Great information, but since galvanized ground rods are not required to be listed, whats the big deal?
In the past there was no specification for UL to test to. Galvan pioneered the specification with UL and received the first UL Listing for a galvanized rod in April of this year. UL has been a standard for copper clad rods and accessories for over 50 years. • The purpose for pursuing this standard and listing was to establish a minimum national standard for hot-dip galvanized ground rods. In the past some galvanized ground rods were 7 1/2 feet long, diameters ranging from 0.520 to 0.614 (not 0.625 minimum), steel cores from mesh quality steel which often mushrooms during the driving process, no chamfer (difficult to install the clamp after driving rod due to mushrooming of top end of rod), and often no conical point (sometimes a lancer point which can result in safety issues due to sharp edges). What technical reasons are there for someone use a UL listed galvanized ground rod as opposed to a non-listed rod? • Paragraph 250.52.A.5 of the 2002 issue of the NEC Code states that if a galv
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