# 150 Amp Service Ground Wire Size

150 Amp Service Ground Wire Size. Every once in a while, they think their saving money. I am looking for underground wire size needed to run 1200 feet.

Whether it be copper or aluminum, let’s take a look at what size wire you need for. The total may be more than twice the total amperage of the box. National electrical code® (nec®), 2014 edition) table 250.122.

### This Is Based On Nec (Nfpa 70®:

Whether it be copper or aluminum, let’s take a look at what size wire you need for. You might also want to consider sizing up for voltage drop issues. I am looking for underground wire size needed to run 1200 feet.

### Run #4/0 Al For A 150 Amp Service And You May Need A #4 Cu Gec Depending On The Electrode Type.

I would like a 30 amp 240 volt service. For 200 amp service entrance, less than 150′ long, conduit shall be 3″. That seems small so just want to make sure that #8 is a smart decision.

### The Total May Be More Than Twice The Total Amperage Of The Box.

View wire size charts from the list below. The 2014 version allowed you to size the conductors to 83% of the service rating, which usually worked out to about the same as the old table. 150 ampere x 0.83 = 124.5.

### A 100 Amp Sub Panel Wiring Size Requirement Is #4 For Copper Wires And #2 For Aluminum Wires.

For 400 amp service entrance conduit shall be 3″. So if it's a service then the gec is dependent upon the size of the service entrance condcutors. 310.16 lists that #1 thhn can handle 150 amps at 90 degree.

### If You Plan To Run Nm Cable You May Only Use The 60 Degree For That Cable Which Means You Must Use 2/0 Copper (145 Amps May Be Rounded Up To 150) If You Are Running It In Pipe Your Circuit Breaker Lugs, In Most Cases, Are Only Rated At 75 Degree Which Means You.

Let us know how we can improve. Grounding electrode conductor (gec) for 200a is required to be 4awg copper. 150 amp panels are getting harder to find at the blue or orange store and can be only obtained at the supply house at the same price as a 200.