Product Description 172-02841 Features: -Cable Marking: SJTW.-Amps: 15.00 A.-No. of Outlets: 3.-Function: GFCI.-Type: Extension Cord. Specifications: -Conductor Size 1: 12/3 AWG.-Power @ Voltage: 1800.00 W @ 120.00 VAC. From the Manufacturer GFCI or ground fault circuit interrupters provide personal protection from ground faults and open neutral conditions anywhere electrical equipment is used. Protection for the job site, plant floor or workshop. GFCI is UL listed and meets OSHA specifications. Made of 3-conductor, 12-gauge wire and with Polar/Solar jacket. The GFCI should always be placed nearest the power source, plug in the GFCI then the extension cord. This inline GFCI has a molded Tri-Source 3-way power block with outlet covers for unused outlets. This GFCI unit is rainproof, rated at 15-amp with test and reset buttons.