Should I install a 400 amp or 200 amp service panel?
2012年5月20日 · 205 posts · Joined 2010. #25 · May 21, 2012. Don't do it. A 200 and/or 400 amp panel can be run from the same transformer. The service wire is the only difference. 200 they'll probably run #2, for the 400 they'll probably run 2/0. The same 10 kva tub and up, will pump either and do it all day long for years to come.
400A service with 2x200A panels - Electrician Talk
2019年1月13日 · Leon County requires a 400A meter base (2 parallel sets of feeders, 3/0 copper or 4/0 aluminum), with 2-200A main breakers serving 2-200A MLO panels. The City of Tallahassee requires a 400A meter base with internal 400A breaker/means of disconnect, with 500MCM cable feeding panel 1 with double lugs to feed through to panel 2, both panels with ...
400 Amp Service with 2 200 Amp Panels - DIY Home Improvement …
2016年3月7日 · 26 posts · Joined 2016. #1 · Mar 7, 2016. I'm preparing to build a new home that will have 400 Amp service with a main 200 Amp panel and a 200 Amp sub-panel. The home is a long ranch so the main will feed 4 bedrooms, 2 full baths, laundry room and exterior. The sub-panel will be 100' from the main and will feed the kitchen, great room, 1/2 ...
Wire size for 400 Amp 3 phase service - Electrician Talk
2019年4月8日 · 600AL is 340 amp conductor. Using 600AL on a service with single main 400 amp OCPD is noncompliant even using the "round up" rule as 350 amp OCPD's are available. A person needs to select a conductor size with an ampacity past 350 amps to be able to select the next size up 400 amp OCPD assuming the calculated load is less than the conductor ...
400-amp service - Electrician Talk
2009年2月3日 · A 400 amp meter pan with 2, 4/0 service cables feeding 2 200 amp panels. This does not constitute a 400 amp service in parallel. Parallel conductors must be terminated in the same manner at both ends! you would have to bring both service cables into a trough, bug them and then feed each 200 amp panel from the NOW paralled service conductors.
Understanding NEC 2020 and disconnects required
2021年5月13日 · I'm installing a new 400 amp service for a client. It will have two 200 amp panels feed off the meter, one is in the house, other in the attached new garage. NEC 2020 now requires disconnects to be outside and grouped. My initial thought was to use a meter main combo with two 200 amp breakers.
400 amp service wire sizing - Electrician Talk
2015年1月7日 · 120/240-volt system shall be permitted be sized in accordance. with 31 0.15 (B) (7) (l) through (4). (l) For a service rated 100 through 400 A, the service. conductors supplying the entire load associated with a. one-family dwelling. or the service conductors supplying. the entire load associated with an individual dwelling.
400 amp service feeding two 200 amp panels - DIY Home …
2024年4月30日 · From that breaker requires 4 wires (hot-hot-neutral-EGC) to 200 amp panel on other side of garage wall. Ground rods needed under meter. Same meter on outside of garage to second 200 amp breaker immediately below. Then requires 4 wires incl. EGC for the next 42 feet, feed to main house with 200 amp panel containing third 200 amp breaker at top.
400 Amp Service with Two 200 Amp Disconnects...Is my...
2023年3月14日 · I'm finishing up installation of a main, 400 Amp Meter service that has two 200 Amp panel disconnects (one on each side of the meter). I've installed the service wire from the weather-head down to the top (line) of the meter and then have run the wires (double tapped) from the bottom of the meter (load) out to each of the two 200 Amp disconnects.
400 amp service 2 panel - Electrician Talk
2012年1月1日 · 408.54 Maximum Number of Overcurrent Devices. A panelboard shall be provided with physical means to prevent the. installation of more overcurrent devices than that number for. which the panelboard was designed, rated, and listed. For the purposes of this section, a 2-pole circuit breaker.