mr.wolfie Posted February 2, 2013 Share Posted February 2, 2013 Since this is a Toyota forum, and Toyota is all metric, when we talk wiring, is it American Wire Gauge or Standard Wire Gauge? Just something that came across my mind after tracking down ALL the wiring in my wife's new 87 Mini-Cruiser... including the "Protech Electronic Rust Inhibitor"... yep, it's still there... and (finally) realizing that the converter/charger doesn't give the RV 110 power from 12v, only the other way around... but I know where the wires are! Oh! the breaker box has a green main, but the red and blue are what exactly? Is one for the fridge and the other for outlets? Quote Link to comment Share on other sites More sharing options...
zero Posted February 3, 2013 Share Posted February 3, 2013 Since this is a Toyota forum, and Toyota is all metric, when we talk wiring, is it American Wire Gauge or Standard Wire Gauge? Just something that came across my mind after tracking down ALL the wiring in my wife's new 87 Mini-Cruiser... including the "Protech Electronic Rust Inhibitor"... yep, it's still there... and (finally) realizing that the converter/charger doesn't give the RV 110 power from 12v, only the other way around... but I know where the wires are! Oh! the breaker box has a green main, but the red and blue are what exactly? Is one for the fridge and the other for outlets? I assume when I see "gauge" mentioned it is AWG, regardless if USA, Canada, British, or metric. The British Standard Wire Gauge (SWG) has been near obsolete for a long time. It seemed to go the same way as British Whitworth bolt sizes and wrenches. I've got stacks of British repair manuals from the late 1950s up to the 70s and none mention SWG in them. Usually AWG or the wire size is expressed in mms (for the diameter). My Toyota factory wire-schematic books don't mention wire size at all which is odd. Quote Link to comment Share on other sites More sharing options...
Maineah Posted February 3, 2013 Share Posted February 3, 2013 Green is usually ground in the panel, blue is from the converter and red from the battery. Do not hold that as 100% correct. The wiring on the other side of the fuses seems to be what they had on hand. The wire gauge is matched to load requirements. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted February 3, 2013 Share Posted February 3, 2013 Technically, AWG (American Wire Gauge) does not rule the World. A bit like the Inch. http://www.technick.net/public/code/cp_dpage.php?aiocp_dp=guide_awg_to_metric Quote Link to comment Share on other sites More sharing options...
mr.wolfie Posted February 3, 2013 Author Share Posted February 3, 2013 I assume when I see "gauge" mentioned it is AWG, regardless if USA, Canada, British, or metric. The British Standard Wire Gauge (SWG) has been near obsolete for a long time. It seemed to go the same way as British Whitworth bolt sizes and wrenches. Interesting, I've had to deal with both measurements when ordering stainless steel wire rings for making chainmaille from Canada, had no idea SWG was actually getting uncommon... good to know! This thread can probably be deleted or at least moved... doesn't really add much to the electrical forum, just couldn't resist saying something when the thought crossed my mind (blame 3rd shift... and wires that change colors 5 times in a single run...) Quote Link to comment Share on other sites More sharing options...
Derek up North Posted February 3, 2013 Share Posted February 3, 2013 SWG is, apparently, still the standard for guitar strings, if it makes you feel better. Electric guitars as well, I suppose! Quote Link to comment Share on other sites More sharing options...
waiter Posted February 3, 2013 Share Posted February 3, 2013 AWG is what you'll find in the Toyhouse. As for the breakers, this depends on who made your converter box. Mine didn't have a "main" breaker. My red one for the Air Conditioner, Most Toyhouses are wired for an A/C unit, even thou they don't have one. The Blue one was for outlets. ORIGINAL no main breaker, panel wired directly to shore power cable. Red - 20a - Air Conditioner circuit Blue - 15a - outletsWhen I upgraded my converter, I also modified my circuit breakers to be a little more useful. and rewired it so it now has a main. This is how mine is wired now. MODIFIED MAIN 20 amp RED (shore power cable)#1 15 amp - 12 Volt Power Converter#2 15 amp - Air Conditioner#3 15 amp - Outlets right side (including Frig)#4 15 amp - Outlets Kitchen and Sofa You can see the circuit breakers in these photosConverter UpgradeJohn Mc 88 Dolphin 4 Auto Quote Link to comment Share on other sites More sharing options...
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