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Outer Sheath Cable Colour

R J

Is there any guidance, best practice or standard when selecting cables dependant on the use of the circuit? As for example a Red cable will usually indicate a Fire system cicuit, a Yellow cable would indicate a 110v CTE construction supply.

I'm aware of the Table 2 in the IEC 60309 relating to plug and socket colours, but I'm sure I've seen some guidance in the past relating to cables also.

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  • 0

    Yes it is an XLPE cable not a rubber one, as you can see from the temperature rating. The sheath colour is very unimportant, it is useful to use bright colours for flexible cables in some environments, garden stuff seems to like orange, and site cables are yellow or blue depending on voltage, but they are all made to BS6500 and the usual 250/400V rating. This green SWA has a higher voltage rating and is obviously aimed at the chemical industry, but I have never seen it as DNO usage in the UK, they are usually black or red sheathed for HV.

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  • 0

    Yes it is an XLPE cable not a rubber one, as you can see from the temperature rating. The sheath colour is very unimportant, it is useful to use bright colours for flexible cables in some environments, garden stuff seems to like orange, and site cables are yellow or blue depending on voltage, but they are all made to BS6500 and the usual 250/400V rating. This green SWA has a higher voltage rating and is obviously aimed at the chemical industry, but I have never seen it as DNO usage in the UK, they are usually black or red sheathed for HV.

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