A na-eji ngwaahịa a na-echebe oke ibu na sekit dị mkpirikpi na sekit ọkụ na ngwaahịa ndị ahụ kwekọrọ na GB10963 na BS3871 ụkpụrụ.
| Enyere ugbu a Al | Ọnụọgụ osisi | Egosiri voltaji | Ike imebi |
| 6.10.15.20.30.40.50.60 | 1 | 120-240 | 3000 5000 |
| 15.20.30.40 | 2 | 240-415 120-240 | 3000 5000 |
| 50.60 | 3 | 240-415 240-415 | 3000 3000 |