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40w at Sparks Warehouse

Shop the full range of the 40w, available at a competitive price.

Sparks Warehouse takes pride in being one of the UK's biggest and most trusted electrical supplier with an extensive offering of over 200 000 products. Need help finding the product you need? Get in touch with our friendly support team and we should be able to assist you in sourcing.

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  • Casell PAR16 40W SES Spot Bulb Halogen Bulbs Casell - Sparks Warehouse

    Casell PAR16 40W SES / E14 Spot Bulb

    Casell
    £8.50 GBP - £8.50 GBP
    £8.50 GBP
    £8.50 GBP - £8.50 GBP
    £8.50 GBP

    Our halogen reflector lamp for display lighting. High quality product for an extremely competitive price.

    £8.50 GBP - £8.50 GBP
    £8.50 GBP
    £8.50 GBP - £8.50 GBP
    £8.50 GBP
  • Casell HAL40G9-CA - G9 40W Halogen Capsule Light Bulb - Clear - Casell - sparks-warehouse
    Save £3.38 GBP Save £0.00 GBP

    Casell HAL40G9-CA - G9 40W Halogen Capsule Light Bulb - Clear

    Casell
    £7.29 GBP
    £7.29 GBP - £7.29 GBP
    £7.29 GBP
    £3.91 GBP
    £3.91 GBP - £3.91 GBP
    £3.91 GBP

    Casell Lighting halogen bulb. Ideal for accent and general lighting in homes, hotels, bars and restaurants - for use in small, lightweight, open lu...

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    £7.29 GBP
    £7.29 GBP - £7.29 GBP
    £7.29 GBP
    £3.91 GBP
    £3.91 GBP - £3.91 GBP
    £3.91 GBP
    Save £3.38 GBP Save £0.00 GBP
  • Casell HAL40G9-F-CA - G9 40W Halogen Capsule Bulb - Frosted - Casell - sparks-warehouse
    Save £3.38 GBP Save £0.00 GBP

    Casell HAL40G9-F-CA - G9 40W Halogen Capsule Bulb - Frosted

    Casell
    £7.29 GBP
    £7.29 GBP - £7.29 GBP
    £7.29 GBP
    £3.91 GBP
    £3.91 GBP - £3.91 GBP
    £3.91 GBP

    Casell Lighting halogen light bulb for use in many applications within the home.

    £7.29 GBP
    £7.29 GBP - £7.29 GBP
    £7.29 GBP
    £3.91 GBP
    £3.91 GBP - £3.91 GBP
    £3.91 GBP
    Save £3.38 GBP Save £0.00 GBP
  • GLS 40W Light Bulb BC / B22 - Pearl - 24v Incandescent Lamps Casell - Sparks Warehouse

    GLS 40W Light Bulb BC / B22 - Pearl - 24v

    Casell
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

    Casell Low Volt GLS 24/25v 40w B22d Pearl

    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
  • Golfball 40W Light Bulb SES / E14 - Pearl - 240v - The Lamp Company - sparks-warehouse

    Golfball 40W Light Bulb SES / E14 - Pearl - 240v

    The Lamp Company
    £2.64 GBP - £2.64 GBP
    £2.64 GBP
    £2.64 GBP - £2.64 GBP
    £2.64 GBP

    Specification Category General Household Lighting Type Golf Ball Bulbs Cap E14/SES Volts 240v Watts 40w Finish/Colour White Life 100...

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    £2.64 GBP - £2.64 GBP
    £2.64 GBP
    £2.64 GBP - £2.64 GBP
    £2.64 GBP
  • GLS 40W BC / B22 - Pearl - 12v - Casell - sparks-warehouse

    GLS 40W BC / B22 - Pearl - 12v

    Casell
    £3.17 GBP - £3.17 GBP
    £3.17 GBP
    £3.17 GBP - £3.17 GBP
    £3.17 GBP

    Specification Category General Household Lighting Type GLS Bulb Cap B22d/BC Volts 12v Watts 40w Finish/Colour Pearl/Frosted Life 1...

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    £3.17 GBP - £3.17 GBP
    £3.17 GBP
    £3.17 GBP - £3.17 GBP
    £3.17 GBP
  • GLS 40W Light Bulb ES / E27 - Pearl - 24V Incandescent Lamps Casell - Sparks Warehouse

    GLS 40W Light Bulb ES / E27 - Pearl - 24V

    Casell
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

    Low volt GLS lamp used in a variety of applications. Machines, Railway, Emergency Lighting and Generator powered installations to name just a few.

    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
  • GLS 40W Light Bulb BC / B22 - Pearl - 50V Incandescent Lamps Casell - Sparks Warehouse

    GLS 40W Light Bulb BC / B22 - Pearl - 50V

    Casell
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

    Specification Category General Household Lighting Type GLS Bulb Cap B22d/BC Volts 50v Watts 40w Finish/Colour Pearl/Frosted Life 100...

