OSHA requirements mandate that all
125-volt, single-phase, 15-, 20-, and 30-ampere receptacle outlets that are not part of the permanent wiring of the building or structure and that are in use by personnel shall have ground fault circuit interrupter protection for personnel.
29 CFR 1910.304 (3)(ii)(A).
This means that all extension cords used for temporary power in construction and industry must be equipped with a GFCI device. These products include an automatic reset feature which allows the GFCI to automatically reset after interruption of primary power. The device MUST be be manually reset after a ground fault occurrence.
Manufactured by Tower, these GFCI products provide electrical shock protection for people in all work environments. Uniquely designed for the most rugged use, Tower Ground Fault Circuit interrupters are the ultimate in quality and dependability at reasonable cost.
All products are UL/CUL approved.