Dec 5, 2013 · The line to neutral voltage is 277 and the line-to-line voltage is 480. You can connect either wye or delta loads with the appropriate voltage rating or either 277 or 480V …

Jul 9, 2025 · I work for an OEM. We have a new product that requires 460V with a neutral (277V) to run. If our customers have 480V service will they generally have a neutral tap as well? Or is …

Jul 13, 2021 · 210.8B 3 phase GFCI 150volts or less to ground, So with 480 its business as usual? Do they even make 3 pole 480volt GFCI protection?

Jan 9, 2008 · Why do some EC's refer to 480 volts as 440 or 460 when it is actually 480? EC's seem to use them interchangably. Also, I've seen panelboards marked 440 and 460 volts. Can …

Dec 27, 2006 · Is there any rules of thumb that dictate whether you use a 480/277V vs. 208/120V three phase power system? Obviously the type of construction (industrial, commerical, office, …

Oct 25, 2022 · Any code or functionality issues with using a 480 V rated breaker panel on a 208 V service? Breaker panels have ridiculous lead times right now. I recently found someone that …

May 24, 2011 · 120V is the standard Line to neutral voltage here (for residential customers). From that voltage, a 3 phase system gives a line to line voltage of 208V, and a single phase system …

Jul 23, 2019 · All, I have a question regarding 3 phase power without the use of a neutral. I received a question asking if it is proper to wire a 480v parking lot light using only 2 hot …

Nov 20, 2015 · -480V 3 phase 60HZ Secondary Load - See attachment -120/240V Single phase 60 amp power panel. 4 wire. Transformer will be mounted 1000ft from MCC 480V power …

Mar 1, 2017 · I have a piece of equipment that requires 480 V single phase. Correct me if I am wrong but is this simply a 2 pole breaker regardless if the system is a Wye, Delta corner …