100-Ft., 16 gauge, 4 conductor trailer light hook up wire, white, brown, yellow, green, 4 conductors made from 100% copper, abrasion & weather resistant, 20 degrees Celsius to 60 degrees Celsius, PVC jacket, flat, parallel bonded, wire allows for maximum ease of use, connects trailer brake lights to power source, SAE standards, ROHS compliant, spool.