NEMA publishes reaffirmed residential control standards.
Press Release Summary:
NEMA has reaffirmed DC 5-1989, Residential Controls-Surface-Type Controls for Electric Storage Water Heaters as well as DC 12-1985, Residential Controls-Hot-Water Immersion Controls. It also reaffirmed DC 13-1979, Residential Controls-Line-Voltage Integrally Mounted Thermostats for Electric Heaters. Developed by the Residential Controls Section, all 3 feature updated normative references.
Original Press Release:
NEMA Publishes Reaffirmed Residential Control Standards DC 5, DC 12, and DC 13
(Rosslyn, Va.) April 1, 2008 - The National Electrical Manufacturers Association (NEMA) has reaffirmed the following standards:
o DC 5-1989 (R1996, R2002, R2008) Residential Controls-Surface-Type Controls for Electric Storage Water Heaters
o DC 12-1985 (R1991, R1996, R2002, R2008) Residential Controls-Hot-Water Immersion Controls
o DC 13-1979 (R1985, R1991, R1997, R2002, R2008) Residential Controls-Line-Voltage Integrally Mounted Thermostats for Electric Heaters
All three standards have been developed by the Residential Controls Section to promote a better understanding between the manufacturer and the user by providing for interchangeability though industry standardization and to assist in selecting and obtaining the proper equipment. They feature updated normative references.
Electronic copies may be downloaded at no charge, or hard copies purchased by visiting NEMA's Web site. DC 5-1989 (R1996, R2002, R2008) Residential Controls-Surface-Type Controls for Electric Storage Water Heaters is available for $38 at www.nema.org/stds/dc5.cfm. DC 12-1985 (R1991, R1996, R2002, R2008) Residential Controls-Hot-Water Immersion Controls is available for $46 at www.nema.org/stds/dc12.cfm. DC 13-1979 (R1985, R1991, R1997, R2002, R2008) Residential Controls-Line-Voltage Integrally Mounted Thermostats for Electric Heaters is available for $46 at www.nema.org/stds/dc13.cfm.
Customers may also contact IHS at 800-854-7179 (within the U.S.), 303-397-7956 (international), 303-397-2740 (fax), or on the Web at global.ihs.com.
NEMA is the trade association of choice for the electrical manufacturing industry. Founded in 1926 and headquartered near Washington, D.C., its approximately 450 member companies manufacture products used in the generation, transmission and distribution, control, and end-use of electricity. These products are used in utility, medical imaging, industrial, commercial, institutional, and residential applications. Domestic production of electrical products sold worldwide exceeds $120 billion. In addition to its headquarters in Rosslyn, Virginia, NEMA also has offices in Beijing, São Paulo, and Mexico City.
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