The table below lists the tables offered for reference on this site, as well as a description of each. Many additional tables are in development, and will be added to this site in the near future.

List of Wire Size Tables

Table Description
Maximum Allowable Ampacities for Conductors in Raceway, Cable or Earth (30°C) Contains ampacity values for different wire sizes, insulation, conductor type for conductors in a raceway, cable or burried in Earth with an ambient temperature of 30°C.
Maximum Allowable Ampacities for Conductors in Free Air (30°C) Contains ampacity values for different wire sizes, insulation, conductor type for conductors in open air with an ambient temperature of 30°C.
Maximum Allowable Ampacities for Conductors in Raceway, Cable or Earth (40°C) Contains ampacity values for different wire sizes, insulation, conductor type for conductors in a raceway, cable or burried in Earth with an ambient temperature of 40°C.
Maximum Allowable Ampacities for Conductors in Free Air (40°C) Contains ampacity values for different wire sizes, insulation, conductor type for conductors in open air with an ambient temperature of 40°C.
Wire Size Correction Factors Contains correction factors to multiply maximum ampacity values by for ambient temperatures other than 30°C and more than three current-carrying conductors in a raceway or cable.
FLA, Wire Size and Other Data: Three-Phase AC Motors Full-load amps, wire size, and circuit protection devices for three-phase AC motors.
Full-Load Amps for Three-Phase AC Motors Full-load current data for three-phase AC motors at standard voltages.
Arc Flash Tables Contains Hazard Risk Categories, PPE and general Flash Protection Boundaries for arc flash incident energy levels.
Ground Conductor Size Table Contains recommended ground conductor sizes based on over-current protection devices in circuit.
Maximum Distance Between Conduit Supports Contains the maximum distance between condcuit supports for rigid metallic and non-metallic conduit.