Lights dim - bad ground?

Old 09-27-04, 09:01 AM
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Lights dim - bad ground?

The lights in my new home (built in 1951) will dim and stay dim for a while and then get brighter. I plan on upgrading my 60amp service and rewiring the house, but I'm curious as to why this might be happening. It doesn't coincide with any major appliance turning on as far as I can tell.

One thing I discovered this weekend was that the panel is grounded to an old galvanized water pipe. Copper plumbing is installed in the house, so I suspect the galvanized is just laying up in the ceiling not connected to anything. Could a bad ground be the cause of my light dimming? I plan to ground the panel to the copper cold water pipe tonight.

Old 09-27-04, 09:16 AM
Join Date: Sep 2000
Location: United States
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Dimming lights are not caused by a grounding problem. There are, however, quite a few other possible causes. It's worth a call to your power company to have them check out their stuff first.

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