Official classification context
Industry overview work This class comprises establishments primarily engaged in executing all or some of work related to telephone lines (including cables), wireless telegraph and telephone overhead cable equipment (including telegraph poles), and telegraph and telephone machinery and equipment. However, establishments that execute Cable TV broadcastin g equipment installation work are classified under Industry 0822.
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.