AFCI/GFCI Receptacle Tester, Outlet Wiring Diagnostic Tool – Triplett ET550

Triplett ET550 — AFCI/GFCI Receptacle Tester

The Triplett ET550 AFCI/GFCI Receptacle Tester provides a straightforward way to verify the presence of arc-fault and ground-fault protection at standard electrical outlets. It identifies common receptacle wiring faults and confirms whether AFCI or GFCI protection is present, helping technicians locate safety and compliance issues quickly. By using a purpose-built receptacle tester, users can reduce diagnostic time versus more invasive or time-consuming methods. The plug-in form factor enables rapid field checks at job sites, in maintenance rounds, or on production benches. The ET550 supports pre-installation verification and post-repair validation to help ensure circuits are protected and wired correctly. Its compact profile makes it practical for electricians, maintenance teams, OEM test stations, and hobbyists who need a dedicated outlet test tool. Tri-Tek Electronics supplies the ET550 with full manufacturer warranty support and nationwide availability.

Key Features:

• Performs AFCI (arc-fault) detection at receptacles
• Performs GFCI (ground-fault) detection at receptacles
• Checks basic receptacle wiring faults and protection presence
• Compact, plug-in design for quick field or bench checks

Specifications:

• Manufacturer: Triplett
• MPN: ET550
• UPC: 0614395004781

Applications / Usage Context:

• Field installers performing outlet safety and wiring verification
• OEM customers validating receptacle protection during equipment integration
• MRO teams conducting routine maintenance, troubleshooting, and repair verification

Tri-Tek Electronics is an authorized distributor of this product with full manufacturer warranty support and nationwide availability.