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Use wires made specifically for sub panel installations, such as 2-2-2-4 aluminum SER cable for 100 amp sub panels. Connect the wires: Strip the insulation off the wires and connect the hot wires (black or red) to the main lugs in the sub panel.
10 kwi 2021 · I'm running ser wire from my 200 amp main box in my garage to a 100amp service box for tankless water heater. I'm running the cable along the top edge of my garage around a corner about 30ft run total. I was wondering how I need to secure this 2-2-2-4 cable along the top of my garage ceiling?
11 lut 2023 · The appropriate wire gauge for a sub panel dealing with 100-amps is #2 AWG for aluminum cables. However, if you wanted to transfer 50-amps at 150 feet, a thinner wire would suffice. Using a #2 AWG aluminum wire will ensure the proper flow of electricity from the main panel to the sub panel.
15 mar 2023 · That means if your main panel was rated at 100 amp, it could be supplied by a #2 AWG aluminum SER. This size-reduction allowance for service-entrance conductors is intended to accommodate load diversity.
31 sie 2020 · If running SER cable from a main panel to a 100 amp sub panel, why does it seem like everyone uses 2,2,2,4 aluminum SER and not the 1,1,1,3 as per the 75°C column (breaker terminal rating) of 310.15(B)(16).
Aluminum SER cable is primarily used as panel feeder in multiple unit dwellings and for branch circuits. Maximum operating temperature is not to exceed 90°C in wet or dry locations. Voltage rating is 600 volts. CONDUCTORS: • 8000 series aluminum alloy, solid or compact stranded. INSULATION: • Type XHHW-2 cross-linked polyethylene (XLPE) insulation.
24 lip 2017 · Use a 100 amp breaker in the main even if the sub and sub panel breaker are 125 amps. My electrical answers are based on 2017 NEC, you may have local amendments. Location: Coastal South Carolina
