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|Cable Jointing Requirements: Design And|
# 05.12.2017 - 09:47:42
Development of an optimized cable jointing system is recommended highly. Nevertheless, it is important to find quality joints with a proven underground jointing system within the voltage range of up to 3300V using aluminium or copper conductors of up to 630 millimetres square XLPE cat6 cable, PVC sheathed armoured cable, and PVC unarmoured or PVC insulated cables.
The polyurethane resin compound seeks to give the cast resin cable joints excellent mechanical and electrical properties which do not permit ingress of moisture. Cable jointing systems should be designed using sequential design processes to improve their lifespan and require no maintenance.
1. Cable jointing requirements
Cable jointing involves making, and repairing joints within insulated power supply, as well as 1/0 welding cables fitted in underground trenches, pipes and overhead systems. It involves laying, installing and maintaining de-energized high-voltage and low-voltage underground polymeric cables. Furthermore, it involves the preparation of terminators for overhead lines and electrical equipment.
In addition, the above involves installing and maintaining electrical cables underground. These car cables for battery play the role of transmitting and distributing electricity in the city or country, in industrial centres and new housing estates.
2. Cable design requirements
Cable jointing systems have several design requirements. First and foremost, the joints need to feature high strength, as well as reliability in order to resist a possible overload exerted over the long-term. Furthermore, resistance to corrosion over the long-term is an important requirement for joints because they are enclosed between the aluminium layer and insulation- an area where moisture and humidity is likely to affect the material.
In addition, the jointing system needs to be safe with proper insulation because temperature variation that often escalate between high temperatures during the summer and below zero temperatures during winter, can ruin the systems operations. Moreover, the 4 gauge battery wire with joints should be allowed to roll and expand without causing any negative effects in insulation.
3. Cable jointer requirements
Cable jointers often work outdoors, occasionally in confined & cramped conditions or at higher heights. They can also work in sub-stations that help to reduce high-voltage electricity or lower electricity use for consumers. Typically, the joiners need to keep good relationships with the authorities, property owners and tenants.
Cable jointers usually work in a team to ensure the success of tasks; the specific requirements for a jointer include: enjoy practical work, cope with physical demands of jobs, good hand-eye coordination, normal colour vision & eyesight, able to function at heights, safety conscious and good communication skills.
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