Power Limited Circuit Cable Form 3

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That makes sense when talking about power limited circuits.

Power limited circuit cable form 3.

If the power source is power limited the circuit is power limited. In class 2 and class 3 systems either the voltage or the current depending upon circuit design is limited to a level that will not cause a fire and under. They are considered to be a special condition other than a normal power circuit. The wiring has to be good enough for the type of circuit.

You can wire class 2 circuits with class 2 cable or any of its substitutes permitted by table 725 61 a depending on the condition of use. Any circuit that is above 30v or 100 va is considered not to be power limited even if there is a protection device like a fuse or circuit breaker. For lv what you are asking about is class 2 power limited circuits which according to the nec means voltages of less than 30 volts and power of less than 100 va. By itself wiring does not show if a circuit is power limited or non power limited.

Wiring is it power limited or non power limited. 3043a multi conductor 300v power limited tray cable. The national electrical code nec class 2 and class 3 covers remote control signaling and power limited circuits covered by chapter 7 in article 725. The nec defines such circuits as that portion of the wiring system between the load side of the overcurrent protection device ocpd or the power limited supply and all connected equipment.

What i am asking about is when power limited is part of the cable description. If the power source isn t limited the circuit is non power limited. This is a 2 pair 16 awg shielded cable from belden.

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