Someone explain 480 delta 3 phase? - Electrician Talk
Mar 16, 2007 · They have 3 phase delta 480. Not sure if that's the technical name or not. So on A phase to ground you have straight 480V. B phase to ground you have 0V. C phase to ground …
480v 3 phase problem - Electrician Talk
Oct 22, 2015 · I have 277v to ground on all 3 legs. Between A and C phase I have 480v between B and C I have 480v BUT!! Between A and B phase I have like 2 volts. On the line side of the …
Orange, Brown and Yellow Conductor Colors - Electrician Talk
Nov 7, 2024 · I always questioned the brown, orange, yellow on 480 volt 3 phase. I would ask my journeyman, why do we use orange on 480 volt when the code stated orange was for the high …
3 phase 600 amp - Electrician Talk
May 9, 2024 · “request to put in a 600 amp three phase 480 volt service.” “600 Amp Service” is 600 Amps total, 200 Amps per phase. 600 Amps per phase would be a 1800 Amp Service. I’m …
Megging a 3 phase 480 volt motor - Electrician Talk
Jul 9, 2011 · What should the ohms be going from ground to phase on a digital megger? For a good motor should it read around what (400megaohms)? When the motor is bad it should read …
Wire size for 400 Amp 3 phase service - Electrician Talk
Apr 8, 2019 · I am building a 400 amp (class 320) service. Is it permissible to use 500 MCM XHHW aluminum (350 amps rated) since the load is not constant on a service?
208 to 480V 3 phase Step-Up - Electrician Talk
Apr 3, 2013 · The input to the power supply is 480V 3 phase (no neutral, just 3 phases and 1 ground). I want to use this in our facility but we only have 208 3 phase. Short of having a major …
Need 480 Volt 3 phase from 240 1 phase source - Electrician Talk
Jul 2, 2011 · Even the control box requires 480 Volts for its operation. Would it be cost effective to get a VFD unit (s) that have a 240/1 Volt input, with a 480/3 output? Edit to add: I understand …
Proper Testing of a 480v 3 phase induction motor - Electrician Talk
Nov 5, 2016 · Proper Testing of a 480v 3 phase induction motor Jump to Latest 23K views 16 replies 8 participants last post by digidoggie18 Nov 8, 2016 D
480V Delta vs 480V Y - Electrician Talk
Mar 7, 2009 · The best way to create 480 volt Y would be to use the primary of the incoming service and install the appropriate transformer. If that is not possible use (3)-single phase 37 …