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Thorn provides a comprehensive lighting solution that supports learning at Broughton Primary School


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  • Lamp efficacy

    Lamp efficacy

    Ensuring the lamp efficiently converts electricity into light (lm/W).

  • Ballast classification

    Ballast classification

    Controlling the electricity supply to the lamp (Energy Efficiency Index).

  • Luminaire distribution

    Luminaire distribution

    Controlling light emission using optics which bend and shape the light to the correct location.

  • System efficacy

    System efficacy

    Combining optical and thermal control within the luminaire (luminaire lm/W).

  • Presence/absence detection

    Presence/absence detection

    Presence: Lights automatically turn on/off with movement. Absence: Lights automatically turn off and must be manually switched on.

  • Daylight detection

    Daylight detection

    Artificial lighting which responds to the natural light conditions.

  • Constant illuminance

    Constant illuminance

    A function designed to produce correct light levels for the duration of the maintenance period.

  • Task-scene setting

    Task-scene setting

    Allowing the user to set scenes and adapt the lighting to different tasks.

  • Timed off

    Timed off

    Automatic cut-off can be installed to turn all lights off during unoccupied hours.

  • Task lighting

    Task lighting

    Lighting task areas with the correct amount of light.

  • Zoning of lighting

    Zoning of lighting

    Lighting is zoned according to area use.

  • Maintenance schedule

    Maintenance schedule

    Maintenance must be performed in response to product age, performance and environment.

  • Waste light

    Waste light

    Eliminating waste light which does not hit the intended target.

  • Reflectance


    Taking advantage of light which is reflected from the surface within the space.

  • Visible smart metering

    Visible smart metering

    Results of actions can be quickly seen as increased or decreased energy use to encourage responsible energy consumption.

The challenge

Broughton Primary School in Edinburgh dates from the Edwardian period, but has been extensively rebuilt and refurbished over the years. Thorn’s brief for lighting the school was to contribute to a finished effect that provided the perfect environment for pupils and staff.

The lighting solution

Thorn Lighting provided a low-maintenance, energy-efficient solution for the whole school. Five different types of luminaire were used, including the innovative IQ Wave with built-in wireless technology.

Thorn’s IQ Wave Suspended was chosen for the classrooms. This elegant and innovative fitting achieves the ideal light distribution - with high cylindrical illuminance to light faces - with the help of a special reflector. IQ Wave achieves a unified glare rating of <19, in line with the EN 12464 standard on workplace lighting.

The luminaires also feature Thorn’s BasicDim Wireless functionality, allowing them to communicate wirelessly with sensors for presence detection and daylight-linked dimming. The wireless-ready luminaires are installed like any other, with no need for additional hardware or rewiring. BasicDim Wireless also allows luminaires to be controlled by a mobile app or from wireless switches, if required.


The extremely robust HiPak Pro LED has been used to light the school’s gym hall. HiPak Pro uses dedicated optics for precise light control, while also providing energy savings of up to 45% compared to traditional HID fittings.

The IP66-rated Aquaforce Pro has been installed in the store rooms. This luminaire is built to resist ambient temperatures from -20°C to 35°C, and its clever drip-edge design avoids dust gathering on the light output surface, so that dirt doesn’t harm performance.

The high-performance Glacier pendant luminaire provides illumination in the central atrium and entrance hallway, to provide an excellent quality of light from an attractive fitting.

The precision-designed Piazza LED bulkhead has been installed around the school perimeter to provide light for security and wayfinding. Piazza LED offers optimal light distribution with a minimal upward light ratio of less than 2.5%.

The result

The new lighting creates a perfect learning environment for pupils and teachers alike. And the ability to dim lights when there is sufficient daylight means savings of up to 75% can be made on energy.

In particular, the IQ Wave fittings support comfort and alertness in the school’s classrooms, ensuring the perfect lighting for desk-based tasks, group presentations or discussions, and a pleasant overall atmosphere.