https://www.bh-usa.com/product-category/boat-lift-controls/electrical-components/gfci-wire-harnesses/
GFCI Wire Harnesses | Boat Lift Electrical Controls | BH-USA
GFCI Wire Harnesses are control cable wired to an in-line Ground Fault Circuit Interrupter with open wires at the end to wire to a control box.
gfci wire harnessesboat liftelectrical controlsbhusa