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Automotive splice 2 wires into 11/7/2024 ![]() You could always try a 'Y' connector, available from any good electrical connector supplier. Tape is very bad! A wire that pulls out will also have arcing problems and start a fire. Re: Splicing two wires into one wire Mechanically and electrically speaking, YES you can insert two wires into one end of a butt connector, either as a merge into one wire out th eother end or simply as a capped connection. If you broke it up and suddenly have 3 black wires, that turns into a real headache.Ĭompetent wire nuts = survives a pull-test without tape. That way you are joining 1 wire to 1 wire, and there’s no confusion which is supply and which is lamp. So I would leave it just that way, don’t disturb the 3-wire splice, and break the 2-wire splice. That’s somewhat redundant, but very harmless (assuming the wire nuts are done competently). Moreso, you have a double pigtail, where the multiple wires join to a short branch wire, then that short wire joins to another short wire. Switches and lamps don’t have dual screws, so you see a lot of use of pigtails to achieve the same effect. Usually space is very restricted and only a short distance of supply wire is available. Not recommending that, just making the point that the dual recep screws, and pigtails, are basically doing the same thing.) installing a vehicle remote starter, it is only two or three +12V power input wires going to one vehicle +12V supply wire. Climb the ladder, flick 3 wire nuts and I’m done. Getting stranded wire onto receptacle screws is fidgety work, and it’s easier to do at a comfy workbench. (Tell you a secret: I don’t use them, I pigtail everything. They have extra screws just for the purpose of making that “onward cable” easier to hook up. You see this all the time in receptacles. In effect, the outlets are “daisy chained”. ![]() then hot+neutral are continued onward to another point-of-use. How does this work? Power (in a cable containing hot and neutral) are brought to a point-of-use (technically that’s called an “outlet” even if it’s a light/switch). You probably know that your house has many more “points of use” (places electricity is used) than it has circuit breakers.
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