[Amps] Isolation Transformer

[maflynn at att.net]

Glen is dead on!  See the following for the details.  NFPA 70 National Electric Code (NEC) Articles 250 (Grounding) and 800 (Communications Circuits), ANSI/TIA/EIA-607, "Commercial Building Grounding and Bonding Requirements for Telecommunications", and the current versions of the National Fire Protection Association (NFPA) publications NFPA 70E "Electrical Safety Requirements for Employee Workplaces", NFPA 75 "Protection of Electronic Computer/Data Processing Equipment" and NFPA 780 "Lightning Protection Code". 
-------------- Original message from Glen Zook <gzook at yahoo.com>: -------------- 


> No! 
> NFPA NEC (National Electrical Code) specifically states that all ground rods must be connected together. Now there are practical situations, like when the r.f. ground, lightning ground, and electrical ground are widely separated that makes tying them together extremely difficult, if not a practical impossibility. 
> However, whenever possible NFPA NEC should definitely be followed. 
> 
> Glen, K9STH 
> 
> Website: http://k9sth.com 
> 
> 
> --- On Sun, 12/13/09, Jim Carr wrote: 
> The purpose of the ground wire in a 120v/240v branch circuit is to blow the fuse if a hot wire touches the metal cabinet. The RF grounding system is a horse of another color and usually has it's own ground rod seperate from the service 
> main. 
> 
> 
> 
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