| 摘要 |
PURPOSE:To provide an incandescent lamp dimmer which releases a dimmer unit from the restriction of body dimensions and increase a load control capacity by improving a radiation efficiency and also reduce the size of an operation part required to install a wall. CONSTITUTION:A dimmer unit 2 is arrangedly installed on the back of a ceiling X to which a lighting equipment 1 where an incandescent lamp load L is installed is suspendedly installed. An operation part 3 is arrangedly installed on a wall surface Y and connected to the dimmer unit 6 with a wiring 2 previously wired in the wall surface Y and on the back of the ceiling X. The dimmer unit t contains a phase control circuit, and the operation part 3 is arrangedly installed on the wall surface Y in the same way as general wiring equipment and on the surface thereof, the operating picker 17 of a variable register to set a dimming degree and a light emission diode LED for ON display are exposed. |
