Joining Electrical Cables In Walls

Pull cables out of wall use crimps and enclosures not j b.

Joining electrical cables in walls. The best way to strip wires is to use a pair of basic wire strippers. Instead all splices must be contained within an approved junction box or fixture electrical box. Push up into ceiling space crimp joints dont need to be accessable. With the exception of stranded wire which we ll talk about below it s important to make sure the ends of all wires are lined up before twisting on the wire nut connector.

Wire splice connections must be housed inside a covered electrical box known as a junction box. Electrical wires in a building are sometimes joined without twisting wires together. Chase down to new possition. Instead we use special approved connectors.

To do this you must find the location of the wall studs using a stud finder. Electrical splices can never left on their own in a wall or ceiling cavity. Line up the wire ends then tighten electrical caps photo 1. Install the wire connector place the wire nut connector over all of the wires.

Start by marking the desired location for the box on the walls. Wiring splices are made by joining the bare metal ends of wires together. When installing them in finished walls electrical boxes should be located between studs. The alumiconn tm connector shown here is used to splice a copper pigtail wire together with one or two aluminum wires as a step in reducing the fire hazard associated with aluminum electrical wiring.

When splicing insulated wire you have to strip the insulation from the end of the wire to expose the metal core which may be solid or stranded copper. Firstly are your sure they drop from the ceiling secondly i would personally never join a cable that was going to be buried in plaster or cement however thats not to say it cannot be done and be compliant crimp the cables using a decent correct size crimp and correct crimping tool this connection should then be encapsulated with heat shrink. To move an accessory lower on the wall. Sometimes when someone has drilled through it last one was a kitchen fitter who should have known better or sometimes to extend a cable e g.

A splice is the joining of two or more wires by twisting them together. A plastic connector called a wire nut is used to insulate and secure the splice. Use a wire nut size appropriate for the number and gauge of the wires you re using. Run exteneded cables in safe zone to where they need to be dropped to new outlets.