Relay-controlled emergency lanterns have an internal storage battery that is maintained in a charged state when normal power is available. According to 46 CFR, Subchapter J (Electrical Engineering), upon a loss of normal power, what is the minimum time the internal battery should be capable of providing light?
Relay-controlled emergency lanterns have an internal storage battery that is maintained in a charged state when normal power is available. According to 46 CFR, Subchapter J (Electrical Engineering), upon a loss of normal power, what is the minimum time the internal battery should be capable of providing light?
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