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535 Posts
Lisa
Absolutely correct and expressed in simple to understand words (I hope its understandable by all?)


I touched on BUS wiring etc on the DCC forum today. See the item headed 'Wiring for DCC' where my offering is.

Hopefully my newly ordered DCC system is now winging its way across the Atlantic to me? So i'll be right in there BUSsing and CVing away!!!!
Brian
 

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Edwin
Excellent choice of wiring colours

I fully go along with the Red/Black DCC BUS and Yellow/Green for ac permanent supply BUS. What needs to be remembered too is the output of the poor old 16v ac power unit (Transformer) will need to be in the region of at least 50va or better still 75va or even higher at 16volts ac output. These aren't cheap!

You will need plenty of va output to allow all the points to multi gang operate, lights to be on in buildings, colour light signals (with grain of wheat lamps) and any station or street lights etc. Don't forget any dc needs too (Via a bridge rectifier connected across the 16v ac BUS.) to power LEDs in signals etc via dropping resistors. Yes , I know inverse diodes can be fitted across LEDs to enable them to work on ac, but how much easier it is to provide a 3 or 5 amp bridge rectifier to supply all the layouts LED (DC) needs and simply work in dc and use 470 or 560 ohm resistors!
 
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