I'm disagreeing with a manager about the length of grounding rods. He's a former small town independent telephone outside plant manager and said they used 4' rods, so if it was good enough for the te
You won't find the NEC online; it's copyrighted, and the publisher, NFPA, which goes to some expense to create the code, would prefer to be paid for their labors. If you're in a business subject to "
_________________________________________________________ Or check your library. They should have it. -- Bill, W6WRT (part-time librarian) QSLs via LoTW ______________________________________________
At 10:30 AM 2/15/04 -0800, Jim Lux wrote: You won't find the NEC online; it's copyrighted, and the publisher, NFPA, which goes to some expense to create the code, would prefer to be paid for their la
That's why we insist on bonding the phone company (and power provider) grounds to ours before they come into the building. Before doing that, we had lots of trouble with lightning coming in through t
Here, it's easy. The zoning and electrical code require 8' ground rods. In the case of the electrical system, depending on conditions they may require up to three 8 foot ground rods separated by 6 fe
Having just looked it up at http://www.nfpa.org/ The latest code is the 2002, with the 2005 due to be issued in Sept 2004. Be aware that many jurisidications adopt some other version as the "official
Jim, Good info here. Question please. If a city Building Department is requiring your antenna tower project to be to code, can you request to study the code from one of their books? Reason I ask is I
I would think so.... They don't have to help you find stuff, but they should certainly have a copy of the code available for inspection (and probably for copying to take away at a "nominal" cost (clo
At what point does one bond the lightning and RF grounds to the utility company's ground? I have read "at the service entrance panel"; does that mean I have to bring a conductor from the lightning/RF
Get the LV grounding guide from the Mike Holt web site.. it covers all this stuff in detail. Clamping lightning grounds is a no-no... exothermic bonding (welding with thermite (as covered in detail o
Umm, I'm pretty sure that exothermic AND mechanical compression bonds are both okay per the NEC. Cheers, Steve K7LXC TOWER TECH - Professional tower services for commercial and amateur 888-833-3104 _
Steve's right.. "...exothermic welding, listed lug, listed pressure connector, or by listed clamp." Must be bonded to any of: - Building or structure grounding electrode system (that would be the UFE
Thanks for all the good info. I do have to have a NV wet stamp on the UST drawings. Their outside contracted PE provides their work to the sales guy at UST who in turn sells it to me for $250.00. At
National Electric Code (NEC) requires 8ft. Of soil coverage for ground rods. Meaning min legnth of 8ft of ground rod. _______________________________________________ See: http://www.mscomputer.com fo
At 03:58 PM 2/17/2004 -0800, Wilson Lui wrote: National Electric Code (NEC) requires 8ft. Of soil coverage for ground rods. Meaning min legnth of 8ft of ground rod. But, the rod can be laid sideways