$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 183 $225.61 Original price was: $225.61.$112.00Current price is: $112.00. Add to cart UL Subject 6500 $207.85 Original price was: $207.85.$103.00Current price is: $103.00. Add to cart UL Subject 252 $201.71 Original price was: $201.71.$100.00Current price is: $100.00. Add to cart UL Subject 181B $248.65 Original price was: $248.65.$124.00Current price is: $124.00. Add to cart UL Subject 1690 $164.61 Original price was: $164.61.$82.00Current price is: $82.00. Add to cart