It depends on the cable. 0 to 5000 volts the minimum bending
radius is 6 x diameter of the cable. Above 5000 volts the minimum
bending radius is 8 x the diameter of the cable.
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45 degree, 90 short radius degree ,T ,elbow,cap,concentric
reducer, Tee and flange
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I believe you want to know the MINIMUM bending radius of sheet
metal.