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General Wire Properties

The Construction Monkey Conductor calculator lets you figure out electrical characteristics of wires including the ampacity, circular mills, area, resistance, reactance, impendance, conduit fill, and voltage drop.

Make your selections below and the form will automatically update the values.

Gauge:

Circular Mills:

Diameters

Insulation	Diameter	Area

Copper

Copper Ampacities
Temp Rating	Ampacity

Copper Impedances (per 1000ft)
Conduit Material	Reactance	Resistance	Impedance¹

Maximum Length²
Voltage	Alum	PVC	Steel
120V
208V
277V
480V

Aluminum

Aluminum Ampacities
Temp Rating	Ampacity

Aluminum Impedances (per 1000ft)
Conduit Material	Reactance	Resistance	Impedance¹

Maximum Length²
Voltage	Alum	PVC	Steel
120V
208V
277V
480V

Notes:

¹Calculations based on 0.85 Power Factor

²Based on AC Circuit with 3% Maximum Voltage Drop and load based on 80% of 75°C ampacity rating

Related Calculators

Circtuits/Feeders

Power/Amps/Voltage Feeder/Voltage Drop Motors Transformers

Conduits

Conduit Tables Conduit Fill Tables Conduit Size Selector Duct Bank

Conductors

General Wire Properties Specific Wire Properties Conductor Insulation Tables

Miscellaneous

Box Fill Calculations Optional Residential

Manpower/Productivity

Manpower Projections Productivity Changes Hour Estimator

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No guarantees are made as to the accuracy of the calculation or compliance with local codes. Verify all calculations with a professional engineer. If you find an error, or have a suggestion, please send us an email.