LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 7-721: REQUIREMENTS FOR SPECIAL INSTALLATIONS OR LOCATIONS - ELECTRICAL INSTALLATIONS IN CARAVANS AND MOTOR CARAVANS
International Electrotechnical Committee
FOREWORD<br>INTRODUCTION<br>721 Electrical installations in caravans and motor<br> caravans<br>721.1 Scope <br>721.2 Normative references<br>721.3 Terms and definitions<br>721.31 Purposes, supplies and structure<br>721.313 Supplies<br>721.4 Protection for safety<br>721.41 Protection against electric shock <br>721.411 Protective measure: automatic disconnection of<br> supply <br>721.413 Protective measure: electrical separation<br>721.414 Protective measure: extra-low voltage provided<br> by SELV and PELV<br>721.415 Additional protection <br>721.43 Protection against overcurrent<br>721.5 Selection and erection of equipment <br>721.51 Common rules <br>721.510 Introduction <br>721.512 Operational conditions and external influences <br>721.514 Identification <br>721.52 Wiring systems<br>721.521 Types of wiring systems<br>721.522 Selection and erection of wiring systems in relation<br> to external influences <br>721.524 Cross-sectional areas of conductors <br>721.526 Electrical connections <br>721.528 Proximity of wiring systems to other services<br>721.53 Isolation, switching and control <br>721.536 Isolation and switching<br>721.54 Earthing arrangements and protective conductors <br>721.543 Protective conductors<br>721.55 Other equipment <br>Annex A (normative) - Instructions for electricity supply<br>Annex B (informative) - Extra low-voltage DC installations<br>Annex C (informative) - Current-carrying capacities<br>Annex D (informative) - List of notes concerning certain<br> countries<br>Bibliography
Describes particular requirements applying to electrical circuits and equipment intended for the use of the caravan for habitation purposes.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 64 |
