Ground Wire Size For 200 Amp Service

We just did a church that had a 200 and a 400 disconnect feeding 2 panels on the inside. Ground wire size table source.

How To Install 200 Amp Sub Panel Electrical Projects Diy

We placed 2 ground rods 1 at each disconnect run a 2 0 to each disconnect from the ground rods and connected the ground rods together with 2 0 cadweld.

Ground wire size for 200 amp service. What size ground cable do i need to use for my 200 amp service. National electrical code nec 2014 edition table 250 122. The ground conductor size calculator will calculate the proper ground conductor size for grounding raceways and equipment based on ampere rating or setting of automatic overcurrent protection device in circuit ahead of equipment.

The plans called for a 2 0 to building steel and a 2 0 to water pipe and a 6 to ground rod. Thanks for any help. A 200 amp service panel will require a 4 bare copper ground wire.

By nec guidelines 4 0 is required for three copper conductors carrying 195a in a tray or conduit at not more than 30 deg c ambient with insulation rated for 60 deg c. A bare 3 copper conductor is the minimum size. I ve run 0 4 al cable conductors from the weather head to the meter socket and then to the breaker panel.

What ground size wire should be used on the ufer ground to 200amp service panel. Nfpa 70 national electrical code table 250 95 rating or setting of automatic overcurrent device in circuit ahead of equipment conduit etc. Starting a diy 200 amp service entrance.

Unsure if 4 wire is required with 200 amps. For 215a or less you need to go to 250 000 circular mil wire. Wiring diagram for single phase fm 2s 240v 200 amp 3 wire electric meter duration.

This is based on nec nfpa 70. The building was wood framed and incomming water was plastic. But in 250 66 it says for a 2 0 copper service entrance conductor which you have for the 200 amp service a 4 copper conductor.

The cable i bought came with an al ground wire but the local service company says it must be copper so i must replace it. 250 66 a says the grounding electrode to a single or multiple rods shall not be required to be larger than a 6 copper wire. Hialeah meter 83 907 views.

By code is 6 copper wire excepted from meter to 8ft ground rods.

I Have A Detached Garage Approximately 200ft From The Main Home