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Emergency Lighting Installation & Testing

Professional emergency lighting installation and testing by qualified electricians. Maintained and non-maintained systems for commercial premises and HMOs. BS 5266 compliant. Qualified and insured.

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Emergency Lighting Installation & Testing

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How it works

1

Fire risk assessment review and design

The electrician reviews the premises' fire risk assessment to identify escape routes, final exits, changes of direction, stairways, and high-risk areas requiring emergency lighting. A design is prepared to BS 5266-1, specifying luminaire positions, types (maintained or non-maintained), lux levels, and battery duration. An emergency lighting plan is drawn up showing all luminaire positions.

2

Luminaire installation

Emergency luminaires are installed at each required position — above final exits, at changes of direction in corridors, on stairways, at intersections, near fire alarm call points and firefighting equipment, and in windowless rooms over 60m². Exit signs with directional arrows are fitted above all final exits and along escape routes.

3

Wiring and battery systems

Each self-contained luminaire has an internal battery, charging circuit, and changeover relay. The electrician connects each unit to a permanent mains supply (not a switched lighting circuit) so that the battery charges continuously. For central battery systems, a battery cabinet is installed with dedicated wiring to each luminaire.

4

Commissioning and full-duration test

The system is commissioned by simulating a mains failure and verifying that all emergency luminaires activate within 5 seconds, illuminate the escape route to the required lux levels, and operate for the full rated duration (typically 3 hours). Light output at each luminaire position is measured with a lux meter. Any underperforming units are replaced or repositioned.

5

Certification and log book setup

A commissioning certificate is issued in accordance with BS 5266-1. An emergency lighting log book is set up (or updated) recording all luminaire positions, test dates, and results. The monthly functional test and annual full-duration test schedule is explained to the responsible person. A testing sticker is applied to each luminaire showing the test date.

What's included

Fire risk assessment review for escape route identification
Emergency lighting design to BS 5266-1
Emergency lighting plan drawing
Supply and installation of self-contained emergency luminaires
Illuminated exit signs with directional arrows
Mains wiring to each luminaire (permanent supply)
Full-duration commissioning test (3 hours)
Lux level measurement at each position
BS 5266-1 commissioning certificate
Emergency lighting log book setup
Monthly and annual test schedule documentation
Guidance on responsible person duties

What's involved

Emergency lighting provides illumination when the normal mains lighting fails — guiding occupants safely to exits during a power cut or fire. The installation covers both maintained systems (emergency lights that are always on, doubling as normal lighting) and non-maintained systems (lights that only activate when mains power fails). Emergency lighting is a legal requirement in all commercial premises, HMOs, and communal areas of residential buildings. The installation includes luminaire positioning to BS 5266 standards, battery backup systems, exit signage, and the ongoing monthly functional testing and annual full-duration testing required by law.

Emergency lighting is a legal requirement under the Regulatory Reform (Fire Safety) Order 2005 for all non-domestic premises and communal areas. It must comply with BS 5266-1 for design and installation, and BS EN 50172 for maintenance and testing. The system must provide a minimum of 1 lux along escape routes and 0.5 lux in open areas for at least 3 hours on battery power. Incorrect positioning, insufficient lux levels, or untested batteries leave occupants at risk in an emergency and expose the responsible person to criminal prosecution. Installation, commissioning, and annual testing must be carried out by a competent person.

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Typical cost: £200–£800per installation

Every job is different — pricing depends on your property, location, and specific requirements. Describe what you need and a qualified electrician will quote you directly.

How long does it take?

3-6 hours for a small premises (5-10 luminaires). 1-2 days for a medium commercial premises (15-30 luminaires). The full-duration commissioning test adds 3 hours at the end of the installation. Large or complex buildings may take several days.

Regulations & safety

Safety notice

Emergency lighting is a life safety system — it exists to protect people during evacuations. Non-functional emergency lighting during a fire or power failure can lead to panic, falls, and fatalities. The responsible person has a legal duty to ensure the system is tested and maintained.

Self-contained emergency luminaires must be connected to a permanent (unswitched) mains supply so that the battery charges continuously. Connecting them to a switched lighting circuit means the battery drains whenever the lights are off, and the luminaire may not function when needed.

Monthly functional tests and annual full-duration tests are a legal requirement, not optional maintenance. Failure to carry out and record these tests can result in enforcement action by the fire authority and invalidates fire insurance.

