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PD CLC/TS 50658:2025 Cable management systems (CMS) providing support for cables with intrinsic fire resistance >
PD CLC/TS 50658:2025 Cable management systems (CMS) providing support for cables with intrinsic fire resistance, 2025
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- European foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Fire resistance classification
- Table 1 — Fire resistance classifications for CMS providing support
- 5 Documentation
- 6 Rules for test [Go to Page]
- Table 2 — Minimum test duration [Go to Page]
- Figure 1 — Typical circuit arrangement
- Figure 2 — Positioning of thermocouples [Go to Page]
- Figure 3 — Test arrangement for cable tray system, mesh cable tray system and cable ladder system
- Figure 4 — Trapeze system
- Figure 5 — Cantilever system with additional support at or near the end of the cantilever bracket
- Figure 6 — Cantilever system without additional support and location of the pendants
- Figure 7 — Exit out of the furnace wall showing additional gaps and the location of mineral wool for trapeze system (Figure 4) and cantilever system with additional support at or near the cantilever bracket (Figure 5)
- Figure 8 — Exit out of the furnace wall showing additional gaps and the location of mineral wool for cantilever system without additional support (Figure 6)
- Figure 9 — Point loads
- Table 3 — Minimum number of point loads per span [Go to Page]
- Table 4 — Limiting stress values [Go to Page]
- Figure 10 — Test arrangement for cable trunking system ceiling mounted
- Figure 11 — Examples for arrangements of installations from the ceiling
- Figure 12 — Test arrangement for cable trunking system wall mounted
- Figure 13 — Examples for arrangements of installations on the wall [Go to Page]
- Table 5 — Extended applications of test arrangements according to Figures 11 and 13 [Go to Page]
- Figure 14 — Test arrangement for conduit system and cable ducting system ceiling mounted
- Figure 15 — Examples for arrangements of installations from the ceiling
- Figure 16 — Test arrangement for cable ducting system and conduit system wall mounted
- Figure 17 — Examples for arrangements of installations on the wall [Go to Page]
- Figure 18 — Test arrangement for cable cleats below a ceiling
- Figure 19 — Typical arrangement for loading a ceiling mounted cleat with mandrels
- Figure 20 — Test arrangement for cable cleats designed for use with cable tray lengths, mesh cable tray lengths, cable ladder lengths and cable trunking lengths below a ceiling
- Figure 21 — Typical arrangements for loading a ceiling mounted cable cleat designed for use with cable tray lengths, mesh cable tray lengths, cable ladder lengths and cable trunking lengths [Go to Page]
- Figure 22 — Test arrangement for cable cleats on a wall
- Figure 23 — Typical arrangement for loading a wall mounted cleat with mandrels
- Figure 24 — Test arrangement for cable cleats designed for use with cable tray length, mesh cable tray length, cable ladder length and cable trunking length on a wall
- Figure 25 — Typical arrangements for a wall mounted cable cleat designed for use with cable tray lengths, mesh cable tray lengths, cable ladder lengths and cable trunking lengths [Go to Page]
- Figure 26 — Horizontal or inclined ceilings
- Figure 27 — Horizontally running fire resistant installations on vertical or inclined wall
- Figure 28 — Vertically running fire resistant installations on vertical or inclined walls [Go to Page]
- 7 Test report
- Annex A (normative) Extended application of test results to other assemblies
- Figure A.1 — Examples A to G for assemblies of cable tray system, mesh cable tray system and cable ladder system supported by pendant and cantilever bracket
- Figure A.2 — Examples A to G for assemblies of cable trunking system supported by pendant only
- Figure A.3 — Examples A to G for assemblies of cable trunking system supported by pendant and cantilever bracket
- Figure A.4 — Examples A to G for assemblies of cable ducting system and conduit system supported by pendant only
- Figure A.5 — Examples A to G for assemblies of cable ducting system and conduit system supported by pendant and cantilever bracket
- Table A.1 — Results for extending the test results to other assemblies according to examples in Figures A.1 to A.5
- Annex B (informative) Examples for the calculation of the tensile stress in all vertically oriented components
- Figure B.1 — Examples A to G for assemblies of cable tray system, mesh cable tray system and cable ladder system supported by pendant, cantilever bracket, and additional support
- Annex C (informative) Additional requirements for vertically running cable installations
- Figure C.1 — Example for effective support methods
- Figure C.2 — Example for effective support methods
- Bibliography [Go to Page]