Free Standards Download

UL 1726:2001 pdf download Automatic Drain Valves for Standpipe Systems 1 Scope 1.1 These requirements cover automatic drain valves that are intended to drain water from cavities instandpipe systems intended usually to be empty, such as those...

UL 1977:1999 pdf download Component Connectors for Use in Data, Signal, Control and Power Applications 1 Scope 1,1 These requirements cover single and multipole connectors, intended for factory assembly to copper orcopper alloy conductors or printed wiring...

UL 1998:2000 pdf download Software in Programmable Components 1.1 These requirements apply to non-networked embedded microprocessor software whose failure iscapable of resulting in a risk of fire, electric shock, or injury to persons. 1.2 This is a...

UL 2231-1:2002 pdf download Personnel Protection Systems for Electric Vehicle (EV) Supply Circuits: General Requirements 1 Scope 1.1 These requirements cover devices and systems intended for use in accordance with the NationalElectrical Code (NEC), ANSI/NFPA 70, Article...

UL 2601-1:2000 pdf download Medical Electrical Equipment, Part 1: General Requirements for Safety 1 Scope and object 1.1Scope Add the following text in place of the sentence "SAFETY HAZARDS resulting from ... SAFETY HAZARDS resulting from intended...

UL 60950:2000 pdf download Safety of Information Technology Equipment 1 General 1.1 Scope 1.1.1 Equipment covered by this standard This standard is applicable to mains-powered or battery-powered information technologyequipment,including electrical business equipment and associated equipment, with a...

UL 61010C-1:2002 pdf download Process Control Equipment 1 Scope and object 1.1 Scope This nternational Standard specifies general safety requirements for electrical equipment intended forprofessional, industrial process, and educational use, including equipment and computing devices for: -...

UL SUBJECT 1699A:2002 pdf download OUTLINE OF INVESTIGATION FOR OUTLET BRANCH CIRCUIT ARC-FAULT CIRCUIT-INTERRUPTERS 1 Scope 1.1 These requirements cover arc-fault circuit-interrupters (AFCls) of the outlet branch circuit typeintended for use in dwelling units. These devices are...

UL SUBJECT-1836:2000 pdf download OUTLINE OF INVESTIGATION FOR ELECTRIC MOTORS AND GENERATORS FOR USE IN CL ASS I, DIVISION 2. AND CLASS II, DIVISION 2 HAZARDOUS (CLASSIFIED) LOCATIONS 1 Scope 1.1 These requirements cover electric motors and...