200 amp panel with 100 amp breaker | Information by Electrical ...
2014年1月3日 · It says that there must be overcurrent protection that is not greater than the rating of the panelboard. It does not say the OCPD must be equal to the rating of the panelboard. So a 100 amp upstream breaker and a 100 amp feeder can be used to supply a 200 amp panelboard, even if the panelboard has a 200 amp main breaker.
200 amp into 100 amp panel | Information by Electrical …
2007年10月14日 · Retired Electrical Contractor. Oct 14, 2007. #2. sdukette said: Hi folks, I believe I know the correct answer but would appreciate your professional comments. A 200 amp service is run into a 100 amp rated panel and main breaker. The 100 amp breaker is going to limit the amperage going out of the panel, however the panel is only rated for 100amps.
200 amp service, 200 or 100 per leg? | Information by Electrical ...
2009年2月5日 · Im a newbie Im still trying to grasp the whole concept of 220 and have a couple of questions 1. 220v 30 amp breaker will the breaker trip when it reaches 30 amps per leg or 15 amps per leg? 2. 200 amp service Main breaker will it trip when it reaches 200 amps per leg or 100 per leg or some...
Main Breaker Wouldn't reset from Off | Information by Electrical ...
2009年5月10日 · While I was answering a post in another thread, I shut off the main breaker on my Square-D 200 amp homline panel for I believe the first time in 14 years. To my horror, it would not reset and I thought I was going to have to call an electrician . I did manage to get it to reset by holding it in the On position and tapping gently on the case.
Max size sub panel | Information by Electrical Professionals for ...
2009年5月19日 · Use a 100a panel fed from the 200 amp service. Put the larger loads in the service panel and the lighter loads in the 100a panel. 100a panels are available in 30 space. But back to basics you need to do the load calcs. If you really need two 200a panels than maybe the service is too small.
100A main breaker on a 200A service panel. | Information by …
2014年3月11日 · Take Square D QO and Homeline series - both use the same main breaker assemblies in two frame sizes 125 amp max and 225 amp max. If you have a main lug panel chances are the bus is rated either 125 or 225, and it is not all that possible to install too large of a main breaker for the bus. I do believe you can get a 100 amp breaker in the 225 ...
200 amp main breaker in 125amp panel? | Information by Electrical ...
2016年4月23日 · A panel with over 125 amp bus will accept the 100 amp or 125 amp QOM2 mains but will not accept a QOM1 main. So if the main in the OP's situation has a 125 A QOM2 main - a 150, 175, 200 or 225 will physically interchange with it …
Feeding 150 amp panel from 200 | Information by Electrical ...
2019年6月8日 · Just looked at table 310 15 B 16 and realized my wire size numbers are off in my original post since the sub panel will be fed from the main panel and not seeing the entire load of the dwelling unit the wire size would need to increase to 2/0 aluminum for the 125 amp panel and then 3/0 aluminum if a 150 amp sub panel, since table 310 15 B7 can't be applied to a sub panel.
200A GE panel - max size breaker allowed | Information by …
2014年12月30日 · Looking at a 200A GE TM2020 MUF [residential] elect. service main/combo panel. A label inside says the maximum 'branch breaker' permitted is 90A. Do you think this language also applies to 'feeder breakers'? We're installing a subpanel and it's a lot easier getting a 100A breaker than getting a 90A - cheaper also.
200 to 300 amp service | Information by Electrical Professionals for ...
2007年4月25日 · A 150 amp main breaker panel cost more than a 200 amp panel in our area because no one uses a 150 panel. So--- use 1- 200 with this non continuous 400 amp meter base or use this same meter base with a 100 amp main panel and then feed the other 100 amp sub panel from there.