12THE TIGHTENING TORQUES OF CABLE TERMINALSEnclosuresize TypeTightening torque:the mains cable andmotor cable terminalsTightening torque:the groundingclamps for cableshieldTightening torque:the grounding clamps forgrounding conductorNm lb-in. Nm lb-in. Nm lb-in.MR4 0003 2 - 0012 20003 5 - 0012 5 0.5-0.6 4.5-5.3 1.5 13.3 2.0 17.7MR50018 2 - 0031 20016 5 - 0031 50004 6 - 0011 61.2-1.5 10.6-13.3 1.5 13.3 2.0 17.7MR60048 2 - 0062 20038 5 - 0061 50018 6 - 0034 60007 7 - 0034 710 88.5 1.5 13.3 2.0 17.7MR70075 2 - 0105 20072 5 - 0105 50041 6 - 0062 60041 7 - 0062 78 * / 5.6 ** 70.8 * / 49.6 ** 1.5 13.3 8 * / 5.6 ** 70.8 * / 49.6 **MR80140 2 - 0205 20140 5 - 0205 50080 6 - 0125 60080 7 - 0125 720 177 1.5 13.3 20 177