Cable Trunking of H.S.is an economical wire management system designed to support and protect electrical wires and cables. Cable Trunking is permitted in a variety of indoor and outdoor applications. Cable Trunking Advantages: · Cheap and easy installation method. · The cables are enclosed in trunking, there is no risk of cable insulation to be damaged. · Cables are safe against dust and humidity. · Alternations are possible. · Trunking systems has a long life. Disadvantages: · Expensive compare to other wiring systems. · Care and good workmanship are needed to ensure a successful installation.