DUCKT-Strip is America's ONLY fully approved per code solution for wiring your ductless mini-split air conditioning unit. Fully compliant, easy to use, and patented rip-n-strip cable technology means faster install and passing inspection. Unlike tray cable, the DUCKT-Strip is your full compliant in-the-wall / through-the-wall, indoor & outdoor cable solution. Sold to distributors exclusively from https://www.houwire.com/duckt-strip/