APC SurgeArrest Professional PRO7 (7Z1550L09782) - Revision history

PowerPig at 13:25, 22 October 2026

2026-10-22T13:25:32Z

← Older revision		Revision as of 13:25, 22 October 2026
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	* Model: PRO7		* Model: PRO7
	* Product Family: SurgeArrest Professional		* Product Family: SurgeArrest Professional
	* Part Number: Pending Documentation
	* Serial Number: 7Z1550L09782		* Serial Number: 7Z1550L09782
	* Manufacturing Date: 2015		* Manufacturing Date: 2015
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	* Seven grounded outlets		* Seven grounded outlets
	* Positioned chronologically between the archive's 2008 and 2017 specimens		* Positioned chronologically between the archive's 2008 and 2017 specimens
			* APC suppression board 640-0381A-Z REV06 (©2009)

	== Weight ==		== Weight ==
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	The documented example utilizes a six-foot I-SHENG-manufactured SJT 14/3 power cord incorporating three 14 AWG conductors. Cord markings indicate a 300-volt rating together with VW-1 flame-resistance compliance.		The documented example utilizes a six-foot I-SHENG-manufactured SJT 14/3 power cord incorporating three 14 AWG conductors. Cord markings indicate a 300-volt rating together with VW-1 flame-resistance compliance.

	Power is supplied through a molded right-angle NEMA 5-15P attachment plug. As with ~~several~~ other late-production PRO7 specimens documented by the archive, the plug routes the cord upward when installed on modern receptacles ~~with~~ the grounding ~~contact positioned above the current~~-~~carrying blades~~. Unlike certain earlier documented PRO7 examples, the plug body does not incorporate APC branding.		Power is supplied through a molded right-angle NEMA 5-15P attachment plug. As with other late-production PRO7 specimens documented by the archive, the plug routes the cord upward when installed on modern receptacles utilizing the now-common grounding-pin-up orientation. Unlike certain earlier documented PRO7 examples, the plug body does not incorporate APC branding.

	Unlike several earlier documented PRO7 specimens that incorporate electrical ratings and regulatory information directly into the molded enclosure, the documented example utilizes adhesive regulatory-information labels. The labels incorporate APC by Schneider Electric branding and identify the unit as manufactured in the Philippines.		Unlike several earlier documented PRO7 specimens that incorporate electrical ratings and regulatory information directly into the molded enclosure, the documented example utilizes adhesive regulatory-information labels. The labels incorporate APC by Schneider Electric branding and identify the unit as manufactured in the Philippines.

PowerPig at 13:22, 22 October 2026

2026-10-22T13:22:13Z

← Older revision		Revision as of 13:22, 22 October 2026
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	The APC SurgeArrest Professional PRO7 is a consumer surge protector designed to provide surge suppression and power distribution for computers, peripherals, networking equipment, and other electronic devices.		The APC SurgeArrest Professional PRO7 is a consumer surge protector designed to provide surge suppression and power distribution for computers, peripherals, networking equipment, and other electronic devices.

	Like other members of the PRO7 family, the unit incorporates seven grounded outlets, APC's Protection Working and Site Wiring Fault indicators, ~~an illuminated~~ rocker power switch, and a six-foot power cord.		Like other members of the PRO7 family, the unit incorporates seven grounded outlets, APC's Protection Working and Site Wiring Fault indicators, a rocker power switch, and a six-foot power cord.

	The documented example was manufactured during 2015 and represents one of the latest production examples currently preserved by the OldSurge Archive. It occupies an important position within the documented APC PRO7 timeline by helping bridge the gap between the archive's 2008 and 2017 specimens.		The documented example was manufactured during 2015 and represents one of the latest production examples currently preserved by the OldSurge Archive. It occupies an important position within the documented APC PRO7 timeline by helping bridge the gap between the archive's 2008 and 2017 specimens.
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	* Model: PRO7		* Model: PRO7
	* Device Type: Surge Protector		* Device Type: Surge Protector
	* Country of Origin: Philippines ~~(expected; pending verification)~~		* Country of Origin: Philippines

