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1.1 This Standard specifies the electrical and mechanical characteristics of round wire concentric lay overhead electrical stranded conductors made of combinations of any of the following metal wires: (a) aluminum wires: (i)...

Please note this NOI has been replaced by the NOI for ANSI/CAN/UL/ULC-2258 (published on 2017-09-12 ). 1.1 This Standard covers minimum requirements for nonmetallic tanks of the atmospheric storage type from 227 to 2500 L...

1.1 This Standard applies to plugs, receptacles, power inlets and outlets, connectors, and similar wiring devices intended for use in electronic and electrical applications as follows (see Figure 1): (a) Type 0 rated up to 8...

1.1 This method provides for the determination of the mass percentage of saturates, monoaromatics, diaromatics and polyaromatics in petroleum fractions that distil below 385°C. The distillates should consist primarily of...

This Standard applies to hand-held planners the rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. The rated input is not more than 3 700 W. The limits for the...

1.1 General This standard is applicable to - ceramic and glass hollow insulators intended for general use in electrical equipment; - ceramic hollow insulators intended for use with a permanent gas pressure in switchgear and...

This International Standard is applicable to string insulator units of ceramic material or glass for use on d.c. overhead power l ines with a nominal voltage greater than 1 000 V. It is not applicable to composite insulators...

This standard specifies the main characteristics and test methods for backwater valves made of thermoplastic with nominal diameters up to 200 mm (8 in) or made of cast iron with nominal di-ameters up to 375 mm (15 in), and...

1.1 These requirements cover emergency vault ventilators and vault-ventilating ports. 1.2 Emergency vault ventilators are primarily intended to provide fresh air to persons locked in the vault by accident or during a robbery...

1.1 The test methods described in this Standard are applicable to roof covering materials and are intended to measure the relative fire-performance characteristics of roof coverings when exposed to fire originating from...

1.1 These requirements and methods of test apply to fire damper assemblies rated ¾ h, 1 h, 1½ h, 2 h, or 3 h for use in air-conditioning and ventilating system ducts or openings (without ducts) piercing horizontally or...

1.1 This Standard specifies the fire-performance and antistatic requirements for new (unused) ventilation materials for use in underground mines. 1.2 Ventilation materials can be divided into two categories: rigid tubing and...