Trench Cable Trunking is made of steel. Trunking available in multi-compartment with turnbuckle, screwfix, tamperproof, powder coated/painted and IP4X. 3m lengths as standard. Use of a four way or tee will reduce cable capacity factor by up to 50% please consider using offset accessories. Larger cables do not sit flat and may require extra space considerations. Mounted away from the wall or ceiling using fixing devices.