On Monday, July 6, 2020 at 1:30:06 PM UTC-5, wrote:
Wiring up switch w/pilot light...

When wiring up a switch that requires another wire back from the load to attach to the switch to power the pilot-light (illuminated when ON).
Do I have to use #14 wire ? Or can I use something smaller like #20 bell wire as long as the jacket is rated at 600v ?

Any help is appreciated.

I like the idea of a switch-loop, I was thinking about it backwards.
So if I run 14-3 from the light and I am adding another gang to the existing gang-box, I could use two wires from the 14-3 romex as the travelers, the 3rd as the load, connect the load to the illumination screw and get the neutral from one of the existing gangs (if its there) ?
Again, if the existing switches are just switch loops, I may not find a neutral ? Would it be over the top to just tie the neutral (for illumination) from the switch to the ground and let it get its neutral that way ?

Thanks