BOXES AND ENCLOSURES FOR ELECTRICAL ACCESSORIES FOR HOUSEHOLD AND SIMILAR FIXED ELECTRICAL INSTALLATIONS - PART 21: PARTICULAR REQUIREMENTS FOR BOXES AND ENCLOSURES WITH PROVISION FOR SUSPENSION MEANS
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 General notes on tests
6 Ratings
7 Classification
8 Marking
9 Dimensions
10 Protection against electric shock
11 Provision for earthing
12 Construction
13 Resistance to ageing, protection against ingress of solid
objects and against harmful ingress of water
14 Insulation resistance and electric strength
15 Mechanical strength
16 Resistance to heat
17 Creepage distances, clearances and distances through
sealing compound
18 Resistance of insulating material to abnormal heat and to
fire
19 Resistance to tracking
20 Resistance to corrosion
21 Electromagnetic compatibility
Figure 101 - Examples of suspension means
Figure 102 - Inclined ceiling test
Applicable to boxes and enclosures with provision for suspension means.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 23 |
