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  1. 400 amp service with 2-200 sub panels | Information by Electrical ...

    Feb 24, 2004 · Re: 400 amp service with 2-200 sub panels Put a 400 amp main breaker panel outside, run two sub panels from there. On in inside, the other to the house. go witha 200 main breaker at the …

  2. 400 amp feed thru panel from panel A to panel A1 needs a Main CB ...

    Mar 27, 2012 · There is a main breaker in the panel on the left, then you are feeding the panel on the right through lugs, Okay, My plans are calling for a Main 400 amp breaker only at the main service , …

  3. 400A PANEL WITH TWO 200A main disconnect 230.71 NEC 2020, so is …

    Aug 21, 2023 · The line diagram shows that the existing main service panel will be replaced with a new 400A split phase (200/200) service panel. The panelboard as shown on the line diagram appears to …

  4. 400amp Service with 2 200amp Panels - Mike Holt's Forum

    Jun 1, 2019 · What is the correct way to do a 400 amp service with 2 200amp panels? Or a 600 amp with 3 200amp main breaker panels? I would use double (or triple) lugs on the meter load terminals.

  5. Feeding 2 panels from one source | Information by Electrical ...

    Jun 24, 2021 · Ugly and more cost but works. 2. Replace 200 amp panels with 400 amp panels and run a 400 amp feeder to each panel. Even more expensive but also works 3. Stick with 200 amp service …

  6. 400 Amp Service at 200 feet, wire sizes and panel configuration

    Sep 2, 2013 · Usually the best and cheapest arrangement in your situation is to use 230.40 exception 2 and use two 200 amp main breaker panels. Note that in this case you would need 250MCM …

  7. One Line diagram and Load Schedule for 400amp residential house

    Apr 24, 2017 · Yes, 2 panels on each floor. Only 2 main breakers in the main panel. 400amp total service. What do you think about the one line diagram? Does it looks correct? We used AL 4/0 4/0 …

  8. 400 amp service w/ (2) 200 amp main breakers | Information by ...

    Oct 12, 2007 · Table 310.15(b)(6) requires 400kcmil for a 400 amp residential service. If the there is not a 400 amp main breaker but rather (2) 200 amp main breakers, handle tied together, is 2/0 allowed …

  9. 400 Amp Disconnect feeding two 200 amp main breaker panel

    Sep 2, 2017 · Hi guys I'm planning to feed two 200 amp main breaker panels from a 400 amp fused disconnect (Main disconnect after the meter provided by the building). If I ran all the wire to the …

  10. Single phase 400 amp service w/2 200amp disconnects

    Apr 6, 2023 · On a recent installation of a single phase 400 amp with standard ringless meter base going to two. 200A disconnects each going to 200 amp main lug panels. The state inspector filled it, …