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I just installed a new power socket (instead of an old one) for the first time. I plugged in a light lamp and it seemed to work OK. But the socket should be used with much heavier instruments (kitchen ovens). So, I want to make sure that it is really installed correctly, so that no accidents happen when I plug in the ovens.

Is there a safe way to check in advance that the socket is installed correctly?

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1 Answer 1

There are small plug-in devices with LED indicators that you plug into the socket; you can probably get one at a hardware store. The LED lights will indicate any wiring problems such as lack of ground, or confirm proper installation.

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It's true that the plug-in device will detect many common miswiring problems (but not a swapped ground/neutral), it won't tell him if the outlet is safe for use with a high-current device like a plug in oven - a loose screw terminal could show up as Ok with the outlet tester, but still be a hazard if high current causes it to heat up. I think the only way to be sure is to follow best practices when wiring the outlet -- even a resistance check may not show a fault initially, but it could get worse over time. –  Johnny Mar 11 at 16:46

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