Red Line
August 25, 2017
UL 1951
UL Red Line
Edition 2
Published Date: August 25, 2017
Last Revision: June 27, 2020
Scope
019510-000000-0000001 Scope
1.1 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, pedicure spas, water controls located in kitchens and bathrooms, electric faucets, toilets 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.
1.2 These requirements do not cover pumps, dishwashers, washing machines, or other equipment connected to plumbing that is covered by individual requirements.
1.3 These requirements do not cover refrigeration systems or controls that regulate water temperature, or equipment for use in hazardous locations as defined in the National Electrical Code, NFPA 70.
Summary of Topics s1951_2_sum.htmlSUMMARY OF TOPICS
This revision to ANSI/UL 1951 include the following changes in requirements:
Clarify button or coin cell batteries of lithium technologies
Back to Standard 1951, Edition 2