(quoted from post at 15:53:33 07/24/13) Because a rod driven into soil, in a fault situation ,with no path for the fault to travel back to the panel the feed is from ,can't always operate the breaker. Now the circuit dumps amerage into the soil in the out building area. This can possibly kill a child playing on the soil or a dog laying there. I can't say I can remember an NEC where it was okay to only have a ground rod . [/b][/b]The soil is not a grounding path and a ground rod is only supplemental according to the code. There is an article number which states soil can't be the only path and it is quite an older article [ although I don't have the article number].
(quoted from post at 14:58:31 07/25/13) Have to agree, reading it sure reminds me of reading one of my legal statute books grrrrrrrrrrrr I HONESTLY cant say which is worse or harder to understand!!!!!! So many this and that and subject to and exceptions. As you sparkies know the Illustrated Handbooks with all the pictures and illustrations SURE DO HELP. What helps is to understand their precise techy terms and fairly detailed specific definitions. Thats why I spell out and emphasize precise terms such as GroundING Conductors and GrounDED Conductor and UnGrounDED Conductor and GroundING Electrodes etc etc which yall understand but may confue non sparkies BUT I CANT HELP MYSELF the curse of being BOTH an engineer and attorney I reckon grrrrrrrrr
Best wishes, sorry for boring the non sparkies
John T
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