Quote:
Originally Posted by The Grizz
I have 3 of these in my house running 8 - 100w exterior light's each around the perimeter of the outside of the house and they work great.
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the exterior lights are regular incandescent bulbs right? flourescent and metal halide lighting systems are inductive loads, when a switch is used in an inductive circuit it is exposed to much higher forces than resistive loads such as incandescent bulbs. When the inductive circuit turns off the magnetic field around the inductor (ballast) collapses and trys to maintain the current that was flowing through it, in doing so large arcs can be seen across the switch, this large arc is extremely damaging to the minimal grade contact in these electronic timers. Is that enough said, or is it too much?