NEC Residential Electrical Calc

Wiring Method

THHN / EMT Conduit 75°C

Individual wires in pipe. Auto-sizing included.

NM-B (Romex) 60°C

Standard residential cable inside walls.

System Voltage

Breaker Size

Continuous Load (80%)

Limits breaker use to 80% capacity.

Results

BREAKER MODE

SAFE MAX POWER

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Calculated Amps

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Load Type

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Wire Config (THHN/Cu)

Main Wires: -

Ground: -

Insulation -

Detailed Spec

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