December 9, 2018 10:55 am
Ok, not one of my usual blog posts. I get a lot of email asking about various electrical items related to caravans and motorhomes and a few things seem to keep cropping up on a regular basis. One is to do with 12 volt relays… what types are there and what are the pin connections.
Another is to do with cable size relating to load and its relation to the length of cable…. “I have a 40 Amp load and its 3 metres from the battery… what size cable do I need?” type questions.
In the past I’ve emailed back with answers, but one caravan engineer asked me if I know of any information sheets that had this type of info that he could put above his workbench.
So I’ve produced a couple of A3 size PDF information sheets (they will print A4) that can be downloaded printed out and pinned up, shoved in your notebook, glued to the lid of your tool box or used to wrap that must have tool present for your beloved caravan or motorhome DIY enthusiast in your life (seasonal eh!)
(I have been told that Office World can print and laminate A3 PDF’s cheaply…. I never knew that!)
I have stylised them as technical drawings and I’ve had to watermark them and some of the icons as I found a lot of my drawings were ending up “as is” or edited on various sites and forums without any credit or link back to Caravan Chronicles. You are free to print out and use them for your own personal use, but if you wish to use them (or any of my drawings) for commercial use, inclusion in blog posts or forums please include a credit line back to CaravanChronicles.com and drop me a line to let me know.
We are just back from Chester Fairoaks after doing the Chester Christmas market and a bit of shopping at Cheshire Oaks Designer Outlet Village and will be adding off to York for a bit more Christmas Market action.
I have a couple of more information ‘posters’ in development but if you have any ideas for future offerings, drop a line in the comments below. Of course my legal advisor – Henry has asked me to point out E & OE
(Everything on the internet is improved by a cat apparently… so here’s Henry)
Posted by Simon Barlow
Categories: Blog updates, Caravan Electrical Fault Finding, Caravan Electrics, Caravan Fault Finding, Caravan Servicing, Electrical, General, Help Guides, Maintenance, Motor Home, Technical
Tags: Fuse Voltage Drop Table, Relay Wall Chart, Technical, Wire Size Chart
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Super, that is so useful
By Mike Durrans on February 5, 2019 at 8:39 pm
Excellent useful information – not just for caravanners of course. Although as a dyed in the wool solderer I view those pre-insulated crimp connectors with some dismay.
I restore old motorcycles and one of my pet hates is to see a beautiful Norton etc with those tell-tale red and blue sleeves…..
By Ian Soady on July 22, 2019 at 10:35 am
I know the feeling Ian. I was soldering projects from the age of about 10 or 11 making my own circuits on Vero board and love the look of a perfect solder joint. However, for some applications where vibration is an issue (aircraft wiring for example) crimp joints are superior for electro-mechanical connections. For vintage aircraft I always try to hide crimp joints or wax lace cotton wrap them where I can to look original period.
By Simon Barlow on July 22, 2019 at 11:29 am
Brilliant! This helps me with a few issues (e.g. fitting an old car horn to my tractor mower!). I will be printing all the sheets for adding to my collection of ‘Really Useful Articles’. A minor irritation is the US spelling; ‘colors’ and ‘gray’. Oh, and a typo on Sheet 002: ‘Don’ instead of ‘Don’t’. (Sorry, but I’m a bit old fashioned in these things!)
I look forward to your next post.
By Diwali on December 9, 2018 at 12:38 pm
Hi
I’ll sort out the spelling on the next issue… for some reason using US spelling seems to fair rather better in search engines than UK spelling.
By Simon Barlow on December 9, 2018 at 1:16 pm