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Troubleshoot landscape lighting short

Posted by eacollie (My Page) on
Tue, Jul 5, 11 at 20:14

I've had outside landscape lighting for several years without problems. However, I hired a person to spread mulch this year and they left mulch piled on the lights, resulting in a fire. I lost several of my lights as well as plants. I had someone come in and replace the lights and wires. The transformer is plugged into an outside electrical outlet which runs from a gfi outlet in the garage. When I plug in the transformer, the gfi trips; sometimes this takes awhile and sometimes it is immediate.

Now, my question: how do I trace where the problem is...the wiring or the transformer?

I know it is not the gfi because I've plugged the transformer into two gfi's with the same result.

Any help you can provide would be greatly appreciated!

Thanks much.

Follow-Up Postings:

RE: Troubleshoot landscape lighting short

Most likely the connector(s) and/ or wiring is at fault. Check the connections at the lights first to see if there are any exposed bare wires or if the incorrect wire connectors were used.

If there is no problem with any of the connections, the next step is figuring which section of the wire has been compromised with an ohmmeter (circuit assumed unplugged).

RE: Troubleshoot landscape lighting short

Disconnect all the lights from the transformer and then plug it in.

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