	* Outlets: 7 grounded outlets		* Outlets: 7 grounded outlets
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	* Conductors: 3 × 14 AWG (2.08 mm²)		* Conductors: 3 × 14 AWG (2.08 mm²)
	* Cord Manufacturer: I-SHENG		* Cord Manufacturer: I-SHENG
			* UL File Number: E68265-C
			* CSA File Number: LL81924

	* Plug Type: NEMA 5-15P		* Plug Type: NEMA 5-15P
	* Plug Style: Right-Angle		* Plug Style: Right-Angle


	* Cord Type: Pending Documentation
	* Conductors: Pending Documentation
	* UL File Number: Pending Documentation
	* CSA File Number: Pending Documentation


	== Notable Characteristics ==		== Notable Characteristics ==
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	File:surge_APC_Pro7_7Z1550L09782_main_01.jpg\|Overall view of the documented APC SurgeArrest Professional PRO7 specimen.		File:surge_APC_Pro7_7Z1550L09782_main_01.jpg\|Overall view of the documented APC SurgeArrest Professional PRO7 specimen.
	File:surge_APC_Pro7_7Z1550L09782_top_logo_01.jpg\|APC branding, Protection Working indicator, Site Wiring Fault indicator, and outlet detail.		File:surge_APC_Pro7_7Z1550L09782_top_logo_01.jpg\|APC branding, Protection Working indicator, Site Wiring Fault indicator, and outlet detail.
	File:surge_APC_Pro7_7Z1550L09782_top_cordentry_01.jpg\|~~Illuminated rocker~~ switch, cord-entry location, and outlet detail.		File:surge_APC_Pro7_7Z1550L09782_top_cordentry_01.jpg\|Rocker switch, cord-entry location, and outlet detail.
	File:surge_APC_Pro7_7Z1550L09782_side_01.jpg\|Side profile showing the enclosure design and outlet arrangement.		File:surge_APC_Pro7_7Z1550L09782_side_01.jpg\|Side profile showing the enclosure design and outlet arrangement.
	File:surge_APC_Pro7_7Z1550L09782_end_01.jpg\|End view showing the rounded enclosure profile and outlet section.		File:surge_APC_Pro7_7Z1550L09782_end_01.jpg\|End view showing the rounded enclosure profile and outlet section.
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	The differing dates are consistent with production of the plastic enclosure components during separate manufacturing runs prior to final assembly. Similar variations have been observed on other documented APC products and reflect normal manufacturing practices rather than conflicting production information.		The differing dates are consistent with production of the plastic enclosure components during separate manufacturing runs prior to final assembly. Similar variations have been observed on other documented APC products and reflect normal manufacturing practices rather than conflicting production information.

			The documented example is notable for preserving independent manufacturing-date evidence from both enclosure halves, helping establish a production timeframe immediately preceding final assembly.

	<gallery mode="packed" heights="250">		<gallery mode="packed" heights="250">
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	The documented example utilizes an unbranded right-angle attachment plug. Earlier documented PRO7 specimens incorporated straight-blade attachment plugs or plugs bearing APC branding, indicating another minor evolution within the product family.		The documented example utilizes an unbranded right-angle attachment plug. Earlier documented PRO7 specimens incorporated straight-blade attachment plugs or plugs bearing APC branding, indicating another minor evolution within the product family.

	The teardown additionally documented stamped markings on the internal grounding-bar assembly, including part number 1890-0002 revision A and the marking "~~DMC~~." Comparable markings have not previously been documented on other archived PRO7 specimens and may represent a supplier, tooling, or component-identification marking. Additional examination of earlier specimens may help determine whether these markings are unique to later production examples or simply escaped notice during earlier documentation efforts.		The documented example weighs exactly the same as both the archive's 2006 and 2017 specimens, suggesting that APC made relatively few structural or material changes during the final decade of PRO7 production.

