Discuss Lighting with pirs and emergency in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

Singles will make the job easier, feed to klik box, pir to switch switch feed, unswitched feed off klik to Em supply
 
Wire it as any lighting circuit with E-Lights.

The switch line goes to the PIR (requires Neutral)
The permanent live goes via a keyswitch

Personally I would two plate this so that the feed to the PIR for the switch line is linked off the E-Switch so that when operated it kills the power to the normal lights and thus makes it simpler to assess the brightness and operation of the E-Lights.

Here is a simple graphical example of my comments for you..

PIR and E_lights.jpg
 
If you want to leave the normal lights on when you test the emergencies you'll need to take a separate emergency feed from the keyswitch, ie 3 core. Otherwise you can take a twin feed as far as the PIR, take the live feed from the permanent live (A) and take the switched live back into the L terminal. You'll need a 3 core between the PIR and emergency fitting, then twin to the rest.
 

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