I have a dimmer switch with black, green &
red wires. I want to connect this switch to a
halogen lamp that has ground, black & white
wires. Any assistance concerning the above
would be most appreciated.
Green is a ground, both black and red are "hot", and white is neutral.
Does the cable supplying the electricity from the circuit breaker go to
the lamp or to the switch? Or are you trying to install the dimmer *in*
the light fixture? I'll try to answer so it doesn't matter, but the
specifics of how you wire it up are a little different for each case:
A dimmer usually just replaces a switch. Connect the hot (usually black
but might be red) supply wire to the black wire on the dimmer, the red
wire goes to the black wire on the lamp, and the white wire on the lamp
goes to the white supply wire. All the green and bare wires get
connected together. If you use a white wire to run from the red wire of
the dimmer to the black wire of the lamp (commonly done if the supply
wires go a ceiling box for the lamp and a 2 or 3 conductor wire runs
down to the switch box), you really ought to wrap black tape around each
end of the white wire to signify that it is "hot".
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