outside sensor light?????

[gavindrummond]

Hi as I'm a student I need help with this. My missis ex has wired up an outside sensor motion detector light. And has supply has come off a 13amp fused spur in the kitchen. Am I right in thinking it needs a 3amp fuse in there as the 13amp fuse would never trip as its too high? I checked that it's on an RCD which is it so I'm happy with that. He wired it through the wall then on the outside cable clipped it up and across which was stupid as it should have gone straight through the wall at the actual lighting point through the joists then run down and chased in the wall in the kitchen. I have some pictures as I run it in conduit today. Reasons being to give it more mechanical protection and it looks smarter than what he did.

 

[Zeespark]

What is the Wattage requirement for the outside light Gavin?

AndyGuinness

 

[NozSpark]

TBH I would have done it in a similar way,,, however I would have terminated into an adaptable box with flex through a stuffing gland

 

[m4tty]

TBH I would have done it in a similar way,,, however I would have terminated into an adaptable box with flex through a stuffing gland

+1 ^^ but still nice job tho.

 

[kerching]

I think it would benefit from a couple more saddles on the vertical and another near that coupling on the horizontal, just my opinion ... :coat

 

[m4tty]

I think it would benefit from a couple more saddles on the vertical and another near that coupling on the horizontal, just my opinion ... :coat

+1 I was thinking abou the horizontal bit more as it will bow down after a while

 

[gavindrummond]

Steps it can go up to 400 watts on the light but I bought 120 today I spent around

 

[Zeespark]

A 3A fuse would be fine then, what sized cables are feeding it?

AndyGuinness

 

[NozSpark]

+1 I was thinking abou the horizontal bit more as it will bow down after a while

With the coupler in there, definately

 

[gavindrummond]

It's a cord cable zee I know it's already got mechanical protection to it and strictly speaking I should only be running single core PVC cables due to conduit space and ambient temp wise, but I felt it needed more strength to it as it originally was only cable clipped.

The cable size on the incoming supply is 4mm

 

[batty]

What amazes me is that developers are so tight they don't put a light in the first place.

 

[AK-UK]

Hi,

If the supply cable is 4mm all the way to the fused spur, you can leave it as 13A. BTW; we can always find something wrong with a finished job, and always think that there is a better way to do it. I think that it looks fine...

 

[SLIPSHOD & SLAPDASH]

Hi,If the supply cable is 4mm all the way to the fused spur, you can leave it as 13A.

???

 

[Ash]

I think it would benefit from a couple more saddles on the vertical and another near that coupling on the horizontal, just my opinion ... :coat

Not to be bitchy, but he's done it perfectly in line with the onsite guide.

1.75m spacing vertical

Table 4C

 

[gavindrummond]

Thanks mate

 

[Jono Pashley]

Not to be bitchy, but he's done it perfectly in line with the onsite guide.1.75m spacing vertical

Table 4C

But experience says that its not enough hense the comments. Dont want your conduit looking like a snake after 6 months