MegohmmeterModels6501/6503
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4.7 InsulationResistanceonMotors
Figure4-8showsreadingtheresistancetogroundofathree-phase
motor winding. Since the three-phase motors are internally con-
nected,itisonlynecessarytoconnectoneleadtothemotorlead
andtheotherleadtothemotorframeasshown.
Figure 4-8