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Spotlight relays and fuseboxes

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cardiff_gareth:
Halfrauds want £6.50 ish for their replays, Maplins want a lot less £1.98 for the 30amp and £2.70 for the 40amp

http://www.maplin.co.uk/module.aspx?ITAG=FAQ&ModuleNo=37526&doy=13m7#faq

With regards to the replays would the 30amp or the 40amp be better  

I'm wiring up a set of 4 halogen spots for the roof bar and also 2 halogen spots for the A bar.

I was thinking of getting 3 x 30amp/40amp relays, a 4 slot fuse box, all encased in a thermoplastic waterproof box so they'll all be fused relays in a homemade fusebox. Make it look at tidy and waterproofed.

Is this the right way to do it  :?:  and also where would you say was the best place to mount it when completed  :?:

chris9119:
I would use the 40amp fused relay type. Depending upon your wading requirements, you could just mount them under the dash in the passenger footwell area :idea:

Chris

ScrapyJape:
Will all your lights be 55w or are you going for 100w?

if they are all 55w with 6 lights is 330w or at 100w is 600w

330w at 12v is 27.5 amps
600w at 12v is 50 amps if my working is right

but the size of cable to run that amount of amps is really hard to fix on the "normal" relays i would split them to roof and front or even in 3 with the 30amp relays and dont skimp on the wire make sure you get the right rating or your lights will be dull and getting really warm.

I got 8 spots on mine 4 on the winchbumper and 4 on the roof and i got problems with the alternater now lol.

cardiff_gareth:
Well bought 3 of the 40amp relays as thought more amps is better than less :lol:  Also got one of these:
http://www.maplin.co.uk/Search.aspx?criteria=jk25c&source=15&SD=Y
Looks cool as :P
Do I need to get a dashboard light to keep Mr MOT man happy?
Also going to get the said 4 slot fuse holder and going to make a home madefuse box.

What strength or thickness cable do I need, I've seen these:
http://www.maplin.co.uk/module.aspx?ITAG=FAQ&ModuleNo=20666&doy=13m7#faq

http://cgi.ebay.co.uk/40-AMP-POWER-CABLE-RED-BLACK-HIGH-GRADE-IN-5m-LENGTHS_W0QQitemZ330145857090QQihZ014QQcategoryZ108846QQrdZ1QQcmdZViewItem

Looked on Halfords website, I know they sell cable but can't find it on thier stupid rubbish but user friendly website  :evil:

ScrapyJape:
Check   http://www.rapidonline.com/   out it is much better than maplin (or how Maplin used to be)

http://www.rapidonline.com/netalogue/specs/01-1800e.pdf that should give you a idea of the cable size you need,

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