Power Adapter Positive and Negative Tips

Friday, August 31, 2018

Bush Australia Radio model BR25DAB specifications Positive centre tip symbol  Image 1. Positive centre tip.

Negative centre tip symbol.Image 2. Negative centre tip.


When selecting a suitable switch-mode power supply adapter for your electrical devices you must ensure the polarity is compatible. For example power adapter plugs can have a positive or negative centre / tip. The Bush Australia model BR25DAB radio power adapter has a positive centre / tip. You can usually find out which centre tip power adapter type your device has by looking at the rear specifications. Furthermore it will display a universal polarity image for identification. For instance the DAB Bush Australia radio lists the specifications as such above image.

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