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1. Two ground rods, or other made electrodes are required per the NEC (250.56)if you forego testing of the first rod. Some power companies require two rods regardless of the resistance of the first rod.
2. The neutral must be bonded to the enclosure at each enclosure it passes through up to and including the service disconnecting means.250.92
3. If this is part of the service raceway, I don't think it is possible to easily bond this correctly.
4. All metal nipples that are part of the service raceway must be properly bonded, regardless of size.250.92(A)(1)
5. Only if the hub is listed for bonding purposes. If memory serves me correctly, a plain Myers hub is not listed for this purpose, you'll need one with a lug on it. Check out
http://www.crouse-hinds.com/ and do a search for "fittingd" followed by a product category search for "Myers Hubs" to see the differance.
6. Maybe. I can see this one causing a few arguements. See 315.(B)(4) to determine if your neutral is a current carrying conductor, then check out table 310-15(B)(2)(a). If it is not a current carrying conductor and depending on the type of conductor insulation, I would say that this is OK (see 240.4(B)
If you're ready to pony up about $30, visit
http://www.iaei.com & buy a copy of "Soares Book On Grounding." This book, in my opinion, is the definitive text on grounding & bonding.
Tom
[This message has been edited by Tom (edited 08-23-2002).]
[This message has been edited by Tom (edited 08-23-2002).]
[This message has been edited by Tom (edited 08-23-2002).]
