NOTE 1—Clearance for mating parts. NOTE 2—Dimensions: mm/in; mm . inNOTE 3—∆–Alphabetical dimensional identification. NOTE 4—The diameter of the shielded portion shall at no point be less than the largest diameter of the insulation portion, except for bushings that have internal shielding. Figure 4 —200 A deadbreak interface, 8.3 kV and 15.2 kV