Home UL UL Subject 639:2014 UL Subject 639:2014$230.52 Original price was: $230.52.$115.00Current price is: $115.00. Standard for Intrusion-Detection Units (CSDS Proposal, 11/20/2014) Underwriters Laboratories , 11/20/2014 UL Subject 639:2014 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 11/20/2014 Published:11/20/2014 Related products UL Subject 1450:1999 $261.78 Original price was: $261.78.$130.00Current price is: $130.00. Add to cart UL Subject 1971:1999 $215.53 Original price was: $215.53.$107.00Current price is: $107.00. Add to cart UL Subject 1670:1999 $159.67 Original price was: $159.67.$79.00Current price is: $79.00. Add to cart UL 542:1999 $133.96 Original price was: $133.96.$66.00Current price is: $66.00. Add to cart UL Subject 2329:1999 $120.39 Original price was: $120.39.$60.00Current price is: $60.00. Add to cart UL 1416 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. Add to cart UL Subject 676:1999 $247.42 Original price was: $247.42.$123.00Current price is: $123.00. Add to cart UL Subject 2329:1999 $290.32 Original price was: $290.32.$145.00Current price is: $145.00. Add to cart UL Subject 181B:1999 $187.58 Original price was: $187.58.$93.00Current price is: $93.00. Add to cart UL 507:1999 $155.31 Original price was: $155.31.$77.00Current price is: $77.00. Add to cart