GUIDANCE FOR THE CORRECT USE OF RESIDUAL CURRENT-OPERATED PROTECTIVE DEVICES (RCDS) FOR HOUSEHOLD AND SIMILAR USE
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General information concerning availability of RCD
protection
4.1 Availability of RCD protection
4.2 Failure of the RCD to operate
4.3 Failure rate
4.4 Useful life (see Figure 3)
4.5 Available surveys
5 Information related to contribution of products to the
availability of protection
5.1 Contribution of compliance with RCD standards
5.2 Contribution of design and manufacturing
6 Availability of protection in installations fitted with RCDs
6.1 General considerations
6.2 Recommendations concerning the correct use of the test
button
6.3 Recommendations for testing the availability of RCD
protection within the installation
6.4 Recommendations concerning the choice and installation
of RCDs
7 Information related to the installation and use of RCDs
in the field
7.1 General considerations and measures concerning
harsh environment
7.2 Most significant parameters to take into account
7.3 Recommendation for selection and installation to avoid
unwanted tripping of RCDs
7.4 Relationship between availability of the protection
and the selection of RCDs
Annex A (informative) General diagram showing contribution to
availability of the protective measure
Annex B (informative) Definitions from the IEV
Annex C (informative) Operation of RCDs with possible fault
currents
Annex D (informative) Example of use of the test button
Bibliography
Provides an overview of protection availability provided by residual current-operated protective devices (RCDs) complying with IEC standards for household and similar uses.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 23 |
