File:Surge RadioShack 61-2140 testing groundingpolarity 01.jpg
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Outlet tester connected to the Radio Shack 61-2140 Appliance Surge Protector during testing. No indicator lights illuminated because the device failed to pass power.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:01, 28 September 2026 | | 455 × 1,600 (179 KB) | PowerPig (talk | contribs) |
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