C.3 UL StandardsThe UL/cUL mark applies to products in the United States and Canada indicates that UL hasperformed product testing and evaluation and determined that their stringent standards forproduct safety have been met. For a product to receive UL certification, all components insidethat product must also receive UL certification.U LC R USLISTEDFigure C.7 UL/cUL Marku UL Standards ComplianceThis drive is tested in accordance with UL standard UL508C, E131457 and complies with ULrequirements. The following conditions must be met to maintain compliance when using thisdrive in combination with other equipment:n Installation AreaDo not install the drive to an area greater than pollution severity 2 (UL standard).n Main Circuit Terminal WiringYaskawa recommends using UL-listed copper wires (rated at 75 °C) and closed-loopconnectors or CSA-certified ring connectors sized for the selected wire gauge to maintainproper clearances when wiring the drive. Use the correct crimp tool to install connectors permanufacturer recommendation. Table C.4 lists a suitable closed-loop connector manufacturedby JST Corporation.Table C.4 Closed-Loop Crimp Terminal Size (JIS C 2805) (same for 200 V and 400 V)Wire Gaugemm2 (AWG)TerminalScrews Crimp TerminalModel Numbers Tightening TorqueN m (lb to in.)0.75 (18) M3.5 R1.25-3.5 0.8 to 1.0 (7.1 to 8.9)M4 R1.25-4 1.2 to 1.5 (10.6 to 13.3)1.25 (16) M3.5 R1.25-3.5 0.8 to 1.0 (7.1 to 8.9)M4 R1.25-4 1.2 to 1.5 (10.6 to 13.3)2 (14)M3.5 R2-3.5 0.8 to 1.0 (7.1 to 8.9)M4 R2-4 1.2 to 1.5 (10.6 to 13.3)M5 R2-5 2.0 to 2.5 (17.7 to 22.1)M6 R2-6 4.0 to 5.0 (35.4 to 44.3)C.3 UL Standards236 YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual