CAN/CSA C22.2 No.94.2-2007(R2012)
电气设备外壳 环境注意事项(三国标准 NMX-J-235/2-ANCE-2007 和 UL 50E) 包括第 1 号更新 (2008)
Enclosures for Electrical Equipment, Environmental Considerations (Tri-National Standard, with NMX-J-235/2-ANCE-2007 and UL 50E), Includes Update No. 1 (2008)