Shutter mechanism inside the receptacle blocks access to the contacts unless a two-prong plug is inserted, helping ensure hairpins, keys, etc., will be locked out TR symbol on residential receptacles assures they meet the 2008 NEC requirement Ultrasonic heavy-duty construction offers long, trouble-free service life Protects children from electrical shock injuries Double-wipe power contacts for reliable conductivity and plug retention.
- TR symbol on residential receptacles assures they meet the 2008 NEC requirement
- Ultrasonic heavy-duty construction offers long, trouble-free service life
- Protects children from electrical shock injuries
- Double-wipe power contacts for reliable conductivity and plug retention