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Old August 2nd 20, 12:42 PM posted to uk.d-i-y
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Default Shed supply in conduit??

Hi All,

In the olden times, my Readers Digest DIY book said the two approved ways to get a supply to a shed were either burial (probably SWA) about a foot to 18 inches deep or else. Attaching to a wall (NOT a fence) at about 6 foot high. A catenary may have been a third option.

Is there a fourth option that is refs compliant??

I am thinking of running heavy duty metal conduit close to the ground and fixed to the concrete posts that hold the fence panels (so six foot centres I think).

Would this be compliant with either PVC, or SWA in it?
Presently the extension lead is used for HiFi, lighting and a 2KW Heater and comes of a spur from a 20A (MCB with an RCD feeding it Radial circuit (I THINK it may be a ring, but don’t KNOW the topology, so had 20A MCBs fitted rather than 30A). I am thinking to run either 4mm or 6mm. I could give it a dedicated supply from the CU at extra cost.

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Old August 2nd 20, 12:48 PM posted to uk.d-i-y
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Default Shed supply in conduit??

On 02/08/2020 12:42, wrote:
Hi All,

In the olden times, my Readers Digest DIY book said the two approved
ways to get a supply to a shed were either burial (probably SWA)
about a foot to 18 inches deep or else. Attaching to a wall (NOT a
fence) at about 6 foot high. A catenary may have been a third
option.

Is there a fourth option that is refs compliant??

I am thinking of running heavy duty metal conduit close to the ground
and fixed to the concrete posts that hold the fence panels (so six
foot centres I think).


You could do that...

Would this be compliant with either PVC, or SWA in it?


SWA would be kind of pointless (i.e. you could run that, with it sat on
the ground against the fence)

Its easier to get singles through conduit than normal T&E

Presently the
extension lead is used for HiFi, lighting and a 2KW Heater and comes
of a spur from a 20A (MCB with an RCD feeding it Radial circuit (I
THINK it may be a ring, but don’t KNOW the topology, so had 20A MCBs
fitted rather than 30A). I am thinking to run either 4mm or 6mm. I
could give it a dedicated supply from the CU at extra cost.


The general advice is the cable is cheap compared to the effort of doing
it, so opt for the bigger one to leave more options open in future.


--
Cheers,

John.

/================================================== ===============\
| Internode Ltd -
http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/
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Old August 2nd 20, 02:12 PM posted to uk.d-i-y
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Default Shed supply in conduit??

I had PVC against the fence, but my wife kept cutting it with shears / secateurs.

Would SWA on the ground against the fence take any harm from garden implements?
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Old August 2nd 20, 03:34 PM posted to uk.d-i-y
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Default Shed supply in conduit??

I'd bury swa in a trench instead of buggering about. You only need to do it once if you do it right. It might be handy to lay it inside a bit of duct in case you wish to make upgrades or alterations in future.
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Old August 2nd 20, 04:08 PM posted to uk.d-i-y
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Default Shed supply in conduit??

On Sunday, 2 August 2020 12:42:28 UTC+1, wrote:
Hi All,

In the olden times, my Readers Digest DIY book said the two approved ways to get a supply to a shed were either burial (probably SWA) about a foot to 18 inches deep or else. Attaching to a wall (NOT a fence) at about 6 foot high. A catenary may have been a third option.

Is there a fourth option that is refs compliant??

I am thinking of running heavy duty metal conduit close to the ground and fixed to the concrete posts that hold the fence panels (so six foot centres I think).

Would this be compliant with either PVC, or SWA in it?
Presently the extension lead is used for HiFi, lighting and a 2KW Heater and comes of a spur from a 20A (MCB with an RCD feeding it Radial circuit (I THINK it may be a ring, but don’t KNOW the topology, so had 20A MCBs fitted rather than 30A). I am thinking to run either 4mm or 6mm. I could give it a dedicated supply from the CU at extra cost.


Metal conduit is fine but AIUI you can't fix it to a temporary structure.


NT


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Old August 2nd 20, 04:48 PM posted to uk.d-i-y
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First recorded activity by DIYBanter: Jul 2006
Posts: 23,781
Default Shed supply in conduit??

On 02/08/2020 16:08, wrote:
On Sunday, 2 August 2020 12:42:28 UTC+1, wrote:
Hi All,

In the olden times, my Readers Digest DIY book said the two approved ways to get a supply to a shed were either burial (probably SWA) about a foot to 18 inches deep or else. Attaching to a wall (NOT a fence) at about 6 foot high. A catenary may have been a third option.

Is there a fourth option that is refs compliant??

I am thinking of running heavy duty metal conduit close to the ground and fixed to the concrete posts that hold the fence panels (so six foot centres I think).

Would this be compliant with either PVC, or SWA in it?
Presently the extension lead is used for HiFi, lighting and a 2KW Heater and comes of a spur from a 20A (MCB with an RCD feeding it Radial circuit (I THINK it may be a ring, but don’t KNOW the topology, so had 20A MCBs fitted rather than 30A). I am thinking to run either 4mm or 6mm. I could give it a dedicated supply from the CU at extra cost.


Metal conduit is fine but AIUI you can't fix it to a temporary structure.


Well there is temporary and temporary... concrete fence posts are
unlikely to blow away.


--
Cheers,

John.

/================================================== ===============\
| Internode Ltd -
http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/
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