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The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 Volts, 60°C through 90°C (140°F through 194°F), not more than three current-carrying conductors in raceway, cable, or earth (directly buried), based on ambient air temperature of 30°C (86°F). Search Amazon for your Electrical ...
- Circuit Distance Calculator
Note: The results of this calculator are based on conductor...
- Wire Size Calculator
Note: These values are based on allowable ampacities of...
- Wire Ampacity Calculator
Wire Ampacity Calculator Enter the information below to...
- Maximum Allowable Ampacities for Conductors in Raceway, Cable Or Earth (40 C)
The ampacity chart below shows allowable ampacities of...
- Tables
Contains ampacity values for different wire sizes,...
- Voltage Drop Calculator
Voltage - Enter the voltage at the source of the circuit....
- Circuit Distance Calculator
It consists of 2 big chapters. In the 1st Chapter, we focus on the wire gauge chart, denoting diameter (mm), cross-section (mm2), and amperage (maximum allowed amps) for each AWG wire.
NEC provides tables for adjusting allowable ampacities when the ambient temperature deviates from an expected range for the temp rating of the conductor, as well as for number of conductors in raceways or cable trays, when part of the wire is exposed to sun or wind, etc.
In these AWG gauge charts, most common gauge values show the different characteristics of wire such as its diameter, area, ampacity, resistance, current density, fusing current and temperature ratings etc.
Ampacity is the maximum current that a conductor can carry continuously under the conditions of use without exceeding its temperature rating. Cerrowire's ampacity chart helps calculate the load requirement for a circuit.
American wire gauge size calculator and chart.
Ampacity Charts. Wire Size & Amp Ratings. Ampacity is the maximum current that a conductor can carry continuously under the conditions of use without exceeding its temperature rating. Current is measured in amperes or “amps.” You must use the correct size wire for the current (load) requirement of the circuit to prevent the wire from overheating.
