Quick question about voltage drop calculations.

Let's say there are 15 amps of continuous current running through a wire.

When calculating voltage drop, should I use 15 amps as my current value, or 15 amps x 1.25 (18.75 amps) in my calculations? Wasn't sure what to do about that continuous duty factor.

Thanks in advance.

Let's say there are 15 amps of continuous current running through a wire.

When calculating voltage drop, should I use 15 amps as my current value, or 15 amps x 1.25 (18.75 amps) in my calculations? Wasn't sure what to do about that continuous duty factor.

Thanks in advance.

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