The 0.504" (12.80mm) insulation height leaves room for the receptacle latch to engage fully.
Where It Goes — General Purpose, Industrial, Lighting
Listed applications include general-purpose industrial controls, lighting fixtures, and similar equipment where a reliable wire-to-board connection at 9A per circuit is needed. The 600VAC rating suits line-voltage lighting ballasts and power supplies inside enclosures. The natural (white) nylon housing is a common color for indoor use, and the locking ramp gives the installer a positive feel when mating.