Heat Shrinkable Straight Boot provides insulation to the bushings in the cable termination box, where the clearance between phase to phase and phase to earth is less than the normal air clearance. The Straight Boot provides protection against flashover in the event of high humidity, rodent menace and surge impulse. The Straight Boot is the mode from high quality cross linked non tracking polyolefin material. Heat Shrinkable Straight Boot is internally coated with water resistant red mastic.