20 : 10 : 39 : 15 . Requirements for load boxes. A load box is a primarily non-inductive nominal 240 volt, resistance heating type load with a minimum nominal full load of 18 kilowatts. A load box must be capable of operating at 2 or more load settings, including approximately 50 percent and 100 percent of the load box's rated total load.

Source: 42 SDR 174 , effective June 21, 2016 .

General Authority: SDCL 49 - 47 - 2.

Law Implemented: SDCL 49-47-2 , 49 - 47 - 3 .