Inventors:
Elwood D. Bickford - Morris Plains NJ
Joel Shurgan - Westwood NJ
Assignee:
Duro-Test Corporation - North Bergen NJ
International Classification:
H05B 4116
Abstract:
A safe "phantom" lamp structure for replacing a fluorescent lamp in a two-lamp series circuit connected fluorescent fixture which permits the remaining lamp of the two-lamp fixture to operate. The structure includes, in different embodiments, one or more magnetically or thermally actuated switches which must be closed for completion of the phantom lamp circuit and the switches are closed only after connection of both ends of the phantom lamp to the appropriate fixture sockets.