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    Newbie Question: Use of diodes to isolate multiple relay NO outputs

    Hi Folks, I've installed ten 220VAC LED floodlights to the outside of a property. They are powered via 12VDC-220VAC relays. The relays are controlled via 'Smart Outputs' on an intruder alarm system (IAS) using a dedicated output card. The output card has 8, 12VDC relays, of which, 4 are...
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