AskNACHI.org » Pipe instead of ground rod


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  #1  
Old 7/2/09, 8:01 AM
Charles Martz
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Default Pipe instead of ground rod

Can a 1/2 inh plumbing pipe or rebar be used near the seashore instead of a ground rod and what purpose does it serve?
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  #2  
Old 7/3/09, 1:29 AM
Joe Funderburk, CMI's Avatar
Joe Funderburk, CMI Joe Funderburk, CMI is offline
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Default Re: Pipe instead of ground rod

GROUNDING ELECTRODE. A device that establishes an
electrical connection to earth.

E3508.1.4 Rod and pipe electrodes. Rod and pipe electrodes
not less than 8 feet (2438 mm) in length and consisting
of the following materials shall be considered as a
grounding electrode:
1. Electrodes of pipe or conduit shall not be smaller than
trade size 3/4 (metric designator 21) and, where of iron
or steel, shall have the outer surface galvanized or
otherwise metal-coated for corrosion protection.
2. Electrodes of rods of iron or steel shall be at least 5/8
inch (15.9 mm) in diameter. Stainless steel rods less
than 5/8 inch (15.9 mm) in diameter, nonferrous rods
or their equivalent shall be listed and shall be not less
than 1/2 inch (12.7 mm) in diameter.

E3508.1.4.1 Installation. The rod and pipe electrodes
shall be installed such that at least 8 feet (2438 mm) of
length is in contact with the soil. They shall be driven to a
depth of not less than 8 feet (2438 mm) except that,
where rock bottom is encountered, electrodes shall be
driven at an oblique angle not to exceed 45 degrees from
the vertical or shall be buried in a trench that is at least 30
inches (762 mm) deep. The upper end of the electrodes
shall be flush with or below ground level except where
the aboveground end and the grounding electrode conductor
attachment are protected against physical damage.



Joe Funderburk, CMI
Alpha & Omega Home Inspections, LLC
Inspecting Upstate SC & Charlotte Metro, NC
NACHI ID: NACHI05120170
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  #3  
Old 7/3/09, 3:33 AM
James E. Braun, CMI James E. Braun, CMI is offline
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Default Re: Pipe instead of ground rod

You could have just said NO, Joe. LOL
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  #4  
Old 7/4/09, 1:33 PM
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Default Re: Pipe instead of ground rod

Thank you for the information, the last message was really not necessary! If a question is asked just be kind enough to answer it or shut up and mind your business CMI Dude!
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  #5  
Old 7/6/09, 3:41 PM
Paul W. Abernathy's Avatar
Paul W. Abernathy Paul W. Abernathy is offline
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Default Re: Pipe instead of ground rod

Unregistered......he was saying in in fun....he was not snapping on him. Hey Joe...better watch it as You Know Who will say you Cut and Pasted that....lol.....and in the spirit of Cut and Paste..I will do the same....

(5) Rod and Pipe Electrodes. Rod and pipe electrodes
shall not be less than 2.44 m (8 ft) in length and shall
consist of the following materials.

(a) Grounding electrodes of pipe or conduit shall not
be smaller than metric designator 21 (trade size 3⁄4) and,
where of steel, shall have the outer surface galvanized or
otherwise metal-coated for corrosion protection.

(b) Grounding electrodes of stainless steel and copper
or zinc coated steel shall be at least 15.87 mm (5⁄8 in.) in
diameter, unless listed and not less than 12.70 mm (1⁄2 in.)
in diameter.



Paul W. Abernathy,CMI,CEI,CEPE
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