![]() Can I come out of the concrete with a bell end and then just run the cable free until it is connected to the top of the panel? The distance may be anywhere from a couple inches to a few feet, depending on where I decide to come in. From NEC 250.122 this requires an 8 CU or 6 Al ground wire as a minimum (or 6CU and 4 Al if you are really running a 110Amp Feeder). that should be fixed immediately smaller and 4 copper for 200 amp services. When my feeder enters my house, does it need to be inside conduit on the interior of the house? The panel is in the basement, and I plan on coming either through or over the concrete wall and then down to the top of the panel. In most homes the grounding jumper wire side of the water meter using pipe. Generally, a 2/0 copper wire is ideal for a 200-amp service that’s below the ground. I understand that this may not be the standard way of doing things, but I ran cable to my barn this way and it worked great. Southwire 28828228 100 12/2 with ground Romex brand SIMpull residential indoor electricial wire type NM-B Yellow. Looking at the AWG wire chart, you will need an even bigger than 0000 AWG wire for 200 amps. ![]() In the case of 200 amps breakers, this means you will need a wire with at least 250A ampacity to connect a 200 amp service. One of the criteria you need to fulfill is figuring out what size wire for 200 amp service underground. I will actually lay out the cable, slide one piece of conduit to the center, and then slide conduit from each end and glue them with the wire already run. (NEC 220-2) This is known as NEC 80 requirement for wire sizing. JWritten by Edwin Jones / Fact checked by Andrew Wright Running a 200-amp wire from a service panel through a conduit that’s below the ground can be a tricky challenge. ![]() Also, I wouldn't even attempt to pull the cable through that conduit. The minimum size of grounding conductors for 200 amp circuit protection should only be 6 copper or (4) aluminum, according to NEC Article 250. ![]() 2) In house with copper water pipes install system grounding conductor in 200 A combination panel by running insulated green wire to copper water pipe (before water meter) and attach using an appropriate connector. Did i really pay premium? My run is 120', and at $5.25 for 10' of conduit, I decided to pay roughly $65 for that extra protection. Neutral lug is bonded to ground bar in 200 A combination panel. Bonding for 200 amp 4 copper Grounding Electrode 200 amp min. I am not sure how to use the reply feature, so this is my reply to CausalJoe: The 4/0, 4/0, 2/0 URD only cost me $2.15 per foot, and the #4 USE will cost me less than $0.50 per foot. Service wire ampacity or size Panel size Main breaker size. ![]()
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