Information technology - Data centre facilities and infrastructures - Part 3: Power distribution
This document addresses power supplies to, and power distribution within, data centres based upon the criteria and classifications for “availability”, “physical security” and “energy efficiency enablement” within ISO/IEC 22237‑1.
This document specifies requirements and recommendations for the following:
a) power supplies to data centres;
b) power distribution systems to all equipment within data…
General requirements for lighting systems - Safety
IEC TS 63117:2021(E) specifies the safety requirements of lighting systems at the system level, applicable when designing a lighting system.
A lighting system comprises a set of products. Safety requirements of the products are not covered in this document, but specified in product safety standards.
NOTE For emergency lighting systems, national or regional regulations provide relevant…
1 Scope
1.1
The CSA O80 Series of Standards specifies requirements related to the preservation and fire retardance of wood through chemical treatment (pressure and thermal impregnation). The subjects covered include materials and their analysis, pressure and thermal impregnation procedures, and fabrication and installation to put treated wood into service.
1.2
This Standard lists reference…
1 Scope
1.1
This Standard specifies requirements for the design and performance of complete active fall-protection systems, including travel-restraint and vertical and horizontal fall-arrest systems. This Standard is intended for engineers with expertise in designing fall-protection systems.
1.2
This Standard does not specify design or performance requirements for fall-arrest equipment or…
Intelligent transport systems — Lower layer protocols for usage in the European digital tachograph
This document specifies communication requirements in support of the Smart Digital Tachograph (SDT) as identified by Regulation 2016/799 of the European Union[23].
The specification covers:
— the physical layer at 5,8 GHz for SDT communications (SDTC);
— the data link layer (DLL) of SDTC;
— the application layer of SDTC;
— SDTC profiles which provide coherent sets of communication…
1 Scope
1.1 Application
This Code applies to the installation, inspection, repair, and maintenance of the fuel storage and delivery system installed in powered industrial truck applications and vehicles for use with compressed natural gas (CNG). This includes fuel systems on self-propelled vehicles for the provision of motive power.
Federal or provincial regulatory requirements might supersede…
Power installations exceeding 1 kV AC and 1,5 kV DC - Part 1: AC
IEC 61936-1:2021 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 61936-1:2021 CMV edition 3.0 and the previous IEC 61936-1:2010+AMD1:2014 CSV edition 2.1. Futhermore, comments from IEC TC 99 experts are provided to explain the reasons of the most relevant changes.
IEC 61936-1:…
Power installations exceeding 1 kV AC and 1,5 kV DC - Part 1: AC
IEC 61936-1:2021 provides requirements for the design and the erection of electrical power installations in systems with nominal voltages exceeding 1 kV AC and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended.
This document does not apply to the design and erection of any of the following:
– overhead and underground lines between…
Compressed natural gas (CNG) fuel storage and delivery systems for road vehicles
1 Scope
1.1 Applicability
This Standard applies to the design, installation, inspection, repair, and maintenance of the fuel storage and delivery system used as a provision for motive power. This Standard specifically addresses
a)
On-road vehicles (highway vehicles);
b)
Off- road vehicles (mining and construction); and
c)
Powered industrial trucks (forklifts and TUGs).
Note: This…
Intelligent transport systems — Framework for collaborative telematics applications for regulated co...
The ISO 15638 series (Parts 1 to 23) define the framework for online fleet management of regulated commercial freight vehicles utilizing data communication between in-vehicle systems and an application service provider via an on-board communication unit interfacing with road monitoring infrastructure and roadside sensors. This document defines an unregulated service architecture framework for…