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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).
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.
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.
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.
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.
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).
Connect the black wire from the light fixture to the black house wire, the white wire from the light fixture to the white house wire, and the green wire from the light fixture to the junction box ground wire or directly to the house's grounding system. Make sure to turn off the power before starting any work and follow all safety guidelines.
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.
No, when connecting a pull chain switch, typically the black wire is connected to one terminal of the switch, and the white wire is connected to the other terminal. It's important to follow the wiring instructions provided with the switch to ensure proper installation.
To answer this question fully the type of appliance has to be stated and its voltage.
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.
This happens because the black wire carries the electrical current to power the light, while the white wire provides the return path for the current to flow back to the ground wire. When properly connected, this creates a complete circuit that allows electricity to power the light fixture.
Yes, you can connect the black wire from the appliance to the black wire in the house, the white wire from the appliance to the white wire in the house, and connect the ground wire from the appliance to the ground wire in the house. The red wire in the house can be capped off safely as it is not needed for this appliance.
To wire a two-wire fixture to a three-wire outlet, connect the fixture's black wire to the outlet's black (hot) wire, the fixture's white wire to the outlet's white (neutral) wire, and the fixture's ground wire to the outlet's ground wire or grounding screw. If the outlet has an additional red wire, cap it off with a wire nut as it may not be needed for this connection. Always turn off power before working on electrical wiring.
Turn off the power to the fixture at the circuit breaker. Remove the old fixture by unscrewing and disconnecting wires. Install the new fixture by connecting the wires following the manufacturer's instructions. Secure the new fixture in place and turn the power back on to test it.
To hook up the electrical plug with white, black, and ground wires to the house wires with white, black, red, and ground wires, you must connect the white wire from the plug to the white wire in the house, the black wire from the plug to the black or red wire in the house (check the wiring standard), and the ground wire from the plug to the ground wire in the house. Make sure to turn off power before making any connections and follow proper safety precautions.
Connect the black wire from the new fixture to the red wire in the ceiling box, and connect the white wire from the new fixture to the white wire in the ceiling box. Cap off or tape the red wire in the ceiling box as it is not needed for the new fixture. Always make sure to turn off the power before working on electrical connections.