Heating plant installations that include auxiliary motor-operated equipment rated twenty-five amps or less require a separate disconnecting means from the branch-circuit overcurrent protective device. The disconnect must be located at the unit and readily accessible from the service compartment.
S.D. Admin. R. 20:44:22:07
General Authority: SDCL 36-16-12, 36-16-27.
Law Implemented: SDCL 36-16-27.
Note: Also see Article 424 of the National Electrical Code.