			The teardown additionally documented stamped markings on the internal grounding-bar assembly, including part number 1890-0002 revision A and the marking "PMC." Comparable markings have not previously been documented on other archived PRO7 specimens and may represent a supplier, tooling, or component-identification marking. Additional examination of earlier specimens may help determine whether these markings are unique to later production examples or simply escaped notice during earlier documentation efforts.

	== Notes ==		== Notes ==
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	* Serial number: 7Z1550L09782.		* Serial number: 7Z1550L09782.
	* Interior molded date wheels indicate September and October 2015 component manufacture.		* Interior molded date wheels indicate September and October 2015 component manufacture.
	* Retains the later PRO7 right-angle attachment-plug design.
	* Serves as an intermediate specimen between the archive's 2008 and 2017 documented examples.
	* Utilizes an I-SHENG-manufactured SJT 14/3 power cord.		* Utilizes an I-SHENG-manufactured SJT 14/3 power cord.
	* Cord markings indicate three 14 AWG (2.08 mm²) conductors and a 300V rating.		* Cord markings indicate three 14 AWG (2.08 mm²) conductors and a 300V rating.
	* ~~Retains the late~~-~~production unbranded right~~-~~angle attachment plug style~~.		* Utilizes APC suppression board 640-0381A-Z REV06 carrying a ©2009 copyright marking.
			* Documents stamped grounding-bar markings not previously noted on archived PRO7 specimens.
			* Serves as an intermediate specimen between the archive's 2008 and 2017 documented examples.

	== Related Articles ==		== Related Articles ==

PowerPig: /* Physical Characteristics */

2026-10-22T13:15:40Z

Physical Characteristics

← Older revision		Revision as of 13:15, 22 October 2026
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	The documented example utilizes APC's long-established two-piece PRO7 enclosure design, consisting of a rounded upper housing containing the surge-suppression electronics and a rectangular lower section supporting seven grounded receptacles.		The documented example utilizes APC's long-established two-piece PRO7 enclosure design, consisting of a rounded upper housing containing the surge-suppression electronics and a rectangular lower section supporting seven grounded receptacles.

	A non-illuminated rocker power switch is positioned near the cord-entry end of the enclosure. Adjacent ~~indicators labeled~~ '''Protection Working''' and '''Site Wiring Fault''' provide visual confirmation of protection status and receptacle-wiring condition.		A non-illuminated rocker power switch is positioned near the cord-entry end of the enclosure. Adjacent '''Protection Working''' and '''Site Wiring Fault''' indicators provide visual confirmation of surge-protection status and receptacle-wiring condition. A resettable circuit breaker is also located at the cord-entry end of the housing.

	~~The cord-entry end additionally incorporates a~~ resettable circuit breaker~~. The documented example utilizes a six-foot power~~ cord ~~terminated in a right~~-~~angle attachment plug without~~ the ~~APC logo~~.

	The enclosure measures approximately 10.25 inches (26.0 cm) long, 4.19 inches (10.6 cm) wide, and 1.75 inches (4.4 cm) tall.		The enclosure measures approximately 10.25 inches (26.0 cm) long, 4.19 inches (10.6 cm) wide, and 1.75 inches (4.4 cm) tall.

	The ~~exterior plastic exhibits light yellowing and minor cosmetic wear consistent with normal long~~-~~term use but remains in above~~-~~average cosmetic condition compared with several earlier documented PRO7 specimens~~. ~~In particular, discoloration is noticeably less pronounced than on the archive's 2006 and 2008 examples.~~		The documented example utilizes a six-foot I-SHENG-manufactured SJT 14/3 power cord incorporating three 14 AWG conductors. Cord markings indicate a 300-volt rating together with VW-1 flame-resistance compliance.

	~~The overall appearance remains highly consistent~~ with ~~other late~~-production members of the PRO7 family and demonstrates APC's continued use of the established SurgeArrest Professional enclosure design despite numerous internal revisions throughout the product line's production history.

