“UL 542:1999” has been added to your cart. View cart Home UL UL Subject 268:2021 UL Subject 268:2021$264.00 Original price was: $264.00.$132.00Current price is: $132.00. Standard for Medium-Voltage Transfer Switches (CSDS Proposal, 1/22/2021) Underwriters Laboratories , 01/22/2021 UL Subject 268:2021 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 01/22/2021 Published:01/22/2021 Related products UL Subject 183:1999 $241.75 Original price was: $241.75.$120.00Current price is: $120.00. 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 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 507:1999 $155.31 Original price was: $155.31.$77.00Current price is: $77.00. Add to cart UL 224:1999 $103.11 Original price was: $103.11.$51.00Current price is: $51.00. Add to cart UL 606 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. 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 Subject 1564:1999 $161.46 Original price was: $161.46.$80.00Current price is: $80.00. Add to cart UL Subject 2329:1999 $120.39 Original price was: $120.39.$60.00Current price is: $60.00. Add to cart