How To Wire A Combination Two Switch. It looks like the black wire is an ungrounded (hot) conductor. Resources: How to wire GFCI combo.
Setting up an interior light, a speaker and subwoofer combination or a bank of LEDs always requires a switch to turn them on or off. The most important commonality between these two line switches and ALL other line switches, is that you NEVER CUT THE NEUTRAL WIRE. Unfortunately, some of them are simply wrong.
From the wall I have a simple white, black and ground wire.
Note: If you are installing a new outlet or Add the black wire to the under-sink outlet to the switch, install it in the new two gang box, alongside the GFCI, and put a new cover plate on.
You don't need to be an electrician to wire a light switch-you just need to have a few When wiring a switch, there are two scenarios: You're connecting two feeds (one power, one to the fixture) or one. Learn how to install a double switch or combination two switches. Setting up an interior light, a speaker and subwoofer combination or a bank of LEDs always requires a switch to turn them on or off.