How to connect ground wires in light fixtures

how to connect ground wires in light fixtures

Connect a 2-wire light fixture without ground

How to Connect Ground Wires in Light Fixtures. Step 1. Locate the green ground screw that will either be on the light fixture itself or on the mounting bracket used to hang the light fixture. Step 2. Step 3. Step 4. Step 5. Jan 27,  · The trickiest part of installing a new light fixture is connecting the electrical wires. Connect ground wires for your lights safely and securely with instru.

It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. The instructions supplied with the fixture dont give me an example of how to wire it up if there is an existing ground wire coming from supply. It only tells me to attach the copper wire of the light fixture to the green screw. So I'm curious what I should do with the ground from the supply.

Looking online, my options appear to be this:. So I think since the electrical box is plastic, I should just connect the ground of the supply with the ground of the light fixture with the wire nut. Do I need to connect both of them together with the green grounding screw on the light fixture as well, or would that only be if the electrical box was metal? The instructions for the fixture are only correct for a metal box.

If a metal box how to connect ground wires in light fixtures used, the box itself would should be grounded.

The bracket that holds the light would then be connected to the box, which would make the bracket grounded. Finally the ground wire from the fixture would attach to the bracket, grounding the fixture. In the case of how to install tray ceiling with crown molding plastic box, the box is not grounded.

All ground connections must be made by connecting the ground wires together. So in your situation you are correct, you'll connect the ground from the supply to the ground from the fixture using a twist-on connector or other approved connection. Even plastic electrical boxes may have a metal strip for ground that connects to the metal screw receptors.

Check that first. If not, connect the ground from the panel to the fixture ground with a marette just like the power wires and twist the fixture ground around the green screw. While it isn't critical to connect the ground wire from the fixture to the grounding screw on the mount, it's a good idea. I always make sure this ground wire is shorter than the power wires so that if the how to approve google adsense account fast falls it gets stopped by the ground wire attached to the mount rather than stressing the power wires from the panel.

I would connect both coppers wires together via the green screw. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. How should I connect the ground wire for my light fixture?

Ask Question. Asked 8 years, 6 months ago. Active 3 years ago. Viewed k times. I am replacing a light fixture in my bathroom and have the following setup: The electrical box is plastic The wire coming from supply has black hotwhite neutral and copper how to catch rotom pokemon pearl. The light fixture comes with a metal bracket for attaching to the electrical box that has a green screw The light fixture has black, white and copper wires.

Looking online, my options appear to be this: So I think since the electrical box is plastic, I should just connect the ground of the supply with the ground of the light fixture what does relative abundance tell you the wire nut.

Improve this question. Add a comment. Active Oldest Votes. Improve this answer. Tester Tester k 71 71 gold badges silver badges bronze badges. Brian White Brian White 1, 9 9 silver badges 9 9 bronze badges.

I have never seen a plastic box with a grounding strip. I never really thought much about it and just assumed it was something required. Interesting point about making the ground wire shorter.

The only negative I can see with this is that if all the stress is on the ground, the ground could become disconnected. You now have a dangling fixture with no ground - lets hope it doesn't become energized!

That's a good point. Prevention vs Protection. Can anybody provide an official "code" statement on the better method? In general it is ill-advisable and I believe against code to tie more than one wire to any screw down point not specifically made for multiple junctions. How to connect ground wires in light fixtures accepted approach would be via pigtail as Tester suggests — noybman Sep 21 '17 at Sign up or log in Sign up using Google.

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The bracket that holds the light would then be connected to the box, which would make the bracket grounded. Finally the ground wire from the fixture would attach to the bracket, grounding the fixture. In the case of a plastic box, the box is not grounded. All ground connections must be made by connecting the ground wires together. Aug 07,  · Locate the other wires in the fixture and bring it to the ground screw/ground wire. Use a pair of pliers to form a hook in the wire’s tip. If you’re hooking the wires to a ground screw, hook the wire to the ground screw, hook it on the screw and use your pliers to tighten the knot. May 13,  · Connect the wires as they were in the old fixture. The ground wire is the bare copper wire and should be connected to the green grounding screw in the crossbar. Wire black to black and white to white. Have a helper hold the rest of the fixture while you connect the wires%(42).

Home » DIY » Connect a 2-wire light fixture without ground. Always turn off the power at the breaker or fuse box before you work on electricity. This keeps you safe from potential electric shock. The ground wire is designed to protect you. In the event that the live wire comes loose and touches the light fixture, the ground wire diverts the power and blows the breaker, instead of you feeling an electrical shock when you touch the fixture.

The light works just fine without it, just like in the case of a light switch. But before you just discard it entirely, there may be an alternative way to hook it up. Just leave it disconnected in that case. Assuming the electrical box is metal, take a look at the box. Frequently the metal box itself is grounded. If the Romex wire coming into the box appears to have a metalized surface, that surface probably serves as a ground.

If not, look for a screw hole in the box. You can put a short machine screw in the hole, then connect the ground wire to that screw. Putting a screw in an electrical box can be a pain. I find a magnetized screwdriver helps. Remove one of the long screws that holds the fixture in place. Thread an nut onto the screw. Replace the screw. Wrap the wire around the screw, then cinch the nut down to hold it. What if you find a plastic box with no ground?

You can wrap the wire around one of the screws that holds the fixture on, but the only purpose it serves is to help hold the fixture up while you wire the black hot and white common wires.

Never, ever, EVER connect the ground wire to the white wire. That defeats the purpose. Safety first Most light fixtures have three wires, including a bare or a green ground wire. The purpose of the ground wire The ground wire is designed to protect you.

Examine the metal box Assuming the electrical box is metal, take a look at the box. A plastic box with no ground What if you find a plastic box with no ground? If you liked this post, please share it! Like this: Like Loading Related stories by Dave Farquhar. We use cookies to ensure that we give you the best experience on our website. By continuing to use this site, you indicate you accept these terms.

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4 Replies to “How to connect ground wires in light fixtures”

  1. Omg i fucking love you all these other people are making it so much more complicated. thanks n. n

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