How can I install Underground Cable?

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Underground cables are, of course, meant to be installed or laid under the ground. The reliability of underground cable networks mostly depends upon proper laying of cables, quality of cable joints and branch connections etc. There are three main methods of laying underground cables, which are - (i) direct laying, (ii) draw-in system and (iii) solid system.



However, ignoring how easy it sounds, it’s really not a self-doing job. If you are extremely confident of your wiring skills that makes you feel comfortable adding an electrical circuit indoors, then running a circuit to a detached outbuilding is something you may be able to do yourself. But keep in mind that it involves work at the main circuit breaker panels to install and connect one or more new circuit breakers.



(i)  Direct laying: This method is the most popular as it is very cost effective. The cables to be used must be laced with bituminised paper and hessian tape in order to prevent corrosion and electrolysis.

(ii)  Draw-in-system: In this method, cast iron or concrete pipes and ducts are laid underground with the help of manholes at the suitable position along the cable route. The cables then are pulled into the pipes from the manholes. Usually, an extra pipe/duct is also provided along with the three cable ducts for carrying relay protection connections and pilot wires. Distance between the manholes should be such that pulling in the cables is easier. At corners or while changing the direction of the route, the radius of the corners must be longer. The cables are then to be laid in this way need not be armoured but must be provided with the serving of hessian and jute in order to protect them when being pulled. They are then connected to the circuit breakers later on.

(iii)  Solid System- The cable is laid into troughing of cast iron, stoneware, asphalt or even treated wood. When the cable is laid into the position, the troughing is filled with a bituminous of asphaltic compound and then covered over. Cables to be laid in this manner could be just lead covered as the troughing provides a good mechanical protection. The wires then can be connected to the circuit breaker panels.



So that’s basically how underground service installation is done.

If you don’t know where to find a professional to do so, take a look at the G3 Electric website. Many people choose to have this kind of work done by a professional, and with good reason. You must contact a qualified local electrician from G3 electric, who can handle the wiring for you.

Address:- 10520 YONGE STREET RICHMOND HILL, ONTARIO CANADA

www.g3electric.ca

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