	~~Unlike~~ several ~~earlier documented~~ PRO7 specimens ~~that incorporate molded regulatory and ratings information directly into~~ the ~~enclosure~~, the documented ~~example utilizes adhesive labels for this information. The label incorporates~~ APC ~~by Schneider Electric~~ branding.		Power is supplied through a molded right-angle NEMA 5-15P attachment plug. As with several other late-production PRO7 specimens documented by the archive, the plug routes the cord upward when installed on modern receptacles with the grounding contact positioned above the current-carrying blades. Unlike certain earlier documented PRO7 examples, the plug body does not incorporate APC branding.

	~~The~~ documented example utilizes ~~a molded right-angle NEMA 5~~-~~15P attachment plug~~. ~~As with several other late-production PRO7 specimens documented~~ by the ~~archive,~~ the ~~plug routes the cord upward when installed on modern receptacles with the grounding contact positioned above the current-carrying blades~~.		Unlike several earlier documented PRO7 specimens that incorporate electrical ratings and regulatory information directly into the molded enclosure, the documented example utilizes adhesive regulatory-information labels. The labels incorporate APC by Schneider Electric branding and identify the unit as manufactured in the Philippines.

	~~Unlike certain~~ earlier documented PRO7 ~~examples that incorporate APC branding~~ on the ~~attachment plug, the documented example utilizes an unbranded plug body~~.		The exterior plastic exhibits light yellowing and minor cosmetic wear consistent with normal long-term use but remains in above-average cosmetic condition compared with several earlier documented PRO7 specimens. In particular, discoloration is noticeably less pronounced than on the archive's 2006 and 2008 examples.

	The ~~attached six-foot power cord is an I-SHENG-manufactured SJT 14/3 assembly utilizing three 14 AWG conductors. Cord markings indicate a 300-volt rating together~~ with ~~VW-1 flame~~-~~resistance compliance~~.		The overall appearance remains highly consistent with other late-production members of the PRO7 family and demonstrates APC's continued use of the established SurgeArrest Professional enclosure design despite numerous internal revisions throughout the product line's production history.

	== Photographs ==		== Photographs ==

PowerPig: /* Functional Testing */

2026-10-22T13:14:26Z

Functional Testing

← Older revision		Revision as of 13:14, 22 October 2026
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	The documented example was tested for basic electrical operation, indicator functionality, and outlet wiring integrity.		The documented example was tested for basic electrical operation, indicator functionality, and outlet wiring integrity.

	When connected to a properly wired receptacle and switched on, the green Protection Working indicator illuminated as intended~~. The~~ red Site Wiring Fault indicator remained unlit~~, indicating that no wiring faults were detected at the supply receptacle~~.		When connected to a properly wired receptacle and switched on, the green '''Protection Working''' indicator illuminated as intended while the red '''Site Wiring Fault''' indicator remained unlit.

	Testing with a receptacle tester confirmed correct hot, neutral, and ground connections at the protected outlets. No open~~-ground~~, open~~-neutral~~, reversed-polarity, or other wiring faults were detected.		Testing with a receptacle tester confirmed correct hot, neutral, and ground connections at the protected outlets. No open grounds, open neutrals, reversed polarity conditions, or other wiring faults were detected.

	The rocker power switch operated normally ~~throughout testing~~ and successfully controlled power to the protected outlets.		The rocker power switch operated normally and successfully controlled power to the protected outlets throughout testing.

	The documented example passed all ~~basic~~ functional testing performed during documentation and remained fully operational at the time of examination.		The documented example passed all functional testing performed during documentation and remained fully operational at the time of examination.

	<gallery mode="packed" heights="250">		<gallery mode="packed" heights="250">

PowerPig: /* Teardown */

2026-10-22T13:10:43Z

Teardown

← Older revision		Revision as of 13:10, 22 October 2026
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	The APC SurgeArrest Professional PRO7 enclosure is secured using multiple Phillips-head screws and can be opened non-destructively.		The APC SurgeArrest Professional PRO7 enclosure is secured using multiple Phillips-head screws and can be opened non-destructively.

