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​Cable Glands


Every cable through a roof is a hole, and the gland is the only thing between it and the weather. Entry glands and threaded glands sized to the cable.

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Cable Glands

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Overview

Cable Glands Overview

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.

FAQs

Cable Glands FAQs

What is a solar cable entry gland and do I need one?

A solar cable entry gland is a weather resistant housing that allows electrical cables to pass through the roof of a caravan or vehicle without letting in rain or dust. You need one for any permanent solar installation where the wiring must enter the cabin or canopy from the outside.

The gland is bonded to the roof surface using a structural adhesive to create a watertight seal. This protects your interior from leaks and shields the cables from sharp metal edges that could cause a short circuit over time. It provides a professional and durable finish for your off grid wiring.

Find the right hardware in our Solar Panel Mounting Brackets collection or see our full range of 12V Solar Panels.

Double vs single cable entry gland: Which is better for a caravan?

A double cable entry gland is usually the better choice for a caravan solar setup. Because solar panels require both a positive and a negative lead, a double gland allows you to route both wires through a single sealed point on your roof.

Single glands are better suited for individual accessory wires or antennas. Using a double unit is a more efficient and tidy way to manage your solar array, as it reduces the number of holes needed and simplifies the bonding process. This keeps your installation compact and minimizes the risk of water ingress.

Explore our Solar Cable & Accessories for more finishing parts.

Are ABS plastic solar cable glands UV resistant?

Yes, our ABS plastic cable glands are constructed from high grade, UV resistant materials designed for the harsh Australian climate. This prevents the housing from becoming brittle, cracking, or fading after years of exposure to direct sunlight on a vehicle roof.

Maintaining a watertight seal depends on the material staying flexible and strong. These glands are engineered to handle extreme heat and coastal salt air, which helps protect your interior from leaks over long term travel. Using UV stable components is a vital part of a professional off grid build.

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