Plug into safety with Leviton's line of tamper-resistant receptacles. Leviton makes it easy for you to comply with the current NEC mandate for TR receptacles in all new residential housing. This requirement resulted from a consumer product safety commission study, that reported alleged injuries in the home caused each year by children attempting to insert foreign objects into receptacles. As a long-time manufacturer of tamper-resistant devices, we are pleased to be at the forefront of this safety measure with an expanded product line that encompasses a wide range of tr devices in residential, commercial, industrial and hospital grades.