This document specifies the dimensions of the circular and rectangular flanges of general‑purpose fans, as well as the fan size designations. It is not applicable to cross‑flow fans or to fan appliances used for individual household or similar applications.
For circular flanges, it provides for three different flange series: one for light‑duty casing thicknesses, another for medium‑duty fans and…
Standard for Suspended Ceiling Power Grid Systems and Equipment
Scope
1.1 These requirements cover suspended ceiling grid low voltage/extra-low voltage systems and
equipment intended for installation and use in accordance with the:
a) In Canada:
1) Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1;
b) In the United States:
1) National Electrical Code (NEC), NFPA 70.
1.2 The suspended ceiling grid low voltage/…
Multicore and symmetrical pair/quad cables for digital communications - Part 15: Symmetrical pair/qu...
IEC 61156-15:2024 refers to cables as described in IEC 61156-5:2020 or cables containing element(s) from cables as described in IEC 61156-5 which are required to maintain both circuit integrity and data transmission capability before, during and after flame application under specified conditions.
In addition to the basic cable construction, it describes the means of sample preparation, checking…
Textiles — Determination of index ingredient from coloured textile — Part 8: Hibiscus
This document specifies a test method for the determination of the index ingredient of chemicals in coloured textile with aqueous extracts from the flowers of Hibiscus.
Textiles — Determination of index ingredient from coloured textile — Part 7: Himalayan rhubarb
This document specifies a test method for the determination of the index ingredient of chemicals in coloured textile with aqueous extracts from the flowers of Himalayan rhubarb.
Telecommunications and exchange between information technology systems — Requirements for local and ...
This document 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.
Telecommunications and exchange between information technology systems - Requirements for local and ...
This document 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.
This document specifies a core semantic classification system of essential indoor features to describe indoor environments required commonly in various location-based indoor applications of buildings. The scope includes the following:
— semantic description of indoor features and their attributes;
— feature association between indoor features.
The semantic classification system in this…
Information géographique — Modèle d'entités intérieures
Le présent document spécifie un système de classification sémantique de base des entités intérieures essentielles pour décrire les environnements intérieurs exigés couramment dans différentes applications intérieures basées sur l'emplacement dans les bâtiments. Le domaine d'application inclut les éléments suivants:
— la description sémantique des entités intérieures et de leurs…
