I'm basing my response by simply turning around in this chair I'm sitting in and comparing the harness on the back of my test bench HU to my Klein strippers //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif
Looks to be 18awg so I reckon whoever else you asked and myself are on the same page. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif