“UL 542:1999” has been added to your cart. View cart Home UL UL Subject 508C:2017 UL Subject 508C:2017$135.01 Original price was: $135.01.$67.00Current price is: $67.00. Standard for Power Conversion Equipment (Bulletin, 3/31/2017) Underwriters Laboratories , 03/31/2017 UL Subject 508C:2017 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 03/31/2017 Published:03/31/2017 Related products UL Subject 1564:1999 $161.46 Original price was: $161.46.$80.00Current price is: $80.00. Add to cart UL 606 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. Add to cart UL Subject 6500:1999 $213.52 Original price was: $213.52.$106.00Current price is: $106.00. 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 252:1999 $149.22 Original price was: $149.22.$74.00Current price is: $74.00. Add to cart UL 1416 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. Add to cart UL Subject 181B:1999 $187.58 Original price was: $187.58.$93.00Current price is: $93.00. Add to cart UL 768:1999 $222.51 Original price was: $222.51.$111.00Current price is: $111.00. Add to cart UL Subject 1063:1999 $297.76 Original price was: $297.76.$148.00Current price is: $148.00. Add to cart UL Subject 2250:1999 $172.30 Original price was: $172.30.$86.00Current price is: $86.00. Add to cart