“UL 507:1999” has been added to your cart. View cart Home UL UL Subject 639:2009 UL Subject 639:2009$289.91 Original price was: $289.91.$144.00Current price is: $144.00. Standard for Intrusion-Detection Units (CSDS Proposal, 10/16/2009) Underwriters Laboratories , 10/16/2009 UL Subject 639:2009 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 10/16/2009 Published:10/16/2009 Related products UL Subject 1063:1999 $297.76 Original price was: $297.76.$148.00Current price is: $148.00. Add to cart UL Subject 1971:1999 $215.53 Original price was: $215.53.$107.00Current price is: $107.00. Add to cart UL 606 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. Add to cart UL Subject 10:1999 $193.42 Original price was: $193.42.$96.00Current price is: $96.00. Add to cart UL Subject 83:1999 $244.01 Original price was: $244.01.$122.00Current price is: $122.00. Add to cart UL Subject 1686:1999 $119.03 Original price was: $119.03.$59.00Current price is: $59.00. Add to cart UL Subject 60730-2-4:1999 $200.80 Original price was: $200.80.$100.00Current price is: $100.00. Add to cart UL 507:1999 $155.31 Original price was: $155.31.$77.00Current price is: $77.00. Add to cart UL Subject 183:1999 $241.75 Original price was: $241.75.$120.00Current price is: $120.00. Add to cart UL Subject 2250:1999 $172.30 Original price was: $172.30.$86.00Current price is: $86.00. Add to cart