F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 25/04 (2006.01) F21S 8/02 (2006.01) H02G 3/12 (2006.01) H05B 37/00 (2006.01)
Patent
CA 2722298
A thermal insulation detector for a recessed luminaire fixture comprises a luminaire frame, a junction box connected to the frame, a mechanical switch connected to one of said frame and the junction box, the mechanical switch in electrical communication with an electrical circuit, the electrical circuit including a lamp socket, at least a portion of the circuit passing through the junction box the electrical circuit receiving multiple input voltages, an actuation device extending from the mechanical switch, the actuation device being movable responsive to thermal insulation disposed about the luminaire fixture, the actuation device having a first position and a second position deflectable from the first position, the actuation device being deflectable by the insulation to the second position and actuating a switch which opens the electrical circuit inhibiting operation of the luminaire fixture.
O'boyle Michael
Oliveira Kevin
Koninklijke Philips Electronics N.v.
Smart & Biggar
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