| Typekode | Dimensioner (mm) | ||
| L | W | H | |
| Dimension af plastdæksel | |||
| NTSM-4ways | 150 | 225 | 20 | 
| NTSM-6-vejs | 195 | 225 | 20 | 
| NTSM-8ways | 230 | 225 | 20 | 
| NTSM-12-vejs | 300 | 225 | 20 | 
| NTSM-18vejs | 425 | 225 | 20 | 
| NTSM-24vejs | 300 | 345 | 20 | 
| Plastbasisdimension | |||
| NTSM-4ways | 112 | 200 | 66 | 
| NTSM-6-vejs | 150 | 200 | 66 | 
| NTSM-8ways | 184 | 200 | 66 | 
| NTSM-12-vejs | 256 | 200 | 66 | 
| NTSM-18vejs | 365 | 200 | 76 | 
| NTSM-24vejs | 257 | 200 | 76 |