"Ed Pawlowski" wrote in message
...

"Jim Beaver" wrote in message

The power cords, plugs, and receptacles all seem cool. So I'm wondering:
does this sound like an overloading problem, or more likely some sort of
simple harmonic vibration? Am I in danger of fire, if everything I can
get to seems cool?

I'd say it is probably a harmonic vibration. How hard is it to disconnect
the timer? Just take one wire off.

I can unplug it. But it's outside in the rain, so I've been nervous. Also,
doing so deletes the various sector sprinkler timing, a nuisance even bigger
than the hum...IF the hum is safe.

Thanks.

Jim Beaver