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Old 12-07-2012, 07:51 PM   #16
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How do I connect a ground wire to the water pipe?


This type of meter requires the jumper.




This type of meter does not require a jumper because removal will not interupt the bonding path.


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Old 12-07-2012, 08:04 PM   #17
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How do I connect a ground wire to the water pipe?


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Thanks. But if the ground is connected on the city side of the meter, what difference would it make if the meter were ever removed?
With the grounding electrode conductor properly clamped to the city side of the meter, problems with neighboring houses' electrical systems won't affect removal of your meter. But a ground fault to a water pipe upstairs in your house could electrocute someone disconnecting the meter if there was no bonding jumper around the meter..
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Old 12-07-2012, 08:12 PM   #18
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How do I connect a ground wire to the water pipe?


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Originally Posted by electures View Post
This type of meter requires the jumper.




This type of meter does not require a jumper because removal will not interupt the bonding path.

""" This type of meter does not require a jumper because removal will not interupt the bonding path. """



Uh, that last meter happens to be the one in my basement, it's a photo I posted earlier today. There are two unions there. If you unscrew the 2 unions and pull out the meter assembly the only thing connecting the piping is air. Last I knew air is not a good conductor.
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Old 12-08-2012, 12:14 PM   #19
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How do I connect a ground wire to the water pipe?


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Originally Posted by TTW View Post
""" This type of meter does not require a jumper because removal will not interupt the bonding path. """



Uh, that last meter happens to be the one in my basement, it's a photo I posted earlier today. There are two unions there. If you unscrew the 2 unions and pull out the meter assembly the only thing connecting the piping is air. Last I knew air is not a good conductor.
The meter is removed by taking apart the unions on either side of the meter. Not the connections (which may be soldered) above and below the meter yoke. Removal of the meter does not interupt the grounding electrode path. Removal of the yoke will interupt the GEC path. I have the same yoke.

I should clarify that if the connections for the yoke are soldered, I do not require the bonding jumper because the fittings cannot easilly be disassembled. If the fitttings for the yolk are not soldered then I require the bonding jumper. Either way removal of the water meter will not break the GEC path.

Here is a better picture of the yoke;



Removal of this meter will not interupt the GEC path and if the yoke connections are soldered, no jumper is required.

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All responses based on the 2011 NEC.
If you live in New Jersey click here. All other states click here.
Please check with local, county and state officials as laws may vary.
Sizing motors here. Online motor calculator here. Online calculators here.

Last edited by electures; 12-08-2012 at 12:38 PM.
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