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Old 03-15-2009, 12:02 PM   #1
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Meter box leaking


I have a electrical meter box (Milbank type 3r) and I think that it is leaking water into my circuit box in the basement when it rains hard. I tried silicon on the tubing leading from the meter to a box below it, but that did not work. Any ideas of what it could be? I called my power company and they said that there were not liable.
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Old 03-15-2009, 01:19 PM   #2
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Meter box leaking


How is the meter being fed? Underground or overhead? If the service entrance conductors enter from the bottom, I cannot see how water could get in. Even if water does get in (it does) the meter can is designed to drain.
If the SE conductors enter the top of the meter how did they install them. Did they use a "hub"?
If you could take a picture of the service that would surely help us help you.

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Old 03-15-2009, 01:39 PM   #3
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Meter box leaking


I have seen a service entrance with the conduit coming down the side of the house and entering the basement below ground level. There were some joints down there that leaked rain water on the ground into the conduit and into the meter down in the basement although even if not there could have been a hole rusted out.
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Old 03-15-2009, 02:11 PM   #4
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Meter box leaking


is the weather head on properly?gromet installed?
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Old 03-15-2009, 02:18 PM   #5
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Meter box leaking


J.V.
The cable is running from underground upward to the meter box on the side of my house, then it runs down a conduit into the basement into the circuit box. I noticed on the top of the meter box there is some sort of hub and I'm thinking that maybe water is traveling thru there, any susggestions?
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Old 03-15-2009, 02:57 PM   #6
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Meter box leaking


AllaJ, you mention some joints, any idea where they are located? The water is running thru the conduit down to my basement thru the circuit box?
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Old 03-15-2009, 03:48 PM   #7
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Meter box leaking


Can you get pictures?

This hub could be a knockout blocker that the water is getting through. The house may have had an aerial service a few years ago and was converted to underground.
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Old 03-15-2009, 04:16 PM   #8
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Meter box leaking


bubble gum it always works
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Old 03-15-2009, 06:01 PM   #9
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Meter box leaking


Quote:
Originally Posted by dSilanskas View Post
bubble gum it always works
or a close proximity. duct seal.


the closure on top of the meter should be a closure included with the meter base originally.

this is the fastest best pic I could find. Notice the hump on top of the meter base:
http://img.alibaba.com/photo/203427032/Meter_Base.jpg

that is not water tight but it sets over a raised ridge on the base that prevents water from entering the base.

the conduit leaving the base should either be glued PCV or using raintight fittings if emt. If rigid, that's tough. The joints should be made tight but that does not provide a water tight seal.

so, back to the duct seal.

all conduits that enter an area that could pass different temp air from one area to the other should be sealed with duct seal or other similar product. If you seal the conduit in the meter base, that would prevent water from entering that end of the conduit.
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Old 03-15-2009, 09:11 PM   #10
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Meter box leaking


The example I was mentioning had the metal conduit emerging from the foundation at ground level, then an elbow with a screw on metal flap on it to make pulling the wires easier, then the metal conduit going up to the overhead wire weatherhead.

In your case, if all you see is the conduit going from the meter box down into the ground next to the house, carefully dig around it to see if there are any fittings or holes.

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