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Do-It-Yourself (DIY) Question & Answer Forum
Emergency lighting circuits!
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<blockquote data-quote="ProDave" data-source="post: 93704" data-attributes="member: 6969"><p>I did a PIR at our village hall recently and this is how it was wired:</p><p></p><p>There were about 8 seperate lighting circuits covering the whole building. Each lighting circuit had at least one emergency light wired to it, usually at least 2 on each lighting circuit.</p><p></p><p>In the DB (3 phase) the output from each lighting circuit MCB' is fed through a contactor, so two 4 pole contactors in the DB.</p><p></p><p>The EM lighting test point was wired to de energise both contactors, so it turned off all the lights in the whole building. You then go around and check all the emergency lights have come on.</p><p></p><p>Each emergency light is configured in "non maintained" mode, so normally they are off.</p></blockquote><p></p>
[QUOTE="ProDave, post: 93704, member: 6969"] I did a PIR at our village hall recently and this is how it was wired: There were about 8 seperate lighting circuits covering the whole building. Each lighting circuit had at least one emergency light wired to it, usually at least 2 on each lighting circuit. In the DB (3 phase) the output from each lighting circuit MCB' is fed through a contactor, so two 4 pole contactors in the DB. The EM lighting test point was wired to de energise both contactors, so it turned off all the lights in the whole building. You then go around and check all the emergency lights have come on. Each emergency light is configured in "non maintained" mode, so normally they are off. [/QUOTE]
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Emergency lighting circuits!
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