![]() These wires are identical to MCM aluminum wires. ![]() The AWG sizes for aluminum electrical wires are shown in the first chart, ranging from 4/0 to 12 AWG. Conclusion Aluminum Wire Ampacity Chart Based On Sizing Aluminum AWG wire size Ampacity at 140 degrees Fahrenheit (60 degrees Celsius) Ampacity at 167 degrees Fahrenheit (75 degrees Celsius) Ampacity at 194 degrees Fahrenheit (90 degrees Celsius) Maximum allowable amps (75 degrees Celsius) 0000 (4/0) AWG 150 Amps 180 Amps 205 Amps 144 Amps 000 (3/0) AWG 130 Amps 155 Amps 175 Amps 124 Amps 00 (2/0) AWG 115 Amps 135 Amps 150 Amps 108 Amps 0 (1/0) AWG 100 Amps 120 Amps 135 Amps 96 Amps 1 AWG 85 Amps 100 Amps 115 Amps 80 Amps 2 AWG 75 Amps 90 Amps 100 Amps 72 Amps 3 AWG 65 Amps 75 Amps 85 Amps 60 Amps 4 AWG 55 Amps 65 Amps 75 Amps 52 Amps 6 AWG 40 Amps 50 Amps 60 Amps 40 Amps 8 AWG 30 Amps 40 Amps 45 Amps 32 Amps 10 AWG 25 Amps 30 Amps 35 Amps 24 Amps 12 AWG 20 Amps 20 Amps 25 Amps 16 Amps How To Read Aluminum Wire Amp Rating Chart.How To Read Aluminum Wire Amp Rating Chart.Aluminum Wire Ampacity Chart Based On Sizing.Where the grounding electrode conductor or bonding jumper connected to a single or multiple concrete-encased electrode(s), as described in Section E3608.1.2, does not extend on to other types of electrodes that require a larger size of conductor, the grounding electrode conductor shall not be required to be larger than 4 AWG copper conductor. ![]() Where the grounding electrode conductor or bonding jumper connected to a single or multiple rod, pipe, or plate electrode(s) or any combination thereof, as described in Section E3608.3, does not extend on to other types of electrodes that require a larger size of conductor, the grounding electrode conductor shall not be required to be larger than 6 AWG copper or 4 AWG aluminum.The supports shall be spaced not more than 24 inches on center and shall be within 12 inches of any enclosure or termination. Where not protected, 6 AWG grounding electrode conductor shall closely follow a structural surface for physical protection.An 8 AWG grounding electrode conductor shall be protected with rigid metal conduit, intermediate metal conduit, rigid polyvinyl chloride (Type PVC) nonmetallic conduit, rigid thermosetting resin (Type RTRC) nonmetallic conduit, electrical metallic tubing or cable armor.Where protected by a ferrous metal raceway, grounding electrode conductors shall be electrically bonded to the ferrous metal raceway at both ends.Where there are no service-entrance conductors, the grounding electrode conductor size shall be determined by the equivalent size of the largest service-entrance conductor required for the load to be served.If multiple sets of service-entrance conductors connect directly to a service drop, set of overhead service conductors, set of underground service conductors, or service lateral, the equivalent size of the largest service-entrance conductor shall be determined by the largest sum of the areas of the corresponding conductors of each set.
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