Emergency lighting

Lighting that works when the normal supply fails, so people can find their way out. BS 5266-1 is the code of practice, and power comes from a battery in each unit, a central battery bank or a generator that starts automatically. In England and Wales, article 14 of the Regulatory Reform (Fire Safety) Order 2005 requires it on routes and exits that need lighting; Scotland and Northern Ireland have their own fire safety law. Guidance for England and Wales gives a monthly function test and an annual full discharge test as typical, not as a fixed rule for every site.

Where to look it up: BS 5266-1; SI 2005/1541 art 14 (England and Wales).

Using Emergency lighting in context

Reviewed

A distinction worth remembering

Emergency lighting is a safety service: it has its own source of power, so it keeps working when the normal supply fails. Compare a maintained fitting, lit in normal use too, with a non-maintained one, which stays dark until that supply fails.

Questions to take further

How can I revise Emergency lighting beyond the definition?
Explain what Emergency lighting describes, compare it with a related term and use it in a topic question. State any assumptions and what evidence you would need before applying the idea to real work.

Sources

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Where Emergency lighting fits in the learning path

The Commercial and Specialist Systems section covers these units:

  • Three-Phase Distribution and Motors
  • Fire Alarm and Emergency Lighting Circuits

See this section in the full curriculum

This section is on the Plus path. Lesson availability depends on content review and your learning path.

Read, practise, return

  1. 1. Read it in context

    • 2. Try recalling, then explore practice

      Use the memory prompt below to connect the vocabulary.

      Follow a topic above to explore how the term is used, then use the learning entry below to find your path.

    • 3. Return to the meaning

      After reading or practising, explain the idea in your own words, then check what you remembered.

      Revisit the Emergency lighting definition

    Recall a related term

    Which term fits this definition? Say it to yourself, then reveal it. This is a memory prompt, with no score or saved result.

    An emergency light that's lit in normal use and stays lit when the normal supply fails, often at lower output. A non-maintained fitting is dark until that supply fails. The design and the fire risk assessment decide which a space needs, and the difference matters on a test, because it changes what you expect to see lit and when.

    Open a meaning to compare its role with Emergency lighting, or follow its full entry.

    Maintained luminaire

    An emergency light that's lit in normal use and stays lit when the normal supply fails, often at lower output. A non-maintained fitting is dark until that supply fails. The design and the fire risk assessment decide which a space needs, and the difference matters on a test, because it changes what you expect to see lit and when.

    Read the Maintained luminaire entry
    Fire alarm category

    BS 5839-6's label for where a home's fire protection goes. LD3 covers escape routes such as hallways and landings, LD2 adds high-risk rooms such as a kitchen or main living room, and LD1 covers all areas where a fire could start. Read it with the grade, because one says where and the other says how. Other buildings come under BS 5839-1, with its own L, M and P categories.

    Read the Fire alarm category entry

    A definition is a start. Using it in a real question is where it sticks.

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