Wire size awg or kcmil.
1 0 so cable ampacity.
10 amps 7 amps.
14 copper 20a for no.
41 45 71 82 87.
Carrying conductors 1 ampacity of current carrying conductors amperes voltage rating of cord.
Wire ampacity calculator enter the information below to calculate the maximum allowable ampacity for current carrying conductors.
Insulated wire types like thhn thwn 2 xhhw 2 and use 2 rhh rhw 2 have an insulation temperature rating of 90 and any temperature correction factors or ampacity adjustment factors can be applied.
The ampacity chart below shows the allowable ampacities of single insulated electrical wire rated up to and including 2000 volts in free air based on ambient air temperature of 30 c 86 f.
1 0 3 0 211 218 215 221 218 223 2 0 4 0 243 251 246 254 249 256 3 0 250 279 278 283 281 286 283.
2 3 or 4 3 or 4.
0 15 2 m over 50 ft.
0 50 ft.
31 35 91 94 96.
36 40 82 88 91.
Over 15 2 m soow service oil resistant insulation jacket weather resistant 18 awg.
Ampacity mining cables power multiconductors author.
Cme wire and cable inc.
Mining cable power multiconductors ampacity data this page intentionally left blank.
Common applications include wiring for industrial machinery enormous appliances heavy duty tools motors and temporary electrical power and lighting for construction sites.
2 3 or 4 3 or 4.
Wire cable type.
14 awg 12 awg 10 awg 8 awg 6 awg 4 awg 3 awg 2 awg 1 awg 1 0 awg 2 0 awg 3 0 awg 4 0 awg 250 kcmil 300 kcmil 350 kcmil 400 kcmil 500 kcmil 600 kcmil 700 kcmil 750 kcmil 800 kcmil 900 kcmil.
Lighting circuits may be designed for only 15 amps.
96 104.
For example 3 0 awg copper has an ampacity of 200 amps at 75 while 3 0 awg aluminum has an ampacity of 155 amps at 75.
Usually a general purpose house circuit is designed for 20 amps.
Sold by the foot cut to length.
87 95.
26 30 1 00.
Tw uf 75 c 167 f.
1 0 4c type w portable power cable.
78 86.
7 amps 5 6 amps.
Allowable ampacities of conductors in free air.
13 amps 10 amps.
Rhw thhw thw thwn xhhw zw 90 c 194 f.