Polyethylene insulators withstand ultraviolet rays
HPI series insulators made from proprietary high-density polyethylene blend. Products HPI-55-3, HPI-55-4 and HPI-55-5 are vandal-proof and resistant to chips, cracks and breakage. An alternative to porcelain insulators, HPI series offers longer leakage distance, higher impulse strength and greater track resistance, according to manufacturer. Withstands UV rays. Molded Products, a div. of Hendrix Wire and Cable, Milford, N.H.