... eliminates flashover 2) 95% pure alumina insulator 3) Strong resistance to heat and shock 4) Superb insulation 5) Nickel plated ... ITV22, LTR7IX11, IU20 - U20EPR9 CPR6EA9, CPR6EB9, U20ESR-N CR6E, CR6EIA9, U22ES-N C7E, U22ESR-N CR7E, CR7EB, IU22D CR7EIA9, CR7EIX, PMR7A, ZMR7AP ... CR8EKB, CR8EKPA, R017-8, U22EPR9 CPR7EA9, IU27 U27ES-N C9E, C9EVX, U27ESR-N CR9E, U27ESR-NB CR9EB, IU27D CR9EIA9, CR9EIX, CR9EVX ...