What stands out is how polyethylene absorbs shock without breaking.
500Ft 20/5 Unshielded CMR Heating Air Conditioning HVAC AC Thermostat Cable Wire
CMR Riser Rated. 500′ Feet Unshielded Thermostat Cable. 20/5 Thermostat. 500′ Feet Spool. Solid Copper Wire. USEFUL LINKS. All Products. (Not Selected).
