I have recently been asked to design a solar system for a corrugated tin sheet roof that is on a domestic home. I intend on using rail anchors on the 'peaks' of the profile to mount the panel rails to. The question I have is with regards to passing the cables from the roof inside of the house. Is there a waterproof cable gland or technique that people have found useful/tidiest? I cannot see how the cable can be tucked neatly into the house in the same sort of way that a tiled roof allows. Any help would eb greatly appreciated.
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