Cable sleeving and wiring fittings for HGV electrical work
Proper cable protection is one of the areas that separates a reliable wiring repair from one that fails six months later. On HGVs, wiring is exposed to heat from the exhaust system, mechanical abrasion from chassis movement, and moisture from road spray. Split loom tubing and braided sleeving protect cables from all three failure modes and are standard practice in any professional loom repair.
Split loom tubing is the most common choice for general harness protection: it can be opened along its length to run existing cables through it without disconnecting anything. Solid conduit is used where a harder protective shell is needed, particularly in areas close to moving components or hot surfaces. Braided expandable sleeving is used for high-flex areas such as door harnesses and cab-to-body transitions, where the loom needs to move without the sleeve cracking.
Heat shrink, cable ties, P-clips, and grommet fittings are stocked to complete wiring repairs properly. If you're working through a loom repair and need to confirm stock on a specific size or type, call us on 01527 598 000 or order online for next-day delivery.
Frequently Asked Questions
What is split loom tubing used for on HGVs?
Split loom tubing is used to protect cable runs from abrasion, heat, and moisture. The split along its length allows you to install it over existing wiring without disconnecting the harness. It's standard in cab loom repairs, underchassis cable protection, and anywhere cables run near hot or moving components.
What is the difference between split loom and braided sleeving?
Split loom tubing is a rigid corrugated plastic tube, split along one side for installation over existing cables. It provides good mechanical protection and is easy to work with. Braided expandable sleeving is a flexible woven sleeve that contracts to grip the cable and expands to allow movement. It's the better choice for high-flex areas like door harnesses where the wiring needs to move without the sleeve cracking or fatiguing.
Do you stock heat shrink for auto electrical work?
Yes. We stock heat shrink tubing in a range of diameters and shrink ratios for auto electrical applications. Dual-wall adhesive-lined heat shrink is the correct choice for outdoor and underchassis use, as the adhesive liner seals the joint against moisture ingress. Standard single-wall heat shrink is suitable for dry, protected environments.
What wiring fittings do you stock?
We stock cable ties, P-clips, grommet fittings, cable clamps, saddle clips, and connector fittings used in HGV wiring repairs and loom builds. P-clips and saddle clips are available in a range of sizes for different cable diameters and chassis mounting thread sizes. Call us if you need a specific size not shown online.
