I would say it would be the same as the other cables on that end. The other 2 cables stick past the clamp .120". ....... http://www.trifive.com/garage/56%20Chevy%20Assembly%20Manual/101-5.gif ... It's then adjusted at the control panel end.I'm installing a new heater cable , hot water cable from hot water valve , on a 56 210, deluxe heater. can anybody tell me what the adjustment is on the cable inside the heater box. Is the a particular amount of cable housing past the bracket?