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tac-tech

Discussion

Watt the ??? What do you mean W=VA?

It’s always good to perform some basic power calculations before specifying or purchasing a suitable power supply (or power supplies) for your project.

Seems simple enough – Once you’ve decided on the operational voltage, just take the current draw of each device that needs to be powered and add them together.
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Discussion

Why bother using Power Distribution in Modern Security Systems?

So you have a number of devices (cameras, locks, detectors, etc) that you need to terminate and power up – you could just connect them all to the same set of terminals on your power supply or (if there were too many cables to fit in the terminals) connect up using a piece of terminal strip and just parallel them all – that would be a bit messy and time consuming, but would probably work.
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