Free Standards Download

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....

ANSI-UL 60950:2000 pdf download Safety of Information Technology Equipment Electric shock is due to current passing through the human body. The resulting physiologicaeffects depend on the value and duration of the current and the path it takes...

ANSI UL 62:2000 pdf download Flexible Cord and Fixture Wire 1.1 These requirements cover xture wires, hoistway cables, and exible cords for use in accordance with the National Electrical Code. 1.2 An elevator cable that contains one...