Question about Electrical Supplies
Generally if there is no ground wire, then grounding is not possible without running new wire to box.
Sometimes, the ground wire is cut back so wire appears to have no ground wire. Then if wire can be pulled out further, the ground wire can be discovered.
Sometimes a nearby outlet or switch box will have ground wire that can be brought to box with no ground.
As general rule with 120Volt outlet, the neutral wire is bonded back to same busbar as ground wire, and then both ground outdoors to copper ground rod.
Do not wire electric motor without ground wire.
Generally other light household appliances such as lamp, or tv, or electric drill have polarized plug with no ground prong, and are double-insulated and there is little risk or need for a grounded plug.
Posted on Oct 31, 2012
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Posted on Jan 02, 2017
A switch is wired using the hot wires only, the black wire. It is simply a break in the line so that when the switch is off no power flows and when the switch is on the power does flow.
You are correct that the middle outlet would have two black wires and two white wires.
If you want to tap into that middle outlet and run power up the wall I suggest you look into some wiremold products. Go to their website, or any home depot and check it out. Get back if you think I can help you further. I am an electrician.
Here is a link that may help you.
Posted on Jun 02, 2009
You cannot replace the switch with a switch/receptacle combo because there is no neutral wire. The black and white that you see are both used as hot wires. One is the Line and the other is the Load.
You have to install another 2 wire cable or replace the existing with a 3-wire cable. A 3-wire cable has a black, red, and white, plus the bare ground wire
Posted on Sep 02, 2009
The wires that you taped up are most likely the wires that feed that outlet and the outlet that isn't working anymore in the bathroom. The proper way to fix your problem would be to do one of the following:
Turn off all electrical power to that circuit. If you are unsure, turn the whole panel off. The inconvenience of resetting your household clocks isn't worth your life.
1) If the screws on your new outlet have spaces for two wires, reattach the disconnected wires under the same screws as the ones feeding the new outlet.
2) Cut yourself a 8" piece of black, white and green or bare copper wire. Disconnect the wires feeding the new outlet. Twist all three wires together, color to color and twist a wirenut on each connection. You should have the three black wires twisted together, the white wires twisted together and the green or bare wires twisted together. Now take the 8" wires and reconnect them to the outlet. Black going to the bronze screw, white going to the silver screw, and green or bare going to the green screw.
Posted on Dec 01, 2009
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