18 2 Cable Amperage

As a guide 14 wire is good for 15 amps 12 wire is good for 20 amps 10 wire is good for 30 amps.

18 2 cable amperage.

View wire size and amp ratings in a new window. The below electrical wire sizing chart shows both the recommended 80 percent wattage load and the absolute maximum 100 percent wattage load for the most common wire gauges. The tables below are intended to be a general guide for wire size and amp ratings. 25 amps 20 amps.

For example a 10 gauge wire is bigger than a 12 gauge wire. Gauges you use 1 2 3 which makes more sense mathematically than double nought. Then divide the total wattage by the voltage of the system 110 or 220 and that will give you the expected current or amps. For the 00 000 0000 etc.

In the american wire gauge awg system wire size diameters can be calculated by applying the formula d awg 005 92 36 awg 39 inch. 2 3 or 4 3 or 4. You must use the correct size wire for the current load requirement of the circuit to prevent the wire from overheating. Current is measured in amperes or amps.

Tw uf 75 c 167 f. Common sizes include 14 12 10 8 6 and 2 gauge wire. The number and type of electrical devices connected to a circuit determine the ampacity requirement of the conductor. The gauge of the wire dictates the amount of current that can safely pass through the electrical wire.

13 amps 10 amps. Rhw thhw thw thwn xhhw zw 90 c 194 f. Wire size and amp ratings. For instance common sizes include 14 12 10 8 6 and 2 gauge wire.

Wire is sized by the american wire gauge awg system. Fep fepb mi rhh rhw 2 sa sis tbs thhn thhw thw 2 thwn 2 use 2 xhh xhhw xhhw 2 zw 2 unless otherwise specifically permitted elsewhere in the nec nfpa70 code the overcurrent protection for conductor types marked with an asterisk shall not exceed 15a for no. 18 amps 15 amps. Larger wires can carry more amperage and wattage than smaller wires.

Awg wire sizes see chart below awg. When a cord has three current carrying conductors there is a decrease in amperage. 60 c 140 f 75 c 167 f awg mm copper. 1 current ratings for up to 1000 v pvc insulated single and multicore wiring cables ambient temperature up to 30 o c values for resistance are based on electrical resistivity for copper 1 724 x 10 8 ω m 0 0174 μω m and electrical resistivity for aluminum 2 65 x 10 8 ω m 0 0265 μω m.

The chart also tells you the recommended. 14 copper 20a for no. The amperage rating of a cord is a function of the wire gauge number of current carrying conductors and length of the cord. Usually a general purpose house circuit is designed for 20.

18 amps 15. 2 3 or 4 3 4 or 5. Electrical current is measured as ampacity. Common us awg wire gauges and amps ratings.