Daniel Smith Posted January 18, 2011 Share Posted January 18, 2011 Hi, Excuse the simplistic question but I can't find this anywhere, what is BAC cable? It's used in various studios, I used it in shepperton where we fed three phase .2 BAC into 63a breakout boxes, but, what is BAC? What does it stand for, who distributes it? Thanks. Link to comment Share on other sites More sharing options...
JD Hartman Posted January 21, 2011 Share Posted January 21, 2011 Did it look like this: http://www.tmx-electrical.co.uk/product/154-Panel-Mount-Ceeform-Appliance-Inlets-IP67.html Link to comment Share on other sites More sharing options...
Daniel Smith Posted January 23, 2011 Author Share Posted January 23, 2011 No it wasn't C-form, it's similar to camlock and powerlock, I've since found this document on it: http://www.stagesafe.co.uk/user_files/Changes.pdf (Type 1 connector) Not that it matters.. I just thought for something that's used in larger studios (all over Shepperton) for power distribution there would be more information on it, no one really seems to know where it comes from, it's just, there. Link to comment Share on other sites More sharing options...
Jonathan Bowerbank Posted January 23, 2011 Share Posted January 23, 2011 Oh, those things ;) Link to comment Share on other sites More sharing options...
JD Hartman Posted January 23, 2011 Share Posted January 23, 2011 What is the logic behind using blue or black to designate the neutral? Is that practice common anywhere outside of the U.K. and it's former colonies? The new style keyed connectors are a good idea, an attempt to make things idiot proof. Link to comment Share on other sites More sharing options...
Daniel Smith Posted January 23, 2011 Author Share Posted January 23, 2011 I can't understand the new colour coding in the UK. I'm sure there's a good reason behind it but, red yellow blue and black for neutral was pretty unmistakable, brown grey black and blue are difficult to see in low light and could be mistaken. Colours degrade over time and especially in dirty studio environments. And getting things wrong with 400a three phase isn't funny or clever. Link to comment Share on other sites More sharing options...
Ian Cooper Posted January 24, 2011 Share Posted January 24, 2011 I can't understand the new colour coding in the UK. I'm sure there's a good reason behind it... I don't think there was any logic behind the change - just necessary for the UK to fall into line with what Europe wants to do. Unfortunately in the real world it just means everyone has to learn two systems, and as for the 'blue' and 'black' having now swapped functions... :rolleyes: Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted January 24, 2011 Premium Member Share Posted January 24, 2011 The new (well, not so new now) 3-phase wiring in the UK is downright dangerous. Single phase 240V was always blue (neutral) and brown (live), whereas 3-phase was red, yellow and blue, with earth being green or green and yellow in all cases. As our previous correspondent correctly points out, black, grey, brown and blue, in concert with a huge installed base of red yellow and blue, is just absolutely crazy. I don't think anyone believes it's anything other than a terrible idea. P Link to comment Share on other sites More sharing options...
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