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1 Scope 1.1 This document specifies the physical property requirements and test methods used to verify compliance of those material properties for low pressure spray applied rigid two-component polyurethane foam for use as...

These requirements detail the specifications for electric vehicle (EV) charging systems that include conductive EV supply equipment, possibly integrated with energy storage systems, either housed separately or within the EV...

This part of IEC 61347 specifies particular safety requirements for electronic controlgear for use on d.c. supplies up to 250 V and a.c. supplies up to 1 000 V at 50 Hz or 60 Hz and at an output frequency which can deviate...

1.1 This Standard covers requirements for external corrosion protection systems on steel non-pressure tanks that are used for the underground storage of flammable liquids and combustible liquids. The requirements are as...

This standard is applicable to ac contactors applied at voltages in the range of 1 501V to 15kV, and metal-enclosed contactor-based controllers, control centers, and other control assemblies and associated equipment applied...

Proportional Flow Control Devices are commonly found in European hydronic systems. Typically, these product are installed as a part of an integrated system to balance flow into both sides of a double-wall heat exchanger. One...

The provisions of Clause 1 of UL 62368-1, Audio/Video, Information and Communication Technology Equipment – Part 1: Safety Requirements, apply, except as follows. Replacing first paragraph with the following: This standard...

These requirements cover vehicle connectors and vehicle inlets designated as, and configured as, megawatt charging couplers. These devices are rated up to 1500 Vdc, 3000 A under conditions of continuous use. Vehicle...

1.1 This Standard applies to motor-operated appliances* intended for use with nominal system voltages of 600 V and less, except that where appliances are driven by universal-type motors or electromagnetic mechanisms, the...

1.1 This Standard covers requirements for permanently installed, portable and transportable toxic and combustible gas and vapour detectors and sensors, including accessories, intended to be employed in indoor locations or...

1.1 These requirements cover electrically operated single and multiple station carbon monoxide ( CO ) alarms intended for protection in non-residential or ordinary (nonhazardous) areas. 1.2 Carbon monoxide alarms covered by...