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.
Check
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.