Do it right and no need for tape.
I tell guys working under me under me "Tape is for Homeowners"
Meaning if you are an electrician you better not need tape hold the wire nut on or to cover loose strands of conductor.
When I was in trade school the instructor, after checking the work on our project board would grab the wire nuts with lineman pliers and try to rip them off or at least get a conductor to pull out.
You learn quick to make a good splice.
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