List of activities classified inside the UK SIC Code 27120
- Bus bar (switchgear type) (manufacture)
- Switchgear (power) (manufacture)
- Prime mover generator sets (manufacture)
- Power switching equipment (manufacture)
- Moulded case circuit breaker (manufacture)
- Motor starting and controlling gear (manufacture)
- Miniature circuit breaker (manufacture)
- Fuses for domestic use (manufacture)
- Fusebox for domestic use (manufacture)
- Fuse and fusegear (power) (manufacture)
- Electricity distribution and control apparatus (manufacture)
- Electrical relays (manufacture)
- Electrical apparatus for switching or protecting electrical circuits (manufacture)
- Electric power switches (manufacture)
- Electric control and distribution boards (manufacture)
- Circuit breaker for power (manufacture)
- Circuit breaker (moulded case) (manufacture)
- Voltage limiters (manufacture)