IEC 60950-22:2016 is available as \/2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60950-22:2016 applies to information technology equipment intended to be installed in an outdoor location. The requirements for outdoor equipment also apply, where relevant, to outdoor enclosures suitable for direct installation in the field and supplied for housing information technology equipment to be installed in an outdoor location. Each installation may have particular requirements. Some examples are given in 4.2. In addition, requirements for protection of the outdoor equipment against the effects of direct lightning strikes are not covered by the standard. For information on this subject, see IEC 62305-1. This second edition cancels and replaces the first edition published in 2005. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: More extensive requirements for battery ventilation. Key words: Outdoor Equipment, Outdoor Locations, Outdoor Enclosure This publication is to be read in conjunction with \/2.<\/p>\n
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| 44<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
| 51<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | 1 Scope 1.1 Equipment covered 1.2 Additional requirements 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | 3 Terms and definitions 4 Conditions for outdoor equipment 4.1 Ambient air temperature <\/td>\n<\/tr>\n | ||||||
| 58<\/td>\n | 4.2 Mains supply 4.2.1 General 4.2.2 Mains transient voltage on AC mains supply 4.2.3 Mains transient voltage on DC mains supply <\/td>\n<\/tr>\n | ||||||
| 59<\/td>\n | 4.3 Rise of earth potential 5 Marking and instructions 6 Protection from electrical shock in an outdoor location 6.1 Voltage limits of user-accessible parts in outdoor locations 6.2 Limited current circuits in outdoor locations 6.3 Protection for socket-outlet in outdoor locations <\/td>\n<\/tr>\n | ||||||
| 60<\/td>\n | 7 Wiring terminals for connection of external conductors 8 Construction requirements for outdoor enclosures 8.1 General 8.2 Resistance to ultra-violet radiation <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | 8.3 Resistance to corrosion 8.3.1 General 8.3.2 Test apparatus Tables Table 1 \u2013 Minimum property retention limits after UV exposure <\/td>\n<\/tr>\n | ||||||
| 62<\/td>\n | 8.3.3 Test procedure 8.3.4 Compliance criteria 8.4 Bottoms of fire enclosures 8.5 Gaskets 8.5.1 General <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | 8.5.2 Oil resistance 8.5.3 Securing means 9 Protection of equipment within an outdoor enclosure 9.1 Protection from moisture Table 2 \u2013 Examples of the provision of pollution degree environments <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 9.2 Protection from plants and vermin 9.3 Protection from excessive dust 9.3.1 General 9.3.2 IP5X equipment <\/td>\n<\/tr>\n | ||||||
| 65<\/td>\n | 9.3.3 IP6X equipment 10 Mechanical strength of enclosures 10.1 General 10.2 Impact test 11 Outdoor equipment containing valve regulated or vented batteries 11.1 Risk of explosion from lead acid, NiCd and NiMH batteries <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | 11.2 Ventilation preventing an explosive gas concentration <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | Table 3 \u2013 Values for current Ifloat and Iboost, factors fg and fs, and voltages Ufloat and Uboost <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | 11.3 Ventilation test <\/td>\n<\/tr>\n | ||||||
| 69<\/td>\n | Annexes Annex A (normative) Water-saturated sulphur dioxide atmosphere (see 8.3.2 and 8.3.3) <\/td>\n<\/tr>\n | ||||||
| 70<\/td>\n | Annex B (normative) Water spray test (see 9.1) <\/td>\n<\/tr>\n | ||||||
| 71<\/td>\n | Figures Figure B.1 \u2013 Water-spray test spray-head piping <\/td>\n<\/tr>\n | ||||||
| 72<\/td>\n | Figure B.2 \u2013 Water-spray test spray head <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | Annex C (normative) Ultraviolet light conditioning test (see 8.2) C.1 Test apparatus C.2 Mounting of test samples C.3 Carbon-arc light-exposure apparatus C.4 Xenon-arc light-exposure apparatus <\/td>\n<\/tr>\n | ||||||
| 74<\/td>\n | Annex D (normative) Gasket tests (see 8.5) D.1 Gasket tests D.2 Tensile strength and elongation tests D.3 Compression test <\/td>\n<\/tr>\n | ||||||
| 75<\/td>\n | D.4 Oil immersion test Figure D.1 \u2013 Gasket test <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | Annex E (informative) Rationale E.1 General E.2 Electric shock E.3 Energy related hazards E.4 Fire <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | E.5 Mechanical hazards E.6 Heat related hazards E.7 Radiation E.8 Chemical hazards E.9 Biological hazards <\/td>\n<\/tr>\n | ||||||
| 78<\/td>\n | E.10 Explosion hazards <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Information technology equipment. Safety – Equipment to be installed outdoors<\/b><\/p>\n |