Receptacle Outlet Safety Plug Cover Designed to Fit 125V/220V-250V/277V 2pk

SAFETY- Covers unused large appliance/tool/electric vehicle charger receptacle outlets to block easy access, prevent objects from being inserted into outlets and prevent dust buildup. | COMPATIBILITY- Reference IMAGE 4 for compatibility diagram. Compatible with electrical outlets for most dryers, ranges, ovens, stoves, electrical vehicle (EV), shop tools, welders, garage, industrial application (250V NEMA 6-30R, 6-50R) (277V NEMA 7-30R, 7-50R) (125/250V NEMA 14-30R, 14-50R, 14-60R), (3 250V NEMA 15-30R, 15-50R, 15-60R) (Indoor Use Only) | DESIGN: Made in the USA using UL Classified ABS to ensure durability and reliability. .20 thick base for improved rigidity when removing. 2.5 diameter to ensure complete coverage of compatible receptacle face. | INSTALL: Simply insert the plug cover into the unused outlet, and the plug cover will fit firmly in place no tools or additional steps required. Adult Installation is required. If the cover falls out of or fits loosely in the receptable, the power outlet contacts may be worn or broken. Do not use power outlet until it has been examined/repaired by a licensed electrician.