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Electrical Question from Mehmet about Electrical Safety


By Dave Rongey - Summary:

While trying to hang a picture on the wall, thanks to the malfunctioning cable finder, the nail went through a power cable. After a cracking sound the breaker tripped. Removed the nail and than the board. There is a blackened hole on the live side of the cable but the wire inside is intact.

Electrical Question About Electrical Safety

Received from Mehmet a Handyman in Holmdel, NJ

Question: While trying to hang a picture on the wall, thanks to the malfunctioning cable finder, the nail went through a power cable. After a cracking sound the breaker tripped. Removed the nail and than the board. There is a blackened hole on the live side of the cable but the wire inside is intact. Reset the breaker and the power to the outlet was restored. Added small load to the socket for some time while monitoring the cable and there was no heat at the point where the nail had struck. Since I cannot trace the cable and it is passing through a very narrow opening it will be very difficult to replace, if it’s not a must. Is there a way to patch the cable at that point, say like installing a junction box at the spot, or do I have to replace the whole cable?
Thanks in advance..

Dave’s Reply:
Thanks for your electrical question.

The Following links will assist you with your electrical question:

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