These requirements cover equipment connected to or used with plumbing in commercial or household locations. Examples of equipment covered by these requirements are irrigation equipment, sprinkler controls, water controls located in kitchens and bathrooms, electric faucets, and toilet flushing systems. All equipment is intended for installation and use in accordance with the National Electrical Code, NFPA 70, and is rated 600 volts or less.
UL 1951-1994 history
1970UL 1951-2020 UL Standard for Safety Electric Plumbing Accessories
2017UL 1951 BULLETIN-2017 UL Standard for Safety Electric Plumbing Accessories (COMMENTS DUE: August 14@ 2017)
2016UL 1951 BULLETIN-2016 UL Standard for Safety Electric Plumbing Accessories (COMMENTS DUE: February 13@ 2017)
2014UL 1951 BULLETIN-2014 UL Standard for Safety Electric Plumbing Accessories (COMMENTS DUE: March 10@ 2014)
2013UL 1951 BULLETIN-2013 UL Standard for Safety Electric Plumbing Accessories (COMMENTS DUE: December 02@ 2013)
2011UL 1951 BULLETIN-2011 UL Standard for Safety Electric Plumbing Accessories (COMMENTS DUE: May 30@ 2011)
2010UL 1951 BULLETIN-2010 SUMMARY OF TOPICS The following changes in requirements to the Standard for Electric Plumbing Accessories, UL 1951, are being proposed for preliminary review and comment only
2008UL 1951 BULLETIN-2008 UL Standard for Safety Electric Plumbing Accessories (COMMENTS DUE: September 15@ 2008)