Do not assume emergency lighting is working because the green charge indicator is lit. The indicator only confirms the battery is charging — it does not confirm the luminaire will operate for the full 3-hour duration. Only a full-duration annual test confirms this.

BS 5266-1:2016 — Emergency Lighting Code of Practice

The primary British Standard for emergency lighting. It specifies design requirements including luminaire positioning, minimum illuminance levels (1 lux on escape routes, 0.5 lux in open areas), battery duration (minimum 3 hours for most premises), and commissioning and maintenance procedures including monthly functional tests and annual full-duration tests.

Regulatory Reform (Fire Safety) Order 2005

The Fire Safety Order requires the responsible person for any non-domestic premises to carry out a fire risk assessment and ensure adequate emergency lighting is provided on escape routes. Failure to comply is a criminal offence carrying fines and potential imprisonment.

BS EN 50172:2004 — Emergency Escape Lighting Systems

This European standard specifies maintenance and testing requirements for emergency lighting. It requires monthly functional tests (brief mains simulation) and annual full-duration tests (full battery discharge). All tests must be recorded in a log book available for inspection.

BS 7671:2018+A2:2022 (IET Wiring Regulations)

Chapter 56 covers safety services including emergency lighting. Emergency lighting circuits must be segregated from normal lighting circuits and supplied from a point upstream of any switch or protective device that might disconnect the normal lighting. Self-contained luminaires must be on a permanent (unswitched) mains supply.

What to expect

Self-contained luminaires (each with their own battery) are the most common and cost-effective solution for small to medium premises. Central battery systems are more efficient for large buildings with many luminaires but are significantly more expensive to install and maintain.
LED emergency luminaires have largely replaced fluorescent units. LED units are more energy-efficient, have longer lamp life (50,000+ hours), and produce better light distribution. They also recharge faster after a full-duration test — typically 12-24 hours compared to 24-48 hours for older NiCd battery units.
For HMOs (Houses in Multiple Occupation), emergency lighting is typically required in all communal corridors, stairways, and at the final exit. The exact requirements depend on the fire risk assessment. Local authority HMO licensing conditions often specify minimum standards.
Annual full-duration testing requires all emergency luminaires to run on battery for 3 hours. During this test, the luminaires are unavailable for emergency use for the 24-hour recharge period. Test during normal business hours when the building is occupied and daylight provides natural illumination on escape routes.
Existing buildings with no emergency lighting may need surface-mounted luminaires and cable trunking rather than recessed fittings. This is less aesthetically pleasing but avoids the disruption and cost of cutting into ceilings and walls.

Frequently asked questions

Do I need emergency lighting in my building?
Emergency lighting is required in all non-domestic premises (offices, shops, restaurants, warehouses), all communal areas of residential buildings (corridors, stairways, car parks), and HMOs. It is also required in any premises where people work, including small offices and workshops. The requirement comes from the Regulatory Reform (Fire Safety) Order 2005. If in doubt, your fire risk assessment will specify the requirement.
What is the difference between maintained and non-maintained emergency lighting?
Maintained emergency luminaires are always on — they function as normal room lighting and switch to battery power during a mains failure. Non-maintained luminaires are normally off (with the battery on charge) and only activate when the mains supply fails. Non-maintained is more common in premises with separate normal lighting. Maintained is required where the emergency light is the only light source in that location (e.g., an internal corridor with no windows).
How often must emergency lighting be tested?
Monthly functional tests (a brief mains interruption to verify each luminaire activates) and annual full-duration tests (running all luminaires on battery for the full rated duration, typically 3 hours) are required by BS EN 50172. All tests must be recorded in the emergency lighting log book. Some modern systems offer automatic self-testing that simplifies the monthly checks.
What happens if my emergency lighting fails an inspection?
Failed luminaires (dim, non-activating, or short battery duration) must be repaired or replaced promptly. The fire authority can issue an enforcement notice requiring immediate rectification if the emergency lighting is non-functional. In serious cases, a prohibition notice can close the premises until the system is restored. Maintaining a compliant system with documented test records demonstrates due diligence.
Can I carry out monthly emergency lighting tests myself?
Yes — the responsible person or a trained member of staff can carry out the monthly functional test by pressing the test button on each luminaire (or using a key switch or central test facility) and recording the result in the log book. However, the annual full-duration test and any repairs should be carried out by a competent electrician with the appropriate test equipment.

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