J-YY Single-wired conductor of plain copper wire.
PVC-based core insulation, fur cores twisted to star quad, core colours according to VDE 0815, PVC-based outer scheath, RAL 7032 J-Y (ST) Y Like J-YY.
BD but cores are twisted in pairs, cable core covered by a static screen of aluminium-clad plastic wire with copper conductor, PVC-based outer sheath RAL 7032.
BMD brandmeldekabel is the same cable but with red PVC sheath, request for alarm system.

Installation cable according to VDE 0815
J - YY | |||
| N° of pairs | Approx. outside diameter ca. mm | Copper weight Kg/Km | Approx. weight Kg/Km |
| 1 x 2 x 0,6 | 5,0 | 11,0 | 35 |
| 4 x 0,6 | 6,5 | 23,0 | 60 |
| 3 x 2 x 0,6 | 7,0 | 34,0 | 75 |
| 5 x 2 x 0,6 | 8,5 | 57,0 | 110 |
J - Y ( ST ) Y. | |||
| 1 x 2 x 0,6 | 5,0 | 6,9 | 30 |
| 4 x 0,6 | 5,5 | 13,0 | 40 |
| 3 x 2 x 0,6 | 6,3 | 18,0 | 50 |
| 4 x 2 x 0,6 | 6,8 | 24,0 | 60 |
| 5 x 2 x 0,6 | 7,2 | 30,0 | 70 |
| 6 x 2 x 0,6 | 7,5 | 35,0 | 80 |
| N° of pairs | Approx. outside diameter ca. mm | Copper weight Kg/Km | Approx. weight Kg/Km |
| 8 x 2 x 0,6 | 8,0 | 46,0 | 90 |
| 10 x 2 x 0,6 | 9,0 | 58,0 | 110 |
| 12 x 2 x 0,6 | 9,5 | 71,0 | 130 |
| 1 x 2 x 0,8 | 6,0 | 11,0 | 40 |
| 4 x 0,8 | 7,0 | 21,0 | 60 |
| 3 x 2 x 0,8 | 8,5 | 31,0 | 80 |
| 4 x 2 x 0,8 | 9,0 | 41,0 | 100 |
| 5 x 2 x 0,8 | 9,5 | 52,0 | 120 |
| 6 x 2 x 0,8 | 10,5 | 62,0 | 140 |
| 8 x 2 x 0,8 | 11,5 | 82,0 | 170 |
| 10 x 2 x 0,8 | 13,0 | 102,0 | 220 |
| 12 x 2 x 0,8 | 14,0 | 123,0 | 250 |