UK's Webro adds copper-clad aluminium alarm cable range to their portfolio

Copper-clad aluminium (or CCA as it is frequently known) has an aluminium conductor with a thin copper coating. Common consensus is that CCA cables, although lighter and cheaper than full copper equivalents, can often give substandard performance when compared to full copper cables. This is because aluminium has a much higher resistance than copper. In an alarm situation, this means that CCA cable could produce more false readings and false alarms than full copper cables. Copper-clad aluminium cables are often less robust than full copper, and can be prone to fatigue at the point of termination, which can lead to more random faults over time.
Despite all this, there are situations where CCA alarm cabling makes sense. On short cable runs for example, resistance is less of a problem. But the most common reason people use CCA cable is price, as aluminium is cheaper than copper. For this reason, many installers use copper-clad aluminium cable for commercial contracts where cost is the primary concern, and cable runs can be kept short.
Cabnex is available in a range of core counts (from 4-30, and a range of sheath types, including LSF, with a range of screening options. Not only that, but Cabnex is also fully compliant with Type 3 of the BS4737 Section 3.30 alarm cable standards, ensuring that the cable being used meets the required standards.
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