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NOTE: This is an unformatted excerpt from our online fire protection training library.

NEC Requirements

Helpful Hint

The fact that a circuit operates at 12 volts or 24 volts and is protected by a 3 amp fuse does not necessarily mean that the circuit is power-limited. If the circuit is not marked "POWER-LIMITED" on the control unit termination strip to which the circuit is connected, or is not indicated on the control unit wiring diagram, it must be assumed that the circuits are non-power-limited. If a circuit is not specifically power-limited, installation of the circuit must meet the requirements for non-power-limited circuits.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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