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Electricians, question regarding ground bonding of water meter to main panel ?

 
Anonymous Coward
User ID: 30614630
United States
12/27/2012 09:58 PM
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Electricians, question regarding ground bonding of water meter to main panel ?
I have a 200 amp service and the home inspector wants the water meter bonded per NEC 2011

Here is what I am going to do but I have one question.

Use #4 gauge bare wire attached to the Ground bar in the panel using a kenny clamp to bond to the panel as it penetrates the 1/2" knockout (to outside of panel). Feed over to water meter and use 2 brass bonding clamps to "bond Jumper" the water meter (one bonding strap to each side of the water meter disconnect, fishing the wire through the first to maintain a continuous bond to the second)

My question is what do I use to hang or suspend the wire on the rafters or floor joists with ?
Hangers with an isolator or what ?

Any help would be appreciated !
Anonymous Coward (OP)
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United States
12/27/2012 10:02 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
I should have put in the description that this is in a basement and I am trying to find out how to suspend or attached the wire to the ceiling (which is bare floor joists) the run is about 75 feet and has one 90 degree turn.
myeyesropenow42

User ID: 2704006
United States
12/27/2012 10:08 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
You can just staple it to the joist or whatever the material.

Last Edited by myeyesropenow42 on 12/27/2012 10:10 PM
Anonymous Coward (OP)
User ID: 30614630
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12/27/2012 10:12 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
You can just staple it to the joist.
 Quoting: myeyesropenow42


I know, but that looks like a 2nd grader...was looking for something that looks a little more professional ?

Thanks, as I may go this route to keep it cheap-cheap ?

any other suggestions would be greatly appreciated !
Anonymous Coward
User ID: 1383749
United States
12/27/2012 10:20 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
I have a 200 amp service and the home inspector wants the water meter bonded per NEC 2011

Here is what I am going to do but I have one question.

Use #4 gauge bare wire attached to the Ground bar in the panel using a kenny clamp to bond to the panel as it penetrates the 1/2" knockout (to outside of panel). Feed over to water meter and use 2 brass bonding clamps to "bond Jumper" the water meter (one bonding strap to each side of the water meter disconnect, fishing the wire through the first to maintain a continuous bond to the second)

My question is what do I use to hang or suspend the wire on the rafters or floor joists with ?
Hangers with an isolator or what ?

Any help would be appreciated !
 Quoting: Anonymous Coward 30614630


aliens
Anonymous Coward
User ID: 24009796
United States
12/27/2012 11:17 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
Staples would be the cheap route. Use more conductor so you can hide it in the corner where the wall and floor intersect and staple to the wall header plate.
Anonymous Coward (OP)
User ID: 30614630
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12/28/2012 12:15 AM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
Staples would be the cheap route. Use more conductor so you can hide it in the corner where the wall and floor intersect and staple to the wall header plate.
 Quoting: Anonymous Coward 24009796


By NEC 2011 it does not need to be protected (installed in conduit or non-metallic pipe) because it's in the basement and not in a service ally........... Right ?
Anonymous Coward
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United States
12/28/2012 12:38 AM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
Get a roll of #4 armored cable and strap it with one hole straps. Panel to ground rod, ground rod to cold water. One continous run. Ground rod should be 6 feet from the panel. At least that is code for CA.
Anonymous Coward
User ID: 12366656
United States
12/28/2012 01:01 AM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
You can just staple it to the joist.
 Quoting: myeyesropenow42


I know, but that looks like a 2nd grader...was looking for something that looks a little more professional ?

Thanks, as I may go this route to keep it cheap-cheap ?

any other suggestions would be greatly appreciated !
 Quoting: Anonymous Coward 30614630


Well first replace the #4 "wire" with "Cable". Use cable of a thickness found on construction cranes.

Then Heli-arc weld the cable in place at both ends. But to ensure complete saftey first flood the entire basement with water and have the Heli-arc welding done by US Navy Cerified SCUBA Divers in full gear, and done to full Mil-Spec (screw the sissy electrical codes the civvies use)

Then after draining the basement, use tri-legged aluminium towers sunk to the bedrock in holes jack hammered in to the basement floor. These will support the welded cable rigging that was done by your Divers.

Then when all is finished, place Warning high voltage signs at the entrance that look like this:

[link to i.istockimg.com]

Now anything less involved than this is considered a sissy job, and you might as well use electrical zip cord and scotch tape.

:-)
Anonymous Coward
User ID: 12366656
United States
12/28/2012 01:14 AM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
Your basement should look like this:

[link to cdiving.com]
Anonymous Coward
User ID: 23554071
United States
01/09/2013 09:36 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
I have a 200 amp service and the home inspector wants the water meter bonded per NEC 2011

Here is what I am going to do but I have one question.

Use #4 gauge bare wire attached to the Ground bar in the panel using a kenny clamp to bond to the panel as it penetrates the 1/2" knockout (to outside of panel). Feed over to water meter and use 2 brass bonding clamps to "bond Jumper" the water meter (one bonding strap to each side of the water meter disconnect, fishing the wire through the first to maintain a continuous bond to the second)

My question is what do I use to hang or suspend the wire on the rafters or floor joists with ?
Hangers with an isolator or what ?

Any help would be appreciated !
 Quoting: Anonymous Coward 30614630


Just staple it at the highest point in the basement, preferably the header plate. Keep the wire hugging the wall. Neatness counts. Also, when clamping to the water pipe, make sure you clamp the pipe on the street side, not after any couplings.

Good luck. We're all proud of you.
Anonymous Coward
User ID: 22138579
Canada
07/10/2013 07:25 PM
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Re: Electricians, question regarding ground bonding of water meter to main panel ?
I have a 200 amp service and the home inspector wants the water meter bonded per NEC 2011

Here is what I am going to do but I have one question.

Use #4 gauge bare wire attached to the Ground bar in the panel using a kenny clamp to bond to the panel as it penetrates the 1/2" knockout (to outside of panel). Feed over to water meter and use 2 brass bonding clamps to "bond Jumper" the water meter (one bonding strap to each side of the water meter disconnect, fishing the wire through the first to maintain a continuous bond to the second)

My question is what do I use to hang or suspend the wire on the rafters or floor joists with ?
Hangers with an isolator or what ?

Any help would be appreciated !
 Quoting: Anonymous Coward 30614630


#4 sounds like total overkill, should be fine bonding with like a number 10.

Bare is fine, but where ever the wire comes in contact with a dissimilar metal like copper, wrap some duct tape around either one.

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