Discuss Is this twisted cloth flex double or single insulated? in the Electrical Forum area at ElectriciansForums.net

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Hi Folks

Just bought some of this Bronze Twisted Fabric Flex - Braided Cloth Cable Lighting Wire - https://www.industville.co.uk/products/light-brown-twisted-fabric-flex-braided-cloth-cable-lighting-wire?variant=1184660808&gclid=EAIaIQobChMI14zguOzl3wIVRbDtCh2C9QQCEAkYASABEgJA0fD_BwE for a job. The description says double insulated but the BS EN number quoted is for single. I've received it and there is one layer of plastic (presumably PVC) insulation and the woven sheath. Does the sheath provide the double insulation as the seller seems to imply? I'm a little bit dubious.
 

Taylortwocities

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Arms
Esteemed
Its double insulated
Nah, its insulated and sheathed.

In fact, none of the cables used in normal domestic cabling are double insulated. That includes twin&earth and (shock horror) meter tails. They are insulated and sheathed.
 
Last edited:

Pete999

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Arms
Hi Folks

Just bought some of this Bronze Twisted Fabric Flex - Braided Cloth Cable Lighting Wire - https://www.industville.co.uk/products/light-brown-twisted-fabric-flex-braided-cloth-cable-lighting-wire?variant=1184660808&gclid=EAIaIQobChMI14zguOzl3wIVRbDtCh2C9QQCEAkYASABEgJA0fD_BwE for a job. The description says double insulated but the BS EN number quoted is for single. I've received it and there is one layer of plastic (presumably PVC) insulation and the woven sheath. Does the sheath provide the double insulation as the seller seems to imply? I'm a little bit dubious.
No Most cable flex is single insulated the extra covering is a sheath nothing else, except of course large cables used underground where you ill have several layers of insulation and armoring, in the domestic field no cable is double insulated, especially the one you have been sold
 
To be honest I just read the webpages info without reading the original post.

Lesson learnt there! My first disagree.

On a serious note it does prove the point that doing your homework pays off.
 
S

Squid

If there is no earth cable then surely it is "double insulated" maybe not as the outer sheaf is a material and not a plastic. A two core flex I believe is double insulated.
 

Pete999

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Arms
If there is no earth cable then surely it is "double insulated" maybe not as the outer sheaf is a material and not a plastic. A two core flex I believe is double insulated.
The Sheath is there as a bit of mechanical protection, but it's not double insulated, regardless if there is an earth core or not.
 
The technical info does state two layers of pvc however, to say it is double insulated is somewhat tenuous.
 

telectrix

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Mentor
Arms
Esteemed
basically the outer sheath/covering is not rated as insulation. it has not been tested to the relevant standard to prove it's insulation value, so to speak.
 
S

Squid

So guys tell me then or list up double insulated cables, also if companies advertise T+E as double insulated then are they breaking the trades description act?
 

Pete999

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Arms
So guys tell me then or list up double insulated cables, also if companies advertise T+E as double insulated then are they breaking the trades description act?
Which companies list their cable as double insulated?
 

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