GB/Z 22721-2008 Active National standards

GB/Z 22721-2008 Guidance for the correct use of residual current-operated protective devices(RCDs)for household and similar use

Publish Date: 2008-12-30 Implement Date: 2009-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/Z 22721-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Low-voltage distribution electrical equipment

ICS Name: Fuses and other overload protection devices

Publish Date: 2008-12-30

Implement Date: 2009-10-01

Pages: 23 pages

Scope

This guidance technical document provides an overview of the availability of protection provided by residual current operated protection devices (RCDs) that comply with national standards for household and similar use. This guidance technical document focuses on describing the main parameters that affect the availability of protection and provides information on how to install and use RCDs, as well as the environmental conditions after installation.
This guidance technical document provides general information on the availability of protection in fixed electrical installations and how to maintain a high level of protection availability during use (installation and maintenance); the development of this guidance technical document is beneficial to various standardization technical committees, installers, inspectors, and users.