I pulled a home permit on it, was there, the guy was super, we had very little conversation but I did ask if he would have accepted the 5 ft if I had clamped on top he said yes. Now the one I just did the house pipe was plastic but had incoming city metal, no meter.
#200 amp wire size chart with ground code#
The code compliance will make some sense for a lot of people following this. At the point where my tool met the wire it could care less about a quote only that I fix it and take 10 minutes to work with a couple of my men towards a little understanding. I found a dryer the other day and corrected a faulty bond from 4 to 3 by a handyman type. A motor is grounded thru the supply wire and the parts within bonded by other mechanical connections. Again, grounding, grounded to and bonding are different. Ron asked whats the point, he asked why, he was looking at it becoming energizes thru grounding vs being grounded. got a simple 120/240 I got to the rods etc I was still having my understanding issues and A guru from another forum finally asked me a couple questions and its 10 ft away and I will do better than a lug but weld a clamp to the sucker he says, do not use rods, it don't get no better than 160 ft of casing, you don't want or need suplimental. When I service it and changed out the equipment. I had one "hit" and yes you look at it, plain as day but again MR well installer "doesn't understand" so he does it like he feels. I see one recently where they assume it was a hit to the well and not so, the well was a termination point should have been delivered elsewhere in the sense that, the pipe, the drop pipe and the motor were electrically grounded thru the supply wire but there should really have been another wire from the service to the casing. There is a difference here in grounding and grounding "to". If there is a steel well caseing it is the best you can get. Norcal, Ace, Speedy, Alfred and a couple others here know more about electricity than I ever will and that's a fact. It cant be hidden and a jumper from hot to cold isn't a bad idea and since you are on a well the meter requirements is irrlevent also.īTW and for whats its worth, Most of these guys are way ahead of me, I'm still eating dirt in this regard. I personally would like to see it on a trunk if you are using a branch system but you can have it on any accessable point. Probably a number 10 for circuits to 60A but it is as easy to use a 6 similar to any building bond which is that, 6 for 200 to the steel, any internal piping is the same unless its being used as an electrode, same for the 5 ft rule, irrelevant here. In this case the wire not need be larger than the largest potential circuit connected to it. Should a wire chafe and wear against a water pipe it is grounded. In this case it is NOT and I can repeat it I spose but the reason for this bond is to protect it from becoming energized thru a fault (short circuit or leak) to the pipe from a wire or appliance electrically connected to it. The point is to have the metal water piping grounded. Last edited by Matt Marsh 10-02-2014 at 2:37 PM.Ron, this was the point I was wanting to make, to get the idea across or what the point is or was. If you run a #6 bare copper GEC, you can run it exposed on the surface unless it is subject to severe physical damage (250.64(B). Although the minimum size grounding electrode conductor is typically #8 copper for a 100 amp service (it's actually determined by feeder size, not amperage), the NEC requires that conductors smaller than #6 be physically protected (usually conduit). It is almost always easier and more cost effective to satisfy the NEC requirement by supplementing one ground rod with an additional one (250.53(a)(2). The measurement must be performed with a dedicated ground resistance meter, something that very few contractors have. The only way that you can get by with a single one, is if you can prove by measurement that the ground resistance is 25 ohms or less. If you are using rod type electrodes, you really need to drive two of them, at a minimum of 6' apart. The only exception is if the separate building is fed with just a single branch circuit (2014 NEC 250.32a). Jason, A separate building always requires a grounding electrode system in addition to the equipment grounding conductor that you mention.
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