Telecommunications and exchange between information technology systems — Requirements for local and ...
Scope
This standard specifies Bridges that interconnect individual LANs, each supporting the IEEE 802 MAC
Service using a different or identical media access control method, to provide Bridged Networks and
VLANs.
1 Scope
1.1 This Standard applies to luminaires for use in non-hazardous locations and that are intended for
installation on branch circuits of 600 V nominal or less between conductors in accordance with the
Canadian Electrical Code, Part I (CEC), CSA C22.1, with the U. S. National Electrical Code (NEC),
ANSI/NFPA 70, and with the Mexican National Electrical Code, NOM-001-SEDE.
1.2 This…
Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers...
This document defines the general conditions for the determination of the reduced viscosity, intrinsic viscosity and K‑value of organic polymers in dilute solution. It defines the standard parameters that are applied to viscosity measurement.
This document is used to develop standards for measuring the viscosities in solution of individual types of polymer. It is also used to measure and report…
Optical fibres - Part 2-40: Product specifications - Sectional specification for category A4 multimo...
IEC 60793-2-40:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60793-2-40:2021 is applicable to category A4 optical multimode fibres and the related subcategories A4a, A4b,…
Terrestrial photovoltaic (PV) modules - Design qualification and type approval - Part 2: Test proced...
IEC 61215-2:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61215-2:2021 lays down requirements for the design qualification of terrestrial photovoltaic modules suitable for…
Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 1: G...
IEC 61937-1:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61937-1:2021 applies to the digital audio interface using the IEC 60958 series for the conveying of non-linear…
Standard for Devices for Detection, Monitoring or Control of Plumbing Systems
1.1 General
1.1.1 This standard covers devices for detection, monitoring or control of water supply and
distribution systems in sizes DN 8 to DN 300 (NPS-1/4 to NPS-12) for commercial and residential
applications and specifies requirements for materials, performance testing, environmental
limitations, installation, and markings.
1.1.2 Devices for detection, monitoring or control of plumbing…
Terrestrial photovoltaic (PV) modules - Design qualification and type approval - Part 1-1: Special r...
IEC 61215-1-1:2021 is available as IEC 61215-1-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61215-1-1:2021 lays down requirements for the design qualification of terrestrial photovoltaic modules suitable for long-term operation in open-air climates. The useful service life of…
Terrestrial photovoltaic (PV) modules - Design qualification and type approval - Part 1: Test requir...
IEC 61215-1:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61215-1:2021 lays down requirements for the design qualification of terrestrial photovoltaic modules suitable for…