I have found either way works.
A small 1/2 in hole on bottom of box with brass vent screen glued in
place is effective. Leaving the boxes breath is important. If you have
leakage the moisture will flow in with temperature change and condensate.
I use desiccant in my control boxes and replace every few years or at
first sign of condensation..
de W7RH
--
W7RH DM35os
"It has become appallingly obvious that our technology has exceeded our
humanity." - Albert Einstein
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