Broan-NuTone S143UL Cable Twisted Pair 16 Guage 500 Feet Ul Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the fines t products in the industry. Broan-NuTone S143UL Cable Twisted Pair 16 Guage 500 Feet Ul Features: • 16/2 Wire (UL Listed) - twisted pair, 500 ft., 16 ga