Rule 701. The standard frequency for alternating current systems is 60 hertz. The frequency must be maintained within limits as administered by the regional transmission organization.
Mich. Admin. Code R. 460.3701
Rule 701. The standard frequency for alternating current systems is 60 hertz. The frequency must be maintained within limits as administered by the regional transmission organization.
Mich. Admin. Code R. 460.3701