GT měděná připojovací svorka
| TYP | Rozměr (mm) | ||
| D | d | L | |
| GT-G-10 | 8 | 5 | 50 |
| GT-G-16 | 9 | 6 | 56 |
| GT-G-25 | 10 | 7 | 60 |
| GT-G-35 | 12 | 8.5 | 64 |
| GT-G-50 | 14 | 10 | 72 |
| GT-G-70 | 16 | 12 | 78 |
| GT-G-95 | 18 | 13 | 85 |
| GT-G-120 | 20 | 15 | 90 |
| GT-G-150 | 22 | 16 | 94 |
| GT-G-185 | 25 | 18 | 100 |
| GT-G-240 | 27 | 20 | 110 |
| GT-G-300 | 31 | 24 | 120 |
| GT-G-400 | 34 | 26 | 135 |
| GT-G-500 | 38 | 30 | 150 |
| GT-G-630 | 45 | 35 | 170 |
