BSI 17/30294966 DC:2020 Edition
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BS EN 50626-1. Conduit systems buried underground for the protection and management of insulated electrical cables or communication cables. Part 1. General requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 27 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 5 | European foreword |
| 6 | 1 Scope 2 Normative references 3 Terms and definitions |
| 7 | 4 General requirements |
| 8 | 5 General conditions for tests |
| 9 | 6 Classification 6.1 According to mechanical properties 6.1.1 Resistance to compression 6.1.2 Resistance to impact 6.1.3 Resistance to bending 6.2 According to resistance to external influences 6.2.1 Protection against ingress of solid objects: 6.2.2 Protection against ingress of water: 6.2.3 Resistance against corrosion (only applicable to metallic and composite system components) 6.3 According to resistance to flame propagation |
| 10 | 7 Marking and documentation |
| 11 | 8 Dimensions |
| 12 | Table 1 — Conduits diameters |
| 13 | 9 Construction 10 Mechanical properties 10.1 Mechanical strength 10.2 Compression test |
| 14 | 10.3 Impact test Table 2 — Impact test energy values |
| 15 | 10.4 Bending test 11 Fire hazard 11.1 Reaction to fire 11.1.1 Spread of fire |
| 16 | Table 3 — Times of exposure of the sample to the flame |
| 17 | 11.1.2 Additional reaction to fire characteristics 12 External influences 12.1 Degree of protection provided by enclosure 12.1.1 General 12.1.2 Degree of protection – Ingress of foreign solid objects 12.1.3 Degree of protection – Ingress of water 12.2 Resistance against corrosion |
| 18 | Table 4 — Resistance to corrosion classification |
| 19 | 13 Electromagnetic compatibility Figure 1 — Test piston and dimensions for rubbing test of marking |
| 20 | Figure 2 — Impact test apparatus |
| 21 | Figure 3 — Bending test apparatus |
| 22 | Figure 4 — Steel enclosure for test for resistance to flame propagation |
| 23 | Figure 5 — Test arrangement for resistance to flame propagation |
| 24 | Annex A (normative) Determination of material thickness A.1 Material thickness of plain conduit A.2 Material thickness of corrugated conduit A.3 Material thickness of combined plain conduit and corrugated conduit |
| 25 | A.4 Material thickness of combined plain conduit, corrugated conduit and plain conduit |
| 26 | Annex ZZ (informative) Relationship between this European Standard and the safety objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be covered Table ZZ.1 — Correspondence between this European Standard and Annex I of Directive 2014/35/EU [2014 OJ L96] |
| 27 | Bibliography |
