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What in Tarnation?
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Plumber meets Electrician
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by timmp, September 10
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#96271 11/15/05 10:50 PM
Joined: Sep 2005
Posts: 8
C
cruzer Offline OP
Junior Member
I'm feeding a 480v fire pump,if I put a dissconnect after the meter do I still have to put the feed in concrete

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#96272 11/16/05 08:37 AM
Joined: Jan 2004
Posts: 1,507
G
Member
With the brief amount of information you've given us the answer is No. Need more details.


George Little
#96273 11/16/05 11:26 AM
Joined: Apr 2005
Posts: 73
D
Member
Refresh my memory someone! Doesn't this disconnect have to be available to qualified personel only?
Larry

#96274 11/16/05 05:04 PM
Joined: Sep 2005
Posts: 8
C
cruzer Offline OP
Junior Member
The disconnect is 10" from meter.

#96275 11/16/05 05:08 PM
Joined: Sep 2005
Posts: 8
C
cruzer Offline OP
Junior Member
sorry the fire pump is 208v.It's 480 going to transformer.

#96276 11/16/05 05:21 PM
Joined: Mar 2002
Posts: 582
R
Ron Offline
Member
695.6(A)&(B) seem to require concrete, 1 hour rated circuit protective system or within a 1 hour enclosure.


Ron
#96277 11/16/05 06:48 PM
Joined: Jan 2004
Posts: 1,507
G
Member
For a job of this nature as an inspector or a contractor, I'd be looking at the plans that should be available with an engineer's seal on them.


George Little
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#96278 11/18/05 08:00 PM
Joined: Aug 2005
Posts: 89
D
Member
Definitely get the plans and engineer with you. I just finished installing a 480v fire station yesterday.

BTW, check for continuity. 480v bomb went off due to my boss forgetting to check for continuity on Phase C. Can we say kaboom? Thank goodness the fire station was disconnected and only a crimp barrel grenaded.

#96279 11/19/05 12:49 PM
Joined: Jul 2005
Posts: 56
P
Member
The feed needs to be ahead of the Service Disconnectg and remote of other disconnects. What are you doing with the jockey pump???


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