1 – Ball and socket articulated NORMAL type string insulator
- U-40 BL / K-1 40 kN
- U-60 BL/K-2 60 kN
- U-70 BL/K-2 70
- U-100 BL/K-2
- U-120 BL/K-2
2 – Spherical and socket articulated string insulator used in POLLUTE areas (fog)
- UF-60 BLP
- UF-70 BLP
- U-100 BLP
- U-120 BLP