There is one rod with 6 awg solid. Wa state 3 conduit strap verify grounding requirements with your local grover.
Chapter 36 Services 2015 Michigan Residential Code Upcodes
400 amp service grounding diagram. Because the service neutral conductor provides the effective ground fault current path to the power supply 25024c you dont have to install an equipment grounding conductor within pvc conduit containing service entrance conductors 250142a1 and 35260 ex 2 fig. 200 amp 40 circuit panel 400 amp meter base 2x 4 back supports or 516 molly screws. Ct metering is required for 400 amp and larger single phase 400 amp and larger 120208 three phase and 400 amp and larger 277480 three phase. If i were to update the grounding system wouldnt i need to sink rods for each panel. The effective ground fault current path is intended to help remove dangerous voltage from a ground fault by opening the. Clamps must be approved types.
If with 200 amp main breaker final grade 4 minimum to 6 maximum 24 min. The use of a transocket cts in switchgear see subsections 5 6 and 5 7 or overhead ct metering see subsection 5 8. One ground is required except as noted. I currently have a 400 amp service with two 200 amp service panels the ground is a water pipe connected with what looks like 4 awg stranded. Grounding bonding 2 in our example the service equipment for the home is the 200 amp main breaker panel. 100 amp service 6 copper 200 amp service 4 copper 400 amp service 4 copper notes 1.
Ing electrode and the grounding electrode at the service main shows that some current will flow through the earth but the earth is not part of the effective ground fault current path. However if this 200 amp main breaker panel cant be immediately installed on the. On single family homes 120 240 volt service equipment must have 10000 amp interrupting capacity rating. Looks like i can install two rods and tap to both enclosures 25062 d. Copperweld rods and bronze clamps are recommended. Sweep 3 pvc or rigid steel conduit verify schedule of pvc with your local grover representative.
With ct metering there are several options.
Gallery of 400 Amp Service Grounding Diagram
/Electricalpanel-GettyImages-78480279-59ba895c396e5a0010ee0d5a.jpg)
