Originally Posted by drewhart
i have a hot wire that ran to a switch that i want to power with a new wire coming down from the attic. what should i do with old wire. its hot and it's on a ciruit shared with other outlets. can i just cut it, tape the end and leave it in the wall?
Nope, you can terminate it in the box that you are using for the switch.
Or you can disconnect it at both ends and leave it dead in the wall tagged with "abandoned in place"
You might burn your house down the way you suggested...