Free Standards Download

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...

UL 144:1999 pdf download LP-Gas Requlators Scope 1.1 These requirements cover pressure regulators for use with LP-Gas equipment. 1.2 Regulators covered by these requirements are intended for use in non-refrigerated systems inaccordance with the following standards: a)...

UL 153:2002 pdf download Portable Electric L .uminaires 2.18 INTERLOCK SWITCH - A switch that de-energizes the lamps when the portable luminaire isopened or when the lamp is replaced. 2.19 ISOLATED SECONDARY CIRCUIT - A circuit derived...

UL 218-BULLETINS:2002 pdf download Standards Technical Panel (STP) for Fire Pump Controllers, STP 218 Subscribers to UL’s Standards Service for Fire Pump Controllers Other Interested Parties 1. LIMITED SERVICE CONTROLLERS FOR ELECTRIC MOTOR DRIVEN FIRE PUMPS RATIONALE...

UL 429-BULLETINS:2002 pdf download Changes in Guide Information for Electrically Operated Valves Certied for Canada, YIOZ7 USE AND INSTALLATION This category covers electrically operated valves which are designated General Purpose Valves or SafetyValves as indicated in the...

UL 66:2002 pdf download Fixture Wire 1 Scope 1.1 This standard states basic construction, test, and marking requirements for fixture wires. Fixture wiresare single conductor and are of the following types: 600 volt Types: 300 volt Types:...

UL 51:2002 pdf download Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision method for reverberation rooms 1 Scope 1.1 This International Standard specifies a direct method and a comparison method...

UL 48:2001 pdf download Electric Signs 1.10 A product that contains features, characteristics, components, materials, or systems new or differentfrom those covered by the requirements in this standard, and that involves a risk of fire or of...

UL 20:2000 pdf download General-Use Snap Switches 1.10 For switches intended for connection to branch-circuit wiring containing aluminum conductors, referto the Standard for Receptacles and Switches intended for Use with Aluminum Wire, UL 1567, or toAppendix B....