Legrand - Pass & Seymour radiant 2097TRW3PKCC4 20 Amp Tamper-Resistant Feed-Thru Self-Test GFCI Safety Outlet, White, 3-Pack ENSURES OPTIMAL SAFETY: Outlet self-tests every 3 seconds, ensuring it's always ready to protect. Hidden tamper-resistant shutters protect against electric shock THINNER PROFILE THAN THE COMPETITION: Legrand GFCIs leave more room for wires in your electrical box for easier installation FASTER & MORE RELIABLE CONNECTION: Enhanced design features external pressure plates; enhanced back body and posted terminal screws make wiring easy DURABLE CONSTRUCTION: withstands 100x the required UL surge test cycle SEAMLESSLY COMPLETE YOUR PROJECT OR REMODEL: Matches other radiant devices and screwless wall plates by Legrand - Pass & Seymour <span class="a-text-bold">Ground terminal back-wire clamp</span> for fast installation. <span class="a-text-bold">The indicator light flashes</span> if the device fails the self-test, signaling that the GFCI should be replaced. <span class="a-text-bold">Two back-wire holes</span> per termination add wiring flexibility, eliminate pigtailing, and save box space. <span class="a-text-bold">Prevents line-load reversal miswire</span>: no power to the face or downstream receptacles if wired incorrectly. <span class="a-text-bold">Patented SafeLock Protection</span> - if critical components are damaged and ground fault protection is lost, power to receptacle is disconnected. <span class="a-text-bold">High-impact-resistant, thermoplastic construction</span> for superior strength and durability. <span class="a-text-bold">Thinner profile</span> speeds installation by leaving more room for wires in the box. <span class="a-text-bold">Tamper-resistant automatic shutter system</span> prevents young children from inserting common household objects. <span class="a-text-bold">Ground terminal back-wire clamp</span> for fast installation.