“UL Subject 181B: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 2250:1999 $172.30 Original price was: $172.30.$86.00Current price is: $86.00. 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 1062:1999 $282.91 Original price was: $282.91.$141.00Current price is: $141.00. Add to cart UL 1416 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. Add to cart UL Subject 2329:1999 $120.39 Original price was: $120.39.$60.00Current price is: $60.00. Add to cart UL Subject 1690:1999 $202.66 Original price was: $202.66.$101.00Current price is: $101.00. Add to cart UL 606 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. 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 60730-2-4:1999 $200.80 Original price was: $200.80.$100.00Current price is: $100.00. Add to cart