| 33140 | Repair and maintenance of electric lighting equipment (manufacture) |
| 33140 | Repair and maintenance of electrical signalling equipment (manufacture) |
| 33140 | Repair and maintenance of electricity distribution and control apparatus (manufacture) |
| 33140 | Repair and maintenance of medical equipment, electrical (manufacture) |
| 33140 | Repair and maintenance of motor generator sets (manufacture) |
| 33140 | Repair and maintenance of non-electronic measuring, checking, testing etc. equipment (manufacture) |
| 33140 | Repair and maintenance of primary and storage batteries (manufacture) |
| 33140 | Repair and maintenance of relays and industrial controls (manufacture) |
| 33140 | Repair and maintenance of road and other non-domestic exterior lighting equipment (manufacture) |
| 33140 | Repair and maintenance of switchgear and switchboard apparatus (manufacture) |
| 33140 | Repair and maintenance of wiring devices for wiring electrical circuits (manufacture) |
| 33140 | Repair and rewiring of armatures (manufacture) |
| 33140 | Repair, maintenance and rewinding of electric motors, generators and transformers (manufacture) |
| 33140 | Rewind electric motor (manufacture) |
| 33140 | |