400 Amp Service Ground Wire Size. 400 amp 3 phase service: With 31 0.15 (b) (7) (l) through (4).
The proper ground wire is determined based on the size of the main feeder wires. Similarly one may ask, what size wire do i need for 200 amp. (l) for a service rated.
200 Amp Ground Wire Size.
How do you wire a 400 amp residential service? 602580001 quickcable 15' 4 gauge 400 amp rescue clamptoplug cable from www.centurytool.net. This size is required to provide adequate capacity to conduct ground fault currents back to the source.
What Size Neutral Is Needed For A 400 Amp Service?
Up to 25 cash back 1 400 kcm copper or 600 kcm aluminum for the service entrance conductors on a 400 amp service. For a full chart of wire size by amp rating, visit this website. The following definitions are found in article 100 of the nec 2008:
For 200 Amp Services, A #4 Grounding Electrode Conductor (Ground Wire) Is Required.
The ground wire is copper in most homes and is #6 (6 awg) or larger. 400 amp 3 phase service: To make the wire pull easier, i recommend to increase to 3 inch diameter rmc.
The Grounding Electrode Conductor, Gec, Is Connected Between The Service Equipment And The Earth Ground Rod System.
This equates to 355 copper amps and 270 aluminum amps. 400 amp 3 phase service: Or the service conductors supplying.
Parralleled, Ungrounded 480 Volt3 Phase, 3.
(l) for a service rated. With 31 015 b 7 l through 4. 2) minimum of 2 1/2 diameter rigid metal conduit for 400 kcm copper if a riser mast.