$178.11 Original price was: $178.11.$89.00Current price is: $89.00. Standard for Line Isolation Monitors (CSDS Proposal, 6/17/2016) Underwriters Laboratories , 06/17/2016 UL Subject 1022 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 06/17/2016 Published:06/17/2016 Related products UL Subject 1971 $249.18 Original price was: $249.18.$124.00Current price is: $124.00. Add to cart UL Subject 508 $186.16 Original price was: $186.16.$93.00Current price is: $93.00. Add to cart UL Subject 60730-2-4 $248.13 Original price was: $248.13.$124.00Current price is: $124.00. Add to cart UL 507 $249.00 Original price was: $249.00.$124.00Current price is: $124.00. Add to cart UL Subject 1670 $230.25 Original price was: $230.25.$115.00Current price is: $115.00. Add to cart