2013年8月20日 · Open neutrals and backfeed are causes for many electrical personnel accidents and deaths. Since we recently have discussed open neutrals, I would like to discuss with you …

2009年5月29日 · Hi, We have always used a simple formula for calculating the backfeed of a Solar PV array and the allowable backfeed of the main electrical panel: Max Continuous AC …

2020年6月9日 · What is the maximum amount of solar amperage backfeed allowed on a 200 amp residential service? I've heard conflicting interpretations of the code. Just curious what others …

2017年7月21日 · Thus, I have to use larger than a 40 amp breaker to backfeed into. Unfortunately, most panelboards will only accept a 40 amp breaker max because it's rare to …

2023年8月12日 · The anti-backfeed makes this issue moot. Generally speaking, in the hours from 3 before and after solar noon, I'm supplying (supplementing) the grid except when my AC …

2023年5月26日 · A reverse power relay prevents a solar system from backfeeding the grid, or limits backfeed, or similar functions. I've never had to install a reverse power relay, but I've …

2018年10月15日 · Can someone explain how solar safely backfeeds a panel ? For instance...when you have a dual feed into a panel like utility power and a generator you need …

2010年5月24日 · Recentley I wired a little office buildout and had no power going into the offices, yet was getting a 29 volt backfeed on the neutral of the lighting circuit. I realized this because I …

2014年7月2日 · Hi, A quick question about the technical feasibility of reversing power flow through a GFCI breaker. The situation is for an installation of a pool heater fed from a sub panel in an …

2015年2月25日 · Water heater is one of biggest culprits for this to happen, maybe followed by electric heaters direct controlled by a thermostat. Most other appliances need full 240 volts to …