Installing Electrical Wiring For Post Lights
How to Install and Troubleshoot Wiring For Outdoor Post Lights: Checking the Wiring, Connections to the GFI, Post Light Wiring.
Electrical Wiring For Outdoor Post Lights
Electrical Question: I just replaced the wiring to an outdoor lamp post with a plug in the base.
- It was wired with indoor 12/3 and no GFCI. The power feed comes from a junction box in the basement which supplies the other 2 outdoor plugs around the house.
- There is a line to a switch at the front door upstairs which controls the outdoor lamp.
- The only alteration I made was to add a GFCI plug where the cable exits the house. Downstream to this is the lamp post and plug.
- Now, if I turn the lamp on, the GFCI trips. The lamp and plug share a neutral line. Is this the problem?
I would appreciate your advice.
This electrical wiring question came from: Geoff, a Handyman from London, Ontario, Canada.
Additional Comments: Great website!
Thanks for your electrical wiring question Geoff.
How to Install and Troubleshoot Wiring For Outdoor Post Lights
Skill Level: Intermediate to Advanced.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and install electrical circuit wiring.
Notice: Installing additional electrical circuit wiring should be done with a permit and be inspected.
- Checking the Wiring
I would suggest that you check all your connections and make sure the GFI is mounted properly.
- Connections to the GFI
The wiring of the GFI should have both the power and the neutral wired through the GFI outlet.
- Post Light Wiring
The wiring to the post light should be direct burial cable or wire in conduit.
More about Wiring For Outdoor Post Lights
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This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester, [amazon.com], I use for the detection of Standard Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
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