Cross-arm Insulator
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Wholesale Chinese Product Composite Cross Arm Insulator
The materials of crossarm insulators are mainly electric porcelain and composite materials.The electric porcelain crossarm insulator is a porcelain piece in the shape of a stick.Install on the pole to support the wire.It ACTS as a conductor to insulate the ground.And play the role of cross - arm.When the voltage level is high, the mechanical strength of crossarm insulator is required to be high.
