... Cores: Red, Blue, Yellow, Black,6 Cores: Red, Blue, Yellow, Black,Green, White8 Cores: Green, Yellow, White,Black, Blue, Red, Orange, Brown12 Cores: Red, Blue, Yellow, Black,Green ... 60754-1Smoke density EN 61034-2 / IEC 61034-2 single pair shielded twisted pair cable shielded alarm copper cable