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Questions and Answers
What are the components of individual unit equipment for emergency illumination?
What are the components of individual unit equipment for emergency illumination?
rechargeable battery, battery charging means, lighting fixture, and relaying device
What is the minimum capacity requirement for the batteries in emergency illumination equipment?
What is the minimum capacity requirement for the batteries in emergency illumination equipment?
to supply and maintain at not less than 90 percent of the normal battery voltage, the total lamp load for a period of at least 1.5 hours
What is the purpose of the relaying device in emergency illumination equipment?
What is the purpose of the relaying device in emergency illumination equipment?
to energise the lamps automatically upon failure of normal supply
