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PCE
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IPC Subgroup
H05B 41/23

for lamps not having an auxiliary starting electrode

Introduced: September 1968

Last revised: January 2006

Full Title

Circuit arrangements or apparatus for igniting or operating discharge lamps > Circuit arrangements > in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC > having no starting switch > for lamps not having an auxiliary starting electrode

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Subclass:
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL

2 direct subcodes

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