 | Home > In Car Electronics > Wiring help for 12V battery to sockets? |
 
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2198   
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I suggest a 20A power socket (like a cigarette lighter) with a 20A fuse and 2mm^2 thinwall cable.
Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale Mobile Diesel Heater Build Thread |
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27th Jun 2018 1:07pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19560
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As above an the Bluesea sockets are very good. 👍🏻 Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
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27th Jun 2018 1:09pm |
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| Imax Member Since: 09 Apr 2018 Location: South West England Posts: 28
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Thanks for the info - Looks like I might go with recommended 12V sockets you suggested. I did get some others but the Bluesea sockets look good.
Cheers |
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27th Jun 2018 2:46pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16870 
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I love the way the current draw is quoted in Amp-hours per hour! That would be Amps, then.
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27th Jun 2018 5:14pm |
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| Ramsay Member Since: 30 Sep 2015 Location: Moffat, Dumfries & Galloway Posts: 625  
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OK I am somewhat confused by the Waeco figures.
If it requires 35 Watts on a nominal 12V dc supply that is 2.91 Amps. Is it then saying it consumes 0.67 A in operation? Seems a low amount for a fridge cooling to 5 deg. Is the 2.9 Amps the draw when it is freezing to -18 ? 1995 Defender 110 CSW 1971 SIIA Lightweight |
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27th Jun 2018 5:22pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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That's because compressor fridges operate intermittently. The lower figure will be an approximate average. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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27th Jun 2018 5:29pm |
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| 8619simon Member Since: 05 Nov 2016 Location: North Wales Posts: 227  
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Try this site:
https://www.12voltplanet.co.uk/cable-sizing-selection.html You can feed in current draw and size of wire and it will give you the voltage drop over distance. Depending how far your sockets are from the battery you may need to go up a size. Always add in a good safety factor on the size of wire. Too many systems are designed with cables sizes too small for the distance and you end up with insufficient voltage / current at the end. |
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27th Jun 2018 5:56pm |
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| Imax Member Since: 09 Apr 2018 Location: South West England Posts: 28
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Thank you for the info - I had a chat with a local company who generally do VW conversions and they said the same regarding the wire. Just need to get my Blue Sea sockets order and my cool box to be wired in on the 11 July.
First short trip planned for the weekend after... |
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28th Jun 2018 4:44pm |
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| Imax Member Since: 09 Apr 2018 Location: South West England Posts: 28
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Leisure battery installed along with some blue sea sockets - the blue sea sockets are much better than the others I had purchased. Also had to purchase a dedicated 20amp socket for the cool box.
Battery has been installed under the new load area which has worked well and they have been able to use existing access points for cables etc. |
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20th Jul 2018 12:30pm |
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