Jay Hanig wrote:

I had another thought: does anybody make a four way wall switch that
would have an indicator light on it that might light when the circuit is
hot? Knowing the power is going to the light would be the same as
knowing the light was left on.

Any 3-way or 4-way switch can be replaced with a "pilot light" or
"illuminated" version. "Illuminated" switches light up when the load is
off. "Pilot light" switches light up when the load is on, and a neutral
is probably required (not always available at a switch box). In both
versions the handle lights up and is not real bright. There needs to be
a load (a switched receptacle with no load won't work). May not work
with some electronic loads (CFLs?). Incandescent lamps and magnetic
ballasts would certainly work. May be the easiest solution.

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bud--