How To Wire A 3 Gang Switch Box. Secure switch to single gang box. Make sure ground wire is not touching any screws.
Check more videos about switches: Light Fan LED Switch. Some gang boxes are in locations that do not allow the box to be expanded to add a separate light switch. The following diagram should help you to visualize how to wire up the three switches.
Secure switch to single gang box.
All grounds are tied together and connected to each switch in the box it is in.
The back of the old one looks very different to the new one (see pics), so I can't make sense of how to wire up the new one. This diagram illustrates wiring a GFCI receptacle and light switch in the same outlet box, a common arrangement in a bathroom with limited space. Before you can install your new three-way switch, you'll need to put an electrical box in to accommodate it.
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