	Removal of the upper housing revealed an internal construction layout ~~broadly consistent with other late-production PRO7 specimens documented by~~ the archive. The design incorporates a dedicated surge-suppression circuit board, a resettable circuit breaker, rocker power switch, discrete wiring harnesses, and a stamped-metal outlet-contact assembly serving all seven receptacles.		Removal of the upper housing revealed an internal construction layout closely resembling that of the archive's documented 2017 PRO7 specimen. The design incorporates a dedicated surge-suppression circuit board, a resettable circuit breaker, rocker power switch, discrete wiring harnesses, and a stamped-metal outlet-contact assembly serving all seven receptacles.

	~~The outlet assembly consists of multiple stamped contact elements mounted within~~ a molded ~~plastic carrier extending the length of the receptacle section. Power is distributed from the attachment cord~~ through the power switch~~, circuit breaker~~, surge-suppression circuitry, and outlet assembly.		Power enters through a molded strain-relief assembly before passing through the circuit breaker, power switch, surge-suppression circuitry, and outlet-contact assembly. The receptacle section utilizes a long stamped-metal contact carrier extending the length of the enclosure and providing both electrical distribution and mechanical support for the outlet contacts.

	The ~~upper enclosure contains numerous molded support structures~~, ~~outlet guides~~, ~~screw bosses~~, and reinforcement features that help maintain alignment between the receptacle assembly and the external enclosure openings. Interior date-wheel markings incorporated into the housing provide additional manufacturing-date evidence consistent with ~~2015~~ production.		The underside of the surge-suppression circuit board incorporates substantial copper power traces designed to carry full load current to the outlet assembly. Overall construction quality, board mounting, wiring layout, and mechanical design are consistent with other late-production PRO7 specimens preserved by the archive.

	~~Initial examination revealed no evidence of overheating~~, ~~melting~~, ~~arcing~~, ~~cracked~~ components, ~~damaged~~ conductors~~, or other significant signs~~ of ~~electrical failure. Internal wiring and structural components appeared consistent with normal long-term residential use~~.		The surge-suppression assembly utilizes APC circuit board '''640-0381A-Z REV06''' carrying a '''©2009''' copyright marking. The board incorporates multiple metal-oxide varistors (MOVs), a wire-wound suppression inductor, filtering capacitors, indicator circuitry, and associated support components. The MOV network is arranged between line, neutral, and grounding conductors to provide protection against transient overvoltage events appearing between any combination of the three conductors.

	~~Further examination of~~ the ~~surge~~-~~suppression circuit board revealed APC~~'~~s later~~-~~generation suppression design utilizing a circuit board carrying a ©2009 copyright marking. This board generation is also present in the archive~~'~~s 2017 PRO7 specimen~~ and ~~represents~~ the ~~final suppression-board generation currently~~ documented ~~within the product family~~.		The documented example is notable for preserving stamped identifying markings on the internal grounding-bar assembly. The grounding bar is marked '''1890-0002''' together with revision identifier '''A''' and the marking '''PMC'''. The significance of these markings has not been determined, but they may identify a component supplier, tooling source, or internal part number. Comparable markings have not previously been documented on other archived PRO7 specimens.

	Inspection of the lower enclosure revealed a construction layout closely resembling that of the archive's documented 2017 PRO7 specimen. Power from the attachment cord enters through a molded strain-relief assembly before passing through the resettable circuit breaker, rocker switch, and surge-suppression circuitry.		No evidence of overheating, arcing, cracked solder joints, damaged conductors, outlet-contact deterioration, failed MOVs, or other significant electrical damage was observed. Internal components appeared clean and consistent with normal long-term residential use.

	The seven receptacles are served by a long stamped-metal contact assembly mounted within a molded plastic carrier extending nearly the full length of the outlet section. The arrangement provides both electrical distribution and mechanical support for the outlet contacts.

	The underside of the surge-suppression circuit board incorporates substantial copper power traces designed to carry full load current to the outlet assembly. Board mounting, wiring layout, and overall construction quality appear consistent with other late-production PRO7 specimens documented by the archive.

