Amperage Stranded Wire Ampacity Chart

Unless specifically permitted in section 240 4 e through g the overcurrent. Use the stayonline wire ampacity chart to look up the rated amperage of different sizes and types of cords. Extension cords light duty 13 amps.

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Low voltage lighting and lamp cords.

Amperage stranded wire ampacity chart. This amp chart highlights the types of cords gauge size range number of cord coductors ampacity of current carrying conductors and much more. Light fixtures lamps lighting circuits. Kitchen bathroom and outdoor receptacles outlets.

The number and type of electrical devices connected to a circuit determine the ampacity requirement of the conductor. Wire ampacity tables ampacities of insulated conductors from nec table 310 16 not more than three conductors in raceway or cable or earth directly buried based on ambient temperature of 30 c 86 f size. Radio electronics computer and communications 7th ed at 20 c de rate with 0 00393 per c wire carrying current capacity sitting in the insulation and conduit will not be at 20 c you will want to derate to at least the temperature rating of your insulation.

Current is measured in amperes or amps. The following chart is a guideline of ampacity or copper wire current carrying capacity following the handbook of electronic tables and formulas for american wire gauge. Load carrying capacities or ampacities in part from reference data for engineers.

The allowable values in the ampacity table are based on temperature alone and do not take voltage drop into consideration. Usually a general purpose house circuit is designed for 20. Table 310 15 b 16 formerly table 310 16 allowable ampacities of insulated copper 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 temperature of 30 c 86 f.

You must use the correct size wire for the current load requirement of the circuit to prevent the wire from overheating. As you might guess the rated ampacities are just a rule of thumb. Amp chart lead wire current carrying capacity ampacity awg size insulated conductor temperature rating awg size at 80 c at 90 c at 105 c at 125 c at 150 c at 200 c 40 0 33 0 49 0 55 0 60 0 71 0 78 40 38 0 47 0 68 0 77.

You must use the correct size wire for the amperage requirement of the circuit to prevent the wire from over heating. Current is measured in amperes or amps. The number and type of electrical devices connected to a circuit determine the amperage requirement of the circuit.

Usually a general purpose house circuit is designed for 20 amps. Aluminum conductors copper clad conductors. 120 240 volt 3 wire single phase service entrance conductors service.

Wire use rated ampacity wire gauge.