Cable Glands
Overview
Overview
Cable Glands Overview
About Cable Glands
About Cable Glands
Every cable through a roof or a wall is a hole, and the gland is the only thing between that hole and the weather.
That sounds obvious. The number of caravan ceilings with a water stain under the solar cable entry says it is not. A cable pushed through a drilled hole and sealed with whatever was in the shed lasts a season. A gland made for the job, with a proper seal around the cable and a flange bedded onto the surface, lasts as long as the roof does.
Two formats do most of the work. Cable entry glands for a roof, in single and double versions, with a low profile cover that sheds water and a base wide enough to seal onto a curved or textured surface. Threaded nylon glands for a bulkhead or a box, where the cable passes through a flat panel and the gland clamps the cable as it tightens.
Match the gland to the cable. A gland sized for a heavy battery run will not clamp a thin solar lead, and one sized for the solar lead will not pass the battery cable at all.
Bed the base properly, use a sealant rated for UV if it is on a roof, and route the cable so it enters the gland from below where it can. Water follows cable, and a drip loop is the cheapest waterproofing there is.




