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Electric in Steam Vaults

Electric in Steam Vaults

Electric in Steam Vaults

(OP)
Hello,
New to forum. I just got employed at a small Cogen Plant at the University of Maryland. Part of my duties will be doing repair work of electric sumps in the underground Steam Vaults located through out campus. With talking with some of the steam techs they said the electrical piping for the sumps get corroded quick and they are high maintenance. The temps in the vault are probably around 170 degrees F. I asked them if they are using rigid and they said yes. I asked them if they tried coated rigid and they said yes. It still seams to corrodes pretty fast. They said aluminum rigid seems to hold up better. Is there anything else to try,like painting the rigid with some form of special paint? Thanks, this is a new area I am not familar with.

RE: Electric in Steam Vaults

Stainless steel MI cable? Jacketed copper MI cable?

Bill
--------------------
"Why not the best?"
Jimmy Carter

RE: Electric in Steam Vaults

What is actually failing? the insulation on the wires inside the Al conduits, the connections within the junction boxes and terminal boxes, the copper corroding and lowering resistance.... ?

What about lowering the level of the conduits - temperatures near the upper 6 inches of a conduit run can be 25 - 45 degrees hotter than near the floor .

RE: Electric in Steam Vaults

(OP)
In response, the pipe is what is failing. Just corroding away.

RE: Electric in Steam Vaults

Fiberglass conduit?

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