Official classification context
Industry overview This class comprises establishments primarily engaged in executing one or all of cable -wiring work for electric lighting, electric power, and electric power machinery inside, beside, or outside the structure of bu ildings and structures, cable-wiring work for electric lighting and electric power machinery in general factories, works premises, companies, shops, homes, etc., cable-wiring work for outdoor lighting, arcade, street lighting and other lighting equipment, equipment work and cable -wiring work for in- house power receipt and transformation by general electricity -using facilities, cable -wiring work in airports, etc., and equipment or cable -wiring work for neon advertising towers, electric sign advertising towers, neon signs, electric signs, etc.
Major group context This Major group comprises establishments primarily engaged in direct contracts with the orderers for completing electric structures, telecommunication signal facilities, air -conditioning equipment, water supply -drainage with sanitary equipment, elevator systems, and other machinery and equipment, or the establishments engaged in comple ting similar work by self -construction (construction for the establishment itself) as well as those engaged in subcontracting installation work as a part of work for these machinery and equipment.