Cogeneration systems shall automatically disconnect from the power supplier system when the power supplier system is deenergized. The equipment to prevent backfeed shall be approved by the power supplier and commission according to the National Electrical Code, Article 90-4.

Source: 10 SDR 131, effective June 3, 1984; 12 SDR 151, 12 SDR 155, effective July 1, 1986; transferred from § 20:44:12:08, August 12, 1994.

General Authority: SDCL 36-16-12.

Law Implemented: SDCL 36-16-27.