TRIPLETT Receptacle Tester: 120 V AC to 120 V AC, 5-15P, GFCI, CAT III 135V
The TRIPLETT ET550 is an AFCI/GFCI Receptacle Tester designed for 120 V AC to 120 V AC operation with a 5-15P plug. It features a load current of 30 mA and carries a CAT III 135V safety rating. This GFCI tester uses…
SKU 3G-OTH-173102
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Product Description
The TRIPLETT ET550 is an AFCI/GFCI Receptacle Tester designed for 120 V AC to 120 V AC operation with a 5-15P plug. It features a load current of 30 mA and carries a CAT III 135V safety rating. This GFCI tester uses indicator lights to verify outlet wiring and GFCI functionality.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the TRIPLETT ET550 used for?
The TRIPLETT ET550 is a receptacle tester that verifies outlet wiring and GFCI functionality in 120 V AC circuits. It uses indicator lights to detect common wiring faults and test ground-fault protection, making it essential for electricians and maintenance technicians inspecting residential or commercial outlets.
What are the specifications of the TRIPLETT ET550?
The TRIPLETT ET550 operates from 120 V AC to 120 V AC with a 5-15P plug and a load current of 30 mA. It carries a CAT III 135V safety rating. The tester uses indicator lights for wiring verification and GFCI testing. The manufacturer part number is ET550.
Where to buy the TRIPLETT ET550 worldwide?
3G Electric supplies the TRIPLETT ET550 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this GFCI tester to any country.
How to use the TRIPLETT ET550 GFCI tester?
Plug the TRIPLETT ET550 into a 120 V AC outlet. Observe the indicator lights to identify correct wiring or faults such as open ground or reversed polarity. Press the GFCI test button to verify ground-fault protection. Always follow local electrical safety codes and use appropriate personal protective equipment.
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3G Electric supplies TRIPLETT gfci testers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







