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IPC Main Group
H02J 9/00

Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY

Related Keywords

electric stand-by supply arrangements for EMERGENCIESSTAND-BY arrangements for electric supply

2 direct subcodes

Child Classifications

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  • H02J 9/02 in which an auxiliary distribution system and its associated lamps are brought into service