The outside installation, service or repair of electrical machinery or auxiliary apparatus shall be classified as 3724(2), Electrical Machinery or Auxiliary Apparatus.
The installation, service or repair of building automation or energy management control systems shall be classified as 5130(2), Building Automation or Energy Management Control Systems Installation, Service or Repair.
The installation, service or repair of medical, professional or scientific instruments shall be classified as 5128, Instrument Installation, Service or Repair.
The installation, service or repair of machinery, equipment or instruments used in the manufacturing or processing of integrated circuit chips or semiconductor wafers shall be classified as 5129, Integrated Circuit or Semiconductor Processing Equipment Installation, Service or Repair.
The installation of low voltage cabling within buildings that is not performed in connection with the installation, service or repair of controls by the same employer shall be classified as 5195, Communications Cabling.
The installation of electrical wiring within buildings shall be classified as 5140/5190, Electrical Wiring — within buildings.
The manufacture or shop repair of programmable industrial controls shall be separately classified as 3681(1), Instrument Mfg. — electronic.
The manufacture or shop repair of non-programmable electrical control panels, switchboards and circuit breaker apparatus with a power rating of 746 watts (one horsepower) or more shall be separately classified as 3643(2), Electric Control Panel or Switchgear Mfg.
The Classification Search was developed by the WCIRB for your convenience to help you identify Standard Classifications based on keywords or a classification code. However, you cannot rely solely on the Classification Search and must make an independent assessment when determining the appropriate classification(s) assignable to a risk in accordance with the USRP.