Wall Outlets Designed and tested in accordance with UL498 requirements Receptacle Outlets made of high impact-resistant polycarbonate thermoplastic face and back body, sturdy construction, offer a long, trouble-free service life Duplex outlet receptacle features tamper-resistant shutters to prevent unwanted objects from being inserted, adding a sense of security for children. Complies with 2017 NEC Code Electric socket with a green grounding screw and self-grounding clip provide for automatic grounding in the junction box, protecting you from electrical shock Electrical outlets' shallow body design allows for compact wiring. Quick wiring push-in terminals accept #14AWG solid copper wire only. Side wiring terminal screws accept wire up to #12AWG We offer 1 year replacement guarantee for standard electrical outlets(Non-human damage). If you have any questions about the product, please contact us, we will reply you within 24 hours