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The Natural Philosopher[_2_] The Natural Philosopher[_2_] is offline
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Default DIY: Separating mains and low voltage cables in trunking

On 26/10/2018 16:47, Bob Minchin wrote:
Tricky Dicky wrote:
I am looking to use some 50mm X 50mm trunking around the garage to
take mains wiring. I would also like to run some Cat5e cables in the
trunking but I cannot find any that will take a separator and was
wondering if it was acceptable to install smaller trunking within the
larger one and enclose the low voltage cables within?

Richard

I could be wrong but had always assumed the requirement was based on the
need for separation between power and data to reduce
interference/inductive/capacitive coupling.

Putting trunking within trunking might increase the electrical
insulation but the mains cable itself should have more than adequate
insulation anyway.


No. IIRC the whole idea was to put AT LESAST two layers of insulation
between mains and datas. Trunking need not carry T & E - it can carry
solid core mains in single conductors.

Again the whole idea is to prevent shock from the data wiring should it
all chafe through.


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