QO® Circuit Breaker Load Centers, PK15GTAL, from Square D® are Underwriters Laboratories (UL) Listed and CSA rated panelboards. They are designed to meet residential, commercial, and industrial requirements to protect electrical systems, equipment, and people. US and Canadian UL® Listed to the UL 1449 standard. Complies with requirements of NEC® Article 285 and CSA 22.2 No. 8- M1986 as appropriate. Complies with UL 96A 12th Edition Master Label requirements for Lightning Protection Systems.