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    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
  • GLS 40W Light Bulb ES / E27 - Clear - 50v - Casell - sparks-warehouse

    GLS 40W Light Bulb ES / E27 - Clear - 50v

    Casell
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

    Specification Category General Household Lighting Type GLS Bulb Cap E27/ES Volts 50v Watts 40w Finish/Colour Clear Life 1000 hours ...

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    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

  • Crompton FIRCAN40SES SES-E14 40W Candle Fireglow Red Light Bulb

    Crompton
    £5.92 GBP - £5.92 GBP
    £5.92 GBP
    £5.92 GBP - £5.92 GBP
    £5.92 GBP

    Crompton FIRCAN40SES SES-E14 40W Candle Fireglow Red Light Bulb. Manufacture Code: FIRCAN40SES. GTIN: 5018986522787

    £5.92 GBP - £5.92 GBP
    £5.92 GBP
    £5.92 GBP - £5.92 GBP
    £5.92 GBP
  • Casell C40SES-CV4F-CA 240v 40w E14 Frosted 35x125mm CV4 Bent Tipped Candle Bulb - Casell - Sparks Warehouse

    Casell C40SES-CV4F-CA 240v 40w E14 Frosted 35x125mm CV4 Bent Tipped Candle Bulb

    Casell
    £5.28 GBP - £5.28 GBP
    £5.28 GBP
    £5.28 GBP - £5.28 GBP
    £5.28 GBP

    Casell 240v 40w E14/SES Frosted 35mm "Coupe De Vente" Bent Tipped Candle Bulb.

    £5.28 GBP - £5.28 GBP
    £5.28 GBP
    £5.28 GBP - £5.28 GBP
    £5.28 GBP
  • GLS 40W Light Bulb ES / E27 - Clear - 24V - Casell - sparks-warehouse
    Sold out

    GLS 40W Light Bulb ES / E27 - Clear - 24V

    Casell
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

    Specification Category General Household Lighting Type GLS Bulb Cap E27/ES Volts 25v Watts 40w Finish/Colour Clear Life 1000 hours ...

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    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    Sold out
  • T12 40w Fluorescent Tube 600mm 2 Foot - White - Casell - sparks-warehouse

    T12 40w Fluorescent Tube 600mm 2 Foot - White

    Casell
    £16.85 GBP - £16.85 GBP
    £16.85 GBP
    £16.85 GBP - £16.85 GBP
    £16.85 GBP

    Specification Category Fluorescent Tubes Type T12 Fluorescent Tubes - 38mm Cap G13 Volts This item is run by control gear in the fitting ...

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    £16.85 GBP - £16.85 GBP
    £16.85 GBP
    £16.85 GBP - £16.85 GBP
    £16.85 GBP
  • GLS 40W Light Bulb ES / E27 - Pearl - 12v - Casell - sparks-warehouse

    GLS 40W Light Bulb ES / E27 - Pearl - 12v

    Casell
    £3.17 GBP - £3.17 GBP
    £3.17 GBP
    £3.17 GBP - £3.17 GBP
    £3.17 GBP

    Specification Category General Household Lighting Type GLS Bulb Cap E27/ES Volts 12v Watts 40w Finish/Colour Pearl/Frosted Life 1000...

    View full details
    £3.17 GBP - £3.17 GBP
    £3.17 GBP
    £3.17 GBP - £3.17 GBP
    £3.17 GBP
  • Crompton CLL40SCW - CFL Single Turn L Type Dimmable 40W 4000K 2G11 CFL Single Turn L Type Crompton - Sparks Warehouse
    Sold out

    Crompton CLL40SCW - CFL Single Turn L Type Dimmable 40W 4000K 2G11 - DISCONTINUED

    Crompton
    £10.63 GBP - £10.63 GBP
    £10.63 GBP
    £10.63 GBP - £10.63 GBP
    £10.63 GBP

    Dimmable compact fluorescent single turn L-Type lamp (PLL). Commonly used in commercial and domestic luminaires. Ideal for use in downlights, bulkh...

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    £10.63 GBP - £10.63 GBP
    £10.63 GBP
    £10.63 GBP - £10.63 GBP
    £10.63 GBP
    Sold out
  • Golfball 40W Light Bulb BC / B22 - Pearl - 240v - The Lamp Company - sparks-warehouse

    Golfball 40W Light Bulb BC / B22 - Pearl - 240v - Long Life

    The Lamp Company
    £2.98 GBP - £2.98 GBP
    £2.98 GBP
    £2.98 GBP - £2.98 GBP
    £2.98 GBP

    Specification Category General Household Lighting Type Golf Ball Bulbs Cap B22d/BC Volts 240v Watts 40w Finish/Colour White Life 800...

