PVC DISTRIBUTION CABLES (Bells Cables)
SPECIFICATION
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Description : conductors
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Plain soft(annealed) copper wire – SABS 1411 P 1 Class 2 .
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Insulation:
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PVC extruded cores .
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Bedding:
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PVC Black mainly (Available in various grades and colours of PVC) Configuration:
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Specification:
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SABS 1507 Part 3 : PVC Distribution Cables
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Application:
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Fixed installation
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Identification:
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Sheath Embossed + Coloured stripe to indicate the Grade of PVC (see below)
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Colour of stripe:
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RED (FR)
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Grade of PVC
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Flaretardant only
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ALL REDUCED FLAME PROPAGATION
* Continuous operation at 70°C ; ambient air temperature 30°C ; installed in free air ; not coiled or blanketed; multiple cores equally loaded at an operating frequency of +/- 50 Hz.
ALL REDUCED FLAME PROPAGATION
Used for mains distribution in:- street lighting as well as industrial, residential and commercial premises.
These cables may be :- buried directly in the ground, installed in pipes, on racks or pinned directly to the wall.
NB!
- The correction factors stipulated in SANS 10142-1:2003 must be adhered to
- The low halogen and Halogen Free cables can be used as above as well as in confined areas such as offices and
Codes for the various PVC Grades
FR > Reduced flame propagation
LHLSFR > Low halogen, low smoke and reduced flame propagation
NHLSFR > No halogen, low smoke and reduced flame propagationCore Colours NB!
2C red, black (red, yellow & blue are the phase cores)
3C red, yellow, blue (Black, if present, is the neutral core)
4C red, yellow, blue, black (Green/yellow, if present, is the earth core)
7C red, yellow, blue, black, violet, brown, orange