DIMMER SWITCHES

[TERRY]

WHEN FITTING DIMMER SWITCHES TO VARIOUS TYPES OF LAMPS .WHAT IS MEANT BY LEADING EDGE, AND TRAILING EDGE, AND WHAT LAMPS ARE CAN BE USED WITH WHAT DIMMER SWITCHES.

CHEERS TERRY

[Besoeker]

WHEN FITTING DIMMER SWITCHES TO VARIOUS TYPES OF LAMPS .WHAT IS MEANT BY LEADING EDGE, AND TRAILING EDGE, AND WHAT LAMPS ARE CAN BE USED WITH WHAT DIMMER SWITCHES.

CHEERS TERRY

Leading edge does this:
http://i36.photobucket.com/albums/e39/Besoeker/Leadingedge.jpg
Trailing edge does this:
http://i36.photobucket.com/albums/e39/Besoeker/Trailingedge2.jpg
Either will work with incandescents.