On Monday, July 17, 2017 at 1:14:09 PM UTC-4, Bruce wrote:
replying to bob, Bruce wrote:
How should I cap off to remove one of the wires in conduit not be used coming
out from my hot tubs junction box that is separate from the outside electrical
panel?


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Without seeing it and/or knowing more, impossible to answer. Capping
off and removing a wire from a conduit are two different things.
If it's an unused wire coming into a junction box, putting an appropriate
size wire nut on it or electrical tape would cap it off.