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Q: Can you connect light fixture wires that are black white and ground to house wires that are red white and ground?
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Do you have to Connect both fixture and house ground wires?

If you're asking whether you have to connect the fixture ground to the house ground, you do. The idea is to connect any exposed portion of a metal fixture to ground, keeping anything you would be able to touch from having a hazardous potential on it. The way to do this is to connect the fixture ground (which is connected to the metal chassis) to the building ground (which comes from your electrical panel).


What if the light fixture has two copper house wires?

If you mean 2 bare copper wires those are the ground wires. Tie them together and then connect the light fixture ground wire which will be green or bare copper to those ground wires.


What are present house wiring colours?

Typical house wiring in the United States is: Green or bare copper = ground White = neutral (Center tap of the feed transformer) Black or red = hot.


Can you convert a hard wired fixture into a plug in type?

If you are taking the fixture down yourself, please be careful. BEFORE ANYTHING ELSE, MAKE SURE THE BREAKER IS TRIPPED ON THE LINE YOU ARE WORKING ON. DO NOT RELY ON A SWITCH BEING IN THE "OFF" POSITION. IN OLD CONSTRUCTION, FIXTURES WERE OFTEN WIRED HOT WITH ONLY A SWITCH LOOP TO THE SWITCH. Ok, you have to start by "reverse engineering" - you have to figure out how the fixture was attached to the wall or ceiling. Once you've got it off the wall or ceiling, but before you take the wires off, look at what you've got. IIf the fixture and the wiring in the house is newer, you'll see a white wire wired to a white wire and a black wire (and maybe a blue one) wired to a black wire. You may see the green, or grounding wire, or it may be just tucked away somewhere. If your fixture is not color coded, but your house wiring is, get some masking tape and a sharpie and label which fixture wire was attached to which color wiring in the house. If your neither your fixture nor your house wiring was color coded, then you're dealing with a very simple fixture and the direction of the flow of current is not such a big deal. Simple light fixtures with simple switches in them can be like that. So after everything is labeled, go ahead and disconnect the wires. If you're not replacing the fixture with something newer, make sure you wire-nut the loose wires in the wall and put a nice, solid, blank cover plate over the box in the wall. Ok, now comes the fun part. TO WIRE UP THE FIXTURE: seriously, the easiest way to do it is to go to a local hardware store, old fixture in hand, and ask somebody to show you what to do. Once you've done it once, you'll find out it's SUPER DUPER EASY and you'll be fine. You can pick up really cool fixtures from Habitat for Humanity "ReStores" which sell salvaged building supplies. If you totally disassemble a light fixture, rub it down a little with steel wool, and spray a few coats of rustoleum on it, you can get some pretty jazzy fixtures for very, very little cost. Take lots of pics with your digital camera while reverse engineering to help you in the reassembly state. This can be fun to do! I've converted some ugly old dark metallic and shiny brass finished fixtures to plug-ins - wall sconces make great reading lamps that way. ANd the ReStore has all kinds of funky globes for the light fixtures for just a few bucks each. Have fun! As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourselfon electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.


What colour wire is negative - green or black?

Most likely your "purple" was once black, and is the negative; to verify, trace "purple" to ground, or touch the leads of an ohmmeter to purple and ground. You should get "0" ohms at the correct wire. This assumes a negative ground.

Related questions

Do you have to Connect both fixture and house ground wires?

If you're asking whether you have to connect the fixture ground to the house ground, you do. The idea is to connect any exposed portion of a metal fixture to ground, keeping anything you would be able to touch from having a hazardous potential on it. The way to do this is to connect the fixture ground (which is connected to the metal chassis) to the building ground (which comes from your electrical panel).


Do you connect both wires on a pull chain switch one to black one to white?

There should be two wires in the box, black and white and possibly a bare one depending on the age of the wiring in the house. The fixture has two screws on the base. One wire goes on each screw. If there are short wires on the fixture, black to black and white to white. If there is a bare ground wire in the house box, it attaches to the body of the fixture. If there is no ground screw on the fixture, do not worry about it.


What if the light fixture has two copper house wires?

If you mean 2 bare copper wires those are the ground wires. Tie them together and then connect the light fixture ground wire which will be green or bare copper to those ground wires.


Can you connect a 3 wire 120 Volt with ground to a 2 wire House wire has black and white and ground Appliance has black red white and ground?

To answer this question fully the type of appliance has to be stated and its voltage.


When connecting a ceiling fan in an old home and the existing light is wired black to white and white to black what should you do?

At that point, you should verify the home wiring; make certain that the black wire IS, in fact, the "hot" wire and that the white wire IS in fact the neutral. If the house is wired properly, connect the new fixture with "black to black and white to white." If you aren't certain that the house wiring was done properly, contact a local electrician to perform the work for you. Connecting a light fixture improperly can be dangerous to you and to anyone who subsequently changes a bulb or otherwise comes in contact with the fixture.


How do you hook up outside light fixture that has black white green to house wiring with only black and white?

If your house wiring is encased in armoured (metal) sheathing back to the panel, then you can secure the green ground to the ground screw in the box. Make sure the armoured cable connector is tight on the box. This should ground the light back to the panel. If you are on "knob & tube" I would suggest thinking about re-wiring the house.


Why does a light turn when you place black to black and white to ground wire?

You don't say "turn off" or turn on". Light should be connected black to black and white to white and ground to ground. If you connect white to ground it will work, but you are then using the ground wire for an unintended purpose. Neutral is bonded to Ground at the panel. Current on ground wire could cause ground loops and may cause GFCI to trip if you have them in your house.


How do you replace dining room light fixture?

If you don't know how to install light fixture, I don't recommend that you do it by yourself. The installation theory is actually very simple - all you need to do is attach fixture on the ceiling (or any other place) and then connect the electrical wires (usually there are two of them). After that it's good to put the light cover over the fixture to improve the appearance.


What do you do if your house phone is disconnected?

Throw it on the ground. That should teach him.


How do you wire light fixture with three wires when there are two house wires?

CAN'T. Must have 3-wire w/ground. [First off, I want to admit that the wording of this answer is skewed. However, if you read the answer you will understand why. It is techinically correct in terms of the NEC. -TJNII] The idiot that wired my house did this. To add insult to injury he connected the hot to one circuit and the neutral to another. I was almost electrocuted because of it. Do it right or don't do it at all. Your negligence may kill someone.


Where does a new fixture's ground wire go when wiring in the ceiling of a 1940s-era house has only two wires and a metal clamp screwed into the wooden joists to bear the weight of the light fixture?

Just tuck it away in the box. Unless you run ground wires throughout the house it won't serve any purpose.


Troubleshooting 40 year old outside wiring to light fixture?

Yes