Pick your answer from:
[1]. Refer to the wiring instructions, too, to see what procedure would be best for the job. Use a utility knife to cut away any rust or fat.
[2]. The energy going to a switch is nothing to scoff at, and it can cause serious damage if you come in contact with it. You should still wear gloves and grounded, rubber soled shoes in order to be safe while working.
[3]. Do not leave any light on any bulbs when wiring a double switch. Even if it's a shut-off switch, you should still keep your lights off unless you plan to work indoors.
[4]. Change access to the room using your pvc meter. You can find the electrical access to the room by going to your meters.Choose from options above and answer: What most naturally follows?

How to wire a double switch
Cut the power to the room you're working in.
Head to your circuit breaker and turn off the flow of electricity in the room you are working. Usually the correct circuit is labeled, but if it is not you should turn off all the power in order to be safe.
Answer:
[2].