Graphical symbols for use on equipment - 12-month subscription to regularly updated online database ...
Contains graphical symbols used to identify equipment or a part of equipment, indicate functional states, designate connections, provide information on packaging or provide instruction for the operation of the equipment. A graphical symbol is a visually perceptible figure used to transmit information independently of language. Each graphical symbol is identified by a reference number and contains…
Scope
1.1 This Standard describes the requirements for the design and installation of a fire alarm system with
or without voice communication capability.
NOTE 1: This Standard is intended to apply to both required and voluntary fire alarm installations.
NOTE 2: The requirements in this Standard address the installation for various types of fire alarm system equipment and devices.
These…
Low-voltage surge protective devices - Part 01: General Requirements and test methods
IEC 61643-01: 2024 contains the common requirements for all SPDs. This document is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages, hereafter referred to as Surge Protective Devices (SPDs). SPDs are intended to be connected to circuits or equipment rated up to 1 000 V AC (RMS) or 1 500 V DC. Performance and safety…
Information and Communication Technology (ICT) Power Cables
Scope
1.1 This Standard covers the power handling capabilities of Information and Communication Technology
(ICT) cable assemblies when used for powering or charging Audio/Video, Information, and
Communication Technology Equipment applications. This does not include Power Over Ethernet cables
that are permanently installed to power equipment installed on the network. The signal transmission…
Boxes and enclosures for electrical accessories for household and similar fixed electrical installat...
IEC 60670-22:2024 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 60670-22:2024 applies to boxes, enclosures and parts of enclosures (hereafter called "boxes" and…
Boxes and enclosures for electrical accessories for household and similar fixed electrical installat...
This pack contains IEC 60670-22:2024 EXV and IEC 60670-22:2024 RLV.
IEC 60670-22:2024 applies to boxes, enclosures and parts of enclosures (hereafter called "boxes" and "enclosures") for electrical accessories with a rated voltage not exceeding 1 000 V AC and 1 500 V DC intended for household or similar fixed electrical installations, either indoors or outdoors. Boxes and…
Boxes and enclosures for electrical accessories for household and similar fixed electrical installat...
IEC 60670-22:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 60670-22:2024 EXV includes the content of the references made to IEC 60670-1:2024.
IEC 60670-22:2024 applies to boxes, enclosures and parts of…
Boxes and enclosures for electrical accessories for household and similar fixed electrical installat...
IEC 60670-24:2024 applies to enclosures and parts of them for housing protective devices and other power dissipating electrical equipment intended to be used with a rated voltage not exceeding 400 V and a total incoming load current not exceeding 125 A for household and similar fixed electrical installations. These enclosures are intended to be installed in locations where unskilled persons have…