Long leakage path prevents arcing.
4 lbs.End strain insulator suitable for medium strain use, deep grooves hold wire in place and prevent twisting. Speedrite SI031D End-Strain Corner Insulator - Black SpecificationsColor: BlackAttachment Method: Tie on with wireAttachment Position: FrontCorner Insulator: YesInsulator Conductor Type: Polyrope, Polywire, WireInsulator Material: High Density PolyethyleneDimension: 3" H x 10" W x 10" LWeight: 1. UV stabilized for long life.