Jeff H

First things first, you need to see if you have all three wires inside the switch box. There should be a black, white and bare copper wire inside the box. If you find these wires inside, YES you can tap off of the switch. If you only find the black wire there, sorry you cannot tap off of it. What ever you do please do me a favor and shut off the circuit breaker to the switch before you do anything. Should you have any problems, E-mail me and I’ll try to help you. jlennh@aol.com.