Cartman Booster Cables in Carry Bag, 8ga 12Ft UL Listed 5 Year Warranty! Fits top and side post batteries; Luxurious carry bag for free. Sufficient CCA. UL listed and atamped. Over 50% greater conductor size than that of a 10 Gauge. Ideal for use with mid-size cars, light pickup trucks and light recreational vehicles. Twice grip design for better conductivity and tension. TPR material of cable, low temperature resistance (-13F/ -25C) T-Prene coating keeps cables flexible down to -25C/-13F Cables work with top-post and side-terminal 12/24-volt batteries 8-gauge, heavy-duty, no-tangle cable construction Ergonomically designed with shielded surfaces for safety UL listed; RoHS compliant Low Temperature Test: To make sure the jacket material meets SAE or UL specifications for flexibility and high voltage leaks. Dielectric Test: To test the resistance voltage of cable/clamp insulations, and ensure safety. Aging (High Temperature) Test: To judge the aging performance of the insulation materials of the cable/clamp or others. Ampacity Test: To judge the booster cable set rating performance. Acid Exposure Test: To judge the acid resistance of the clamp plating. Flame Test: To judge fire retardant properties of the cable insulation or clamp (usually plastic clamp). Resistance Test: To judge the electric performance of the cable. To check the conductivity of the cable. To check the quality of the copper. Pull-out Test: To test the connection (crimping) between the jaw and cable.