	No evidence of overheating, ~~discolored conductors, damaged outlet contacts~~, cracked solder joints, ~~or other significant internal deterioration was observed. Internal components appeared clean and consistent with normal long-term residential use.~~

	The component side of the surge-suppression assembly contains the primary protection and filtering components used by the PRO7 design. The circuit incorporates multiple metal-oxide varistors (MOVs), a suppression inductor, capacitive filtering components, indicator circuitry, and associated support components.

	Board markings identify the assembly as APC part number '''640-0381A-Z REV06''' carrying a '''©2009''' copyright marking. This board generation is also present in the archive's 2017 PRO7 specimen and presently represents the latest suppression-board design documented within the product family.

	The suppression network utilizes multiple MOVs arranged between line, neutral, and grounding conductors. This arrangement provides protection against transient overvoltage events appearing between any combination of the three conductors.

	A substantial wire-wound inductor is incorporated into the surge-suppression circuit and functions as part of the filtering network. The overall design is consistent with APC's long-established approach of combining MOV-based surge suppression with additional filtering components.

	The outlet-contact assembly incorporates stamped identifying markings not previously documented on other archived PRO7 specimens. The grounding bar is marked "1890-0002" together with revision identifier "A" and the marking "DMC."

	~~The significance of the DMC marking has not been determined but may identify the component manufacturer, tooling source, or stamping supplier. Likewise~~, ~~the relationship between part number 1890-0002 and APC internal documentation is presently unknown.~~

	~~The presence of these markings demonstrates that at least some~~ outlet-contact assemblies incorporated traceable manufacturing identifiers despite being fully concealed during normal operation. Additional documented PRO7 examples may help determine whether these markings were unique to late-production specimens or simply escaped notice during earlier examinations.

	~~Inspection revealed no swollen components~~, ~~cracked~~ MOVs~~, overheating, arcing~~, or other ~~evidence of~~ electrical ~~failure~~. ~~Component condition~~ appeared consistent with normal long-term residential use.

	<gallery mode="packed" heights="250">		<gallery mode="packed" heights="250">

PowerPig: /* Recall Information */

2026-10-22T13:08:05Z

Recall Information

← Older revision		Revision as of 13:08, 22 October 2026
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	No evidence presently suggests that serial number 7Z1550L09782 falls within the documented recall population.		No evidence presently suggests that serial number 7Z1550L09782 falls within the documented recall population.

	* [[APC SurgeArrest Recall]]		* [[APC SurgeArrest Recall (2013)]]

	== Comparison Notes ==		== Comparison Notes ==

PowerPig: /* Comparison Notes */

2026-10-22T13:07:10Z

Comparison Notes

← Older revision		Revision as of 13:07, 22 October 2026
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	== Comparison Notes ==		== Comparison Notes ==

	The documented example ~~provides~~ an important ~~reference point between~~ the archive's 2008 and 2017 ~~APC PRO7 specimens~~.		The documented example occupies an important position within the archive's APC PRO7 chronology, bridging the gap between the 2008 specimen (4Z0842P07546) and the 2017 specimen (7Z1714L05335).

	Compared with the 2008 specimen ~~(4Z0842P07546)~~, the enclosure ~~appears to exhibit~~ less ~~overall~~ discoloration and may ~~provide insight into the effects of storage conditions versus simple~~ age~~-related yellowing~~.		Compared with the 2008 specimen, the enclosure exhibits noticeably less discoloration despite being only seven years newer. The difference suggests that storage conditions and environmental exposure may have contributed as much to enclosure yellowing as age alone.

	~~Compared with~~ the 2017 specimen ~~(7Z1714L05335), the documented example may help establish whether~~ APC ~~introduced any~~ manufacturing~~, component-sourcing, labeling, or construction changes during~~ the ~~final~~ years ~~of PRO7 production~~.		The documented example utilizes APC suppression board 640-0381A-Z REV06 carrying a ©2009 copyright marking. This is the same suppression-board generation documented in the archive's 2017 specimen and indicates that APC continued manufacturing PRO7 units using the ©2009 design for at least several years.

