On 08/11/2016 12:07, Harry Bloomfield wrote:
David pretended :
Thanks. The dimmer switch was mentioned and is a good idea. The only
reservation was that I remember them as a knob with push for on and
off and turn for brightness. Is there such a thing as a "normal"
switch with a variable setting for brightness??

Dimmers are not a very efficient way to run ordinary lamps and
especially halogen lamps. Light output drops markedly as a larger
proportion of the power goes to producing heat. Halogen lamps can be
blackened by the use of a dimmer.


The OP suggested this was a landing light. It may be switched from two
or more positions making the use of a dimmer somewhat more complicated.


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