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    £2.98 GBP - £2.98 GBP
    £2.98 GBP
    £2.98 GBP - £2.98 GBP
    £2.98 GBP
  • GLS 40W Light Bulb ES / E27 - Pearl - 50V - Casell - sparks-warehouse

    GLS 40W Light Bulb ES / E27 - Pearl - 50V

    Casell
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP

    Specification Category General Household Lighting Type GLS Bulb Cap E27/ES Volts 50v Watts 40w Finish/Colour Pearl/Frosted Life 1000...

    View full details
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
    £3.36 GBP - £3.36 GBP
    £3.36 GBP
  • 240v 40w E14 Crown Silver G45x72mm - Casell - sparks-warehouse

    240v 40w E14 Crown Silver G45x72mm

    Casell
    £3.00 GBP - £3.00 GBP
    £3.00 GBP
    £3.00 GBP - £3.00 GBP
    £3.00 GBP

    Specification Category General Household Lighting Type Golf Ball Bulbs Cap E14/SES Volts 240v Watts 40w Finish/Colour Crown Silver ...

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    £3.00 GBP - £3.00 GBP
    £3.00 GBP
    £3.00 GBP - £3.00 GBP
    £3.00 GBP

  • Crompton FIRCAN40BC BC-B22d 40W Candle Fireglow Red Light Bulb

    Crompton
    £5.59 GBP - £5.59 GBP
    £5.59 GBP
    £5.59 GBP - £5.59 GBP
    £5.59 GBP

    Crompton FIRCAN40BC BC-B22d 40W Candle Fireglow Red Light Bulb. Manufacture Code: FIRCAN40BC. GTIN: 5018986522633

    £5.59 GBP - £5.59 GBP
    £5.59 GBP
    £5.59 GBP - £5.59 GBP
    £5.59 GBP

  • Schiefer Bay15d S25x45mm 48V 40W Clear Forklift 2500K Dimmable - 505004840

    Schiefer
    £3.98 GBP - £3.98 GBP
    £3.98 GBP
    £3.98 GBP - £3.98 GBP
    £3.98 GBP

    Schiefer Bay15d S25x45mm 48V 40W Clear Forklift 2500K Dimmable - 505004840. Vehicle. Schiefer Code: 505004840

    £3.98 GBP - £3.98 GBP
    £3.98 GBP
    £3.98 GBP - £3.98 GBP
    £3.98 GBP
  • Casell C40BC-46RS-CA 240v 40w BA22d 46mm Clear Rough Service Candle - Casell - Sparks Warehouse

    Casell C40BC-46RS-CA 240v 40w BA22d 46mm Clear Rough Service Candle

    Casell
    £5.28 GBP - £5.28 GBP
    £5.28 GBP
    £5.28 GBP - £5.28 GBP
    £5.28 GBP

    46mm Plain large candle 240v 40w B22d/BC Rough Service Filament.

    £5.28 GBP - £5.28 GBP
    £5.28 GBP
    £5.28 GBP - £5.28 GBP
    £5.28 GBP
  • Save £2.88 GBP Save £0.00 GBP

    Philips GLS 40w B22d/BC SoftoneWhite 240V 1000hrs 360lm T55 2 x Pack - GL40BC-SW-PH

    Philips
    £9.86 GBP
    £9.86 GBP - £9.86 GBP
    £9.86 GBP
    £6.98 GBP
    £6.98 GBP - £6.98 GBP
    £6.98 GBP

    Philips GLS 40w B22d/BC SoftoneWhite T55 2 PackRare Philips Light Bulbs Dimmable with compatible dimmer

    £9.86 GBP
    £9.86 GBP - £9.86 GBP
    £9.86 GBP
    £6.98 GBP
    £6.98 GBP - £6.98 GBP
    £6.98 GBP
    Save £2.88 GBP Save £0.00 GBP

  • Crompton AO40CSES SES-E14 40W Oven Warm White Light Bulb

    Crompton
    £4.74 GBP - £4.74 GBP
    £4.74 GBP
    £4.74 GBP - £4.74 GBP
    £4.74 GBP

    Crompton AO40CSES SES-E14 40W Oven Warm White Light Bulb. Manufacture Code: AO40CSES. GTIN: 5018986650022

    £4.74 GBP - £4.74 GBP
    £4.74 GBP
    £4.74 GBP - £4.74 GBP
    £4.74 GBP
  • Sold out

    Crompton CLL40SCW 2G11 40W PLL Cool White Light Bulb- DISCONTINUED

    Crompton
    £4.78 GBP - £4.78 GBP
    £4.78 GBP
    £4.78 GBP - £4.78 GBP
    £4.78 GBP

    Crompton CLL40SCW 2G11 40W PLL Cool White Light Bulb. Manufacture Code: CLL40SCW. GTIN: 5018986520783

    £4.78 GBP - £4.78 GBP
    £4.78 GBP
    £4.78 GBP - £4.78 GBP
    £4.78 GBP
    Sold out