	~~Additional teardown~~ and weight ~~data may help determine whether APC retained~~ the ~~same ©2009 suppression-board generation throughout the 2015-2017 period~~.		The unit also shares several characteristics with the archive's 2017 specimen, including Philippine manufacture, an I-SHENG-manufactured SJT 14/3 power cord, a right-angle attachment plug, and a documented weight of approximately 1 lb 9.6 oz (726 g). These similarities suggest that relatively few changes were made during the final years of PRO7 production.

	Unlike earlier documented ~~PRO7~~ specimens ~~from 1994, 1996, 1998, and 1999 that incorporate electrical ratings and regulatory information directly into~~ the ~~molded enclosure~~, the documented example utilizes ~~a printed~~ adhesive ~~data~~ label. The ~~serial number remains identified by a separate adhesive label, consistent with other documented PRO7 examples. The regulatory~~ label incorporates APC by Schneider Electric branding.		Unlike earlier documented specimens manufactured during the 1990s, the documented example utilizes an adhesive regulatory-information label rather than molded electrical-rating information. The label incorporates APC by Schneider Electric branding and may reflect revised manufacturing practices adopted during late-production Philippine manufacture.

	The ~~change may reflect revised manufacturing practices adopted during late~~-~~production Philippine manufacture~~.		The documented example utilizes an unbranded right-angle attachment plug. Earlier documented PRO7 specimens incorporated straight-blade attachment plugs or plugs bearing APC branding, indicating another minor evolution within the product family.

	The documented example continues APC's use of the right-angle attachment plug introduced on later PRO7 generations, but differs from some earlier specimens by utilizing an unbranded plug body. Additional documented examples may help establish when APC discontinued molded APC branding on attachment-plug assemblies.		The teardown additionally documented stamped markings on the internal grounding-bar assembly, including part number 1890-0002 revision A and the marking "DMC." Comparable markings have not previously been documented on other archived PRO7 specimens and may represent a supplier, tooling, or component-identification marking. Additional examination of earlier specimens may help determine whether these markings are unique to later production examples or simply escaped notice during earlier documentation efforts.

	~~The documented example continues APC's use of I-SHENG power-cord assemblies previously observed~~ on the ~~archive's 2017 specimen. Earlier documented PRO7 examples utilized cords manufactured by Bon~~-~~Eagle~~, Hi-~~Pro, Chung Kwang,~~ and ~~Baohing, illustrating APC's use of multiple cord suppliers throughout~~ the ~~product family's production history~~.

	~~The documented example is the first archived PRO7 specimen in which stamped identifying~~ markings have been documented on ~~the internal grounding-bar assembly. Earlier teardown photographs do not presently document comparable markings~~, ~~although the components may warrant re-examination during future comparative studies.~~

	~~The documented example utilizes APC suppression board 640~~-~~0381A-Z REV06 carrying a ©2009 copyright~~ marking~~. This is the same suppression-board generation documented in the archive's 2017 PRO7 specimen.~~

	~~Current evidence suggests that APC continued manufacturing PRO7 units utilizing the ©2009 suppression-board generation for at least several years~~. Additional ~~comparison~~ of ~~component values, board revisions, and manufacturing markings~~ may help determine whether ~~APC introduced further changes between 2015 and 2017~~ production.

	== Notes ==		== Notes ==

PowerPig: /* Comparison Notes */

2026-10-22T13:04:37Z

Comparison Notes

← Older revision		Revision as of 13:04, 22 October 2026
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	The documented example continues APC's use of I-SHENG power-cord assemblies previously observed on the archive's 2017 specimen. Earlier documented PRO7 examples utilized cords manufactured by Bon-Eagle, Hi-Pro, Chung Kwang, and Baohing, illustrating APC's use of multiple cord suppliers throughout the product family's production history.		The documented example continues APC's use of I-SHENG power-cord assemblies previously observed on the archive's 2017 specimen. Earlier documented PRO7 examples utilized cords manufactured by Bon-Eagle, Hi-Pro, Chung Kwang, and Baohing, illustrating APC's use of multiple cord suppliers throughout the product family's production history.

			The documented example is the first archived PRO7 specimen in which stamped identifying markings have been documented on the internal grounding-bar assembly. Earlier teardown photographs do not presently document comparable markings, although the components may warrant re-examination during future comparative studies.

