The most popular type of wiring for cable pull switches is stranded copper wire. Stranded wire is more flexible than solid wire, making it easier to install and less likely to break.

Yes, you will need a special switch box for a cable pull switch. The switch box will need to be deep enough to accommodate the cable pull mechanism.

The amount that a cable pull switch should extend depends on the thickness of the wall or ceiling where it is being installed. Generally, the switch should extend far enough so that the handle can be easily reached, but not so far that it is in danger of being bumped or knocked.

Installing a cable pull switch is not difficult, but it does require some basic electrical knowledge. If you are not comfortable working with electricity, it is best to hire a qualified electrician.