11-35kV Composite windproof deviation insulator sub-unit pole accessories Installation: 1. The windproof and partial composite insulators should be handled gently during transportation and installation to avoid collision and friction with miscellaneous pieces and sharp objects. 2. When lifting, the knot should be hit on the end attachment. It is strictly forbidden to hit the umbrella skirt or sheath. When the rope must touch the umbrella skirt and the sheath part, it should