	The documented example utilizes APC suppression board 640-0381A-Z REV06 carrying a ©2009 copyright marking. This is the same suppression-board generation documented in the archive's 2017 PRO7 specimen.		The documented example utilizes APC suppression board 640-0381A-Z REV06 carrying a ©2009 copyright marking. This is the same suppression-board generation documented in the archive's 2017 PRO7 specimen.

PowerPig: /* Teardown */

2026-10-22T13:04:17Z

Teardown

← Older revision		Revision as of 13:04, 22 October 2026
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	A substantial wire-wound inductor is incorporated into the surge-suppression circuit and functions as part of the filtering network. The overall design is consistent with APC's long-established approach of combining MOV-based surge suppression with additional filtering components.		A substantial wire-wound inductor is incorporated into the surge-suppression circuit and functions as part of the filtering network. The overall design is consistent with APC's long-established approach of combining MOV-based surge suppression with additional filtering components.

			The outlet-contact assembly incorporates stamped identifying markings not previously documented on other archived PRO7 specimens. The grounding bar is marked "1890-0002" together with revision identifier "A" and the marking "DMC."

			The significance of the DMC marking has not been determined but may identify the component manufacturer, tooling source, or stamping supplier. Likewise, the relationship between part number 1890-0002 and APC internal documentation is presently unknown.

			The presence of these markings demonstrates that at least some outlet-contact assemblies incorporated traceable manufacturing identifiers despite being fully concealed during normal operation. Additional documented PRO7 examples may help determine whether these markings were unique to late-production specimens or simply escaped notice during earlier examinations.

	Inspection revealed no swollen components, cracked MOVs, overheating, arcing, or other evidence of electrical failure. Component condition appeared consistent with normal long-term residential use.		Inspection revealed no swollen components, cracked MOVs, overheating, arcing, or other evidence of electrical failure. Component condition appeared consistent with normal long-term residential use.
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	File:surge_APC_Pro7_7Z1550L09782_teardown_boarddetail_02.jpg\|Suppression inductor and board markings.		File:surge_APC_Pro7_7Z1550L09782_teardown_boarddetail_02.jpg\|Suppression inductor and board markings.
	File:surge_APC_Pro7_7Z1550L09782_teardown_boarddetail_03.jpg\|Metal-oxide varistor (MOV) suppression network.		File:surge_APC_Pro7_7Z1550L09782_teardown_boarddetail_03.jpg\|Metal-oxide varistor (MOV) suppression network.
			File:surge_APC_Pro7_7Z1550L09782_teardown_groundingbarmarkings_01.jpg\|Grounding-bar markings identifying stamped component 1890-0002 revision A.
	</gallery>		</gallery>

PowerPig: /* Comparison Notes */

2026-10-22T13:01:00Z

Comparison Notes

← Older revision		Revision as of 13:01, 22 October 2026
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	The documented example continues APC's use of I-SHENG power-cord assemblies previously observed on the archive's 2017 specimen. Earlier documented PRO7 examples utilized cords manufactured by Bon-Eagle, Hi-Pro, Chung Kwang, and Baohing, illustrating APC's use of multiple cord suppliers throughout the product family's production history.		The documented example continues APC's use of I-SHENG power-cord assemblies previously observed on the archive's 2017 specimen. Earlier documented PRO7 examples utilized cords manufactured by Bon-Eagle, Hi-Pro, Chung Kwang, and Baohing, illustrating APC's use of multiple cord suppliers throughout the product family's production history.

			The documented example utilizes APC suppression board 640-0381A-Z REV06 carrying a ©2009 copyright marking. This is the same suppression-board generation documented in the archive's 2017 PRO7 specimen.

			Current evidence suggests that APC continued manufacturing PRO7 units utilizing the ©2009 suppression-board generation for at least several years. Additional comparison of component values, board revisions, and manufacturing markings may help determine whether APC introduced further changes between 2015 and 2017 production.

	== Notes ==		== Notes ==