Wiring specifications for many public buildings now call for LFH cables to be used in certain areas, notably in corridors, risers etc. Under combustion circumstances LFH cables have a significantly reduced smoke emission and the gaseous products contain no toxic halogens.
VTS-LFH is technically identical to standard , except that insulation and jacket materials are replaced by LFH (low fire hazard) materials. This makes no difference to the electrical properties, but the cable is very slightly stiffer. VTS Technical Specification:
PSF1/9M (PUR jacket versions only)
1/1.4mm silver plated copper (1.53mm²)
Cellular polyethylene, 6.3mm diameter
95% cover braid 0.15mm silver plated copper
Solid polyethylene, 8.5mm diameter
95% cover braid 0.15mm plain copper
LFH compound,11.0mm OD, red
PVC, 11.0mm OD, red
75 ohms ±3 ohms
Attenuation at 1MHz:
Attenuation at 10MHz:
Attenuation at 100MHz:
Max. voltage (peak):
Available in any multiple of 1 metre
Printed with the words "DRAKA TRIAX 11 - Y - HDTV"
'LFH' is a registered trademark of Canford Audio Limited.