400 Watt Light Bulbs & Lamps

400 watt light bulbs are commonly halogens. 400 watt bulbs can safely be used in fixtures with a maximum of 400 watts or more. Maximum wattage information can typically be found printed inside the light fixture or lamp socket.

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400watt R7s 117mm Energy Saver Equivalent to 500watt

£1.50
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400watt Trailing Push On and Off 1 Gang 2-Way White Dimmer Switch LED Suitable

£16.38
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2 Pack 400watt R7s 117mm Double Ended

£3.06
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400watt Trailing Push On and Off 1 Gang 2-Way Mirror Chrome Dimmer Switch LED Suitable

£19.74