EMT - UL Heads Up [RE-wrenches]

[Jeff Yago]

"2 word solution for water in boxes. Weep Holes.
Best regards, Joel Davidson"

I second Joel's comments.  I have been called in to "fix" several
large residential solar pv systems installed by others and I have
opened up junction boxes on the back of solar modules that were
completely FULL of rainwater!   I don't mean damp, I mean when you
pried off the gasketed cover, a quart of water that had filled up the
junction box and backed up in the conduit came flowing out.  Needless
to say, these systems had a few electrical "problems".

I don't care how many gaskets you have, how well you calk and seal
everything, or what the connector UL ratings are, I still think you
need a tiny (insect proof) drip hole at all low points.  Remember,
they put bilge pumps in the bottom of ships and submarines for a
reason.

Jeff Yago

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