Southwire Type SGT and STT battery cables are 60 VDC and 25 VAC cables that can be used in harnesses made for all types of land vehicles. 600 V - 1,000 V rated designs may be available on special order. Other sizes and constructions may also be available on special order. Contact sales. Resistant to flame, ozone, hot water, abrasion, automotive fluids, temperature and humidity cycling.