Disconnect-reconnect explosion-protected appliances and control devices connected to LV installation

KHU-ELT-0533

This unit involves the skills and knowledge required to disconnect and reconnect flameproof (Ex 'd'), increased safety (Ex 'e') and intrinsic safety (Ex 'i') electrical equipment to supply up to 1,000 volts (V) alternating current (a.c.) or 1,500 volts (V) direct current (d.c.). It includes working safely in hazardous areas, identifying supply arrangements, following isolation procedures, handling explosion-protected equipment, selecting and using testing and measuring devices, terminating and connecting cables and conductors, safety testing, reporting electrical faults and providing status report/s. Hazardous area is one in which an explosive atmosphere is present, or may be expected to be present, in quantities such as to require special precautions for the construction, installation and use of equipment. In hazardous areas, precautions should be taken to reduce the likelihood of insta