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  1. Should I use SER or URD cable for a 100 amp sub-panel?

    Jul 10, 2020 · The sub panel will be 100amp. I have a 180' run and have buried 1-1/2" sch40 conduit. I'm planning on using 1/O alum wire, but can't figure out if I need to use "SER" cable ( …

  2. What Wire Size for 100amp Subpanel - Home Improvement Stack …

    Feb 23, 2023 · Loads on subpanel: 100amp breaker at main. Subpanel will power yard lights, bbq island, and workshop/shed (160sq ft with basic contractors table saw, drill press, etc.).

  3. What size wire do I need for a 100amp underground 300 ft run?

    0 I want to put in a 100amp subpanel in my garage. The run will be underground and 300ft long. I have a Siemens panel with breakers rated at 60/75 deg C. What is the proper wire size I …

  4. How do I properly size the ground wire for a subpanel?

    Oct 12, 2020 · What is the general rule for sizing ground wire relative to the conductors? I know I saw this somewhere on here, but I cannot find it. I'm running aluminum (#1 AWG aluminum) to …

  5. electrical - Ground size for 100 amp subpanel 200ft away - Home ...

    Sep 1, 2025 · I would like to install a 120/240 volt 100 amp subpanel on a detached garage that is about 200 ft away. I have read that one should strive for a voltage drop of less than 3% and …

  6. Can I connect a 100A subpanel to a 100A main panel?

    Jan 16, 2018 · 4 I currently have a 100amp main service box but it is all full and some are even doubled up.I'm wondering if i can hook up a 100amp subpanel off of it? Certainly, that is what …

  7. Running ser cable from 200amp main to 100 amp sub panel

    Apr 10, 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 …

  8. How to wire a 100 Amp subpanel 300 feet away from main panel

    Jun 8, 2021 · 0 i am currently trying to figure out the best way to feed a 100amp panel fed from a 200amp Main that is 300 feet away from each other. Do you have any suggestions? and yes i …

  9. What wire size do i use for a 100 amp sub panel

    Aug 20, 2023 · I am adding a 100 amp sub panel off the 100 amp main breaker. Don't understand the directions on what wire size to use. I bought the PowerMark Gold 100 Amp 32-Space 32 …

  10. electrical - What wire size for 100 Amp sub panel 100ft in length …

    Feb 5, 2024 · What wire size for 100 Amp sub panel 100ft from the 200 Amp main panel? Do I have to buy all 3 wires (2 hot and 1 neutral) the same size? Or can neutral wire be smaller size?