IEC system of plugs and socket-outlets for household and similar purposes - Part 2: Plugs and socket-outlets 15 A 125 V a.c. and 20 A 125 V a.c.
- revision to tolerances on the slot dimensions;
- incorporate a shorter maximum length of blade;
- new dimensions to define the recess of electrical contacts;
- new gage for inspection to verify dimensional compliance to protection from electrical shock during partial insertion and withdrawal of plug blades.