Emergency Lighting Systems

Emergency Lighting (© K.Brown 2025)

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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2         3        
             
             
4    5             
             
       6        
             
  7             
8               
             
             

Across:

3. the BS standard for EM lighting (letters and numbers answer).
4. an emergency fitting that only lights during a power failure.
6. the device that enables switching between battery and mains.
8. there should be an EM light above one of these, in a building.

Down:

1. a mix of 'two' lighting systems in the same fitting.
2. an EM light that is always on.
3. self-contained power source
5. This light only lights during a power failure, and for at least 10,800 seconds minimum (letters and number answer).
7. how many seconds within an EM light must illuminate during a mains power failure.