覆盖由玻璃纤维增强树脂基芯棒和金属端部配件制成的复合拉线（耐张）型绝缘子，用于电力系统的架空配电线路，以绝缘或隔离拉线，以防腐蚀，提高绝缘水平，或为维护和正常运行留出间隙。

Covers composite guy (strain) type insulators made of a fiberglass-reinforced resin matrix core rod and metal end fittings intended for use on overhead distribution lines for electric power systems to insulate or isolate guy wires for corrosion protection, increased insulation levels, or clearance for maintenance and normal operation.