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How can I power accessories if I have no suitable auxiliary port?
If you don't have an auxiliary port on your controller, but want to power some accessories, what can you do?
If that is a problem you are facing right now, you'll be pleased to hear that you have a few options. Firstly, you could buy a dedicated auxiliary transformer. They plug straight into a wall socket and have terminals rated at 12v DC making them perfect for powering most accessories. They are not the cheapest option and cost nearly as much as a new controller, but they are neat, professional and specifically made for the job.
Secondly, and if you are a little more confident, you could always just buy a second cheap analogue controller, but instead of powering track, use the feeds to power your accessories instead. If you are considering this option, you may want to use a voltmeter to check how many volts the controller is producing when turned up to full power. Although most will produce around 12v DC (the same as an auxiliary port), some older controllers can vary slightly.
The last option is probably the one you should consider the most. If you are at the stage where you are installing powered accessories onto your layout, it would suggest that you are looking to create something more advanced than an oval of track to run a few trains around with the kids. Have a good think about where your layout is going and how big is it likely to get. It may be that the time has come to upgrade to a controller more suited to your end goals rather than investing and then reinvesting as the layout grows.
Posted in: Power and control
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