How to extend electrical wire

The answer from Gary was basically correct. If you do use metal, it must be properly grounded. There are plenty of others out there. The junction box MUST remain accessible.

NEVER bury a live junction box. The receptacle in the upper cabinet is a good idea. All ground wires count as multiplied by the largest wire gauge in the box. Devices including switches and receptacles are multiplied by times the largest wire gauge in the box.

Any metal clamps are counted as times the largest wire. When working with electrical, you will run into a situation where someone didn’t leave enough slack inside the electrical box. Turn the wire nuts clockwise over each set of wires. The last step is to run a third ground wire (bare wire ) alongside the two ground wires shown here, and secure those three wires with a wire nut.

The loose end of that third wire is then attached to the inside of the box by means of a screw. Strip about inch of insulation off of the wire you want to extend. Strip an inch of insulation off a wire of similar thickness. Make a thin incision in the insulation along the wire from inch down its length to the end. Extending circuits can can be done successfully by the homeowner, but research and common sense should be used.

In some municipalities or counties, a permit and inspection may be required. Understanding the limitations of wire size and the amount of load placed on a circuit is necessary. You may be able to use a special splice. Don’t let short electrical wires cramp your DIY project. Splice in extra wire in a few seconds using easy push-in connectors.

Insert the bare end of your jumper wire and you’ve got an instant connection. Watch the video at the link below for a basic demonstration of how to lengthen your wires. They need to be accessible. I openned up a wall that was between my foyer and living room which had a switch on it for a recepticle on another wall. The green, and in the case of NM cable, the bare wire , is the ground.

This is a safety wire that carries electricity immediately to ground in case of a short. When running new wiring pay attention to the amp rating for the circuit you are extending. ELECTRIC WIRE AND CABLE CARE. As a busy department head in an industrial plant, you have a lot to worry about on a daily basis.

Practicing some general guidelines for electric wire and cable care not only will extend the life of your cable , but can reduce downtime, decrease safety and non-conformance issues, and increase the overall efficiency of the plant. Yes, you can extend the existing electrical wiring for the 2volt range circuit. Make sure to use the same size type and size cable or the standard equivalent. Leave six inches of cable extending through the boxes and cut away any excess cable.

Step Strip away four inches of the outer sheathing, then strip one inch of insulation off each insulated wire inside, at each end of the electrical cable. Return the circuit breaker for the outlet or room to the ON position and test the extended outlet to make sure it works properly. Use wire tacks to fasten the wire to the wall.

I would attempt to fish the existing cable up into the wall behind the cupboard above the range, and mount either a surface mount junction box, with the existing cable entering through the back of the box, or a flush mount ‘old work’ box mounted in the back of the cupboar whatever scenario is more feasible. What I mean by this is: A cable assembly (in your case) is black - white and ground. The reason is that you have to have all the wiring terminated in the same panel. Discuss Can I extend a cable without putting in a new one? Thread Status: Not open for further replies.

Cut inches of both black and white wires to use as pigtails. Strip the wires ¾ inches from each end. Electrical Forum area at ElectrciansForums. Connect the old black wire, the new black wire and the black pigtail wire together with a wire connector.

Do the same with the white wires. Use the pigtails to reconnect the old receptacle. Wrap the black wire to the gold. Can you extend an ground wire by using a wire nut?

Is electrical tape Ok to fix a wire with a nicked outer layer of insulation?