Light Bulb World: Meeting Part L1 and L2 Regulations with “Best In Class” Lamps

Aug. 23, 2013 - PRLog -- Part L1 & L2 UK building regulations relates to the Conservation of Fuel and Power in building design, so whether you’re renovating your existing property, or constructing new one, you need to ensure you’re adhering to the regulations. L1 applies to you if you own or are building residential property - and L2 applies if you own or are building non-residential property.

In both cases, strict regulations apply to the exact type of light bulbs that can be used in the property. The problem most property owners face is that conventional light bulbs are simply not compliant and aesthetically appealing; and until now the options have been severely limited. Thankfully the BELL LED 7wGU10 is the game changer offering a way to meet the regulations in style.

Part L1 & L2 are quite clear: a minimum standard must be reached using at least 75% of all light fittings to accommodate energy efficient light bulbs. For L1 regulations, fittings must be designed for 45 lumens per circuit watt and rated at least at 400 lumens. Whereas for L2, it should be 55 lumens per circuit watt.

Lumens are a measure for the amount of light the lamp actually delivers when it is switched on. This decreases over the lifetime of the lamp, so the standard is set at the performance for 100 hours of burning time. Lighting up the lamp obviously uses a certain amount of electricity, so watts are calculated by dividing lumens by the amount of electricity used to produce the light when turning on the lamp.

Most low energy light sources need some form of electronic circuitry, normally called the control gear. Every piece of control gear uses a small amount of electrical energy to function, so the important figure is the combined power of Lamp Watts + Control gear Watts = Circuit Watts. Circuit Watts have an important role to play regarding regulations for energy efficient bulbs, and it’s here that the problems begin for anyone renovating or building new property.

These limits set by Part L1 & L2, mean that most energy efficient light bulbs aren’t suitable or can’t comply with the new regulations. Halogens, and GLS lamps are just not available in suitable specifications, and the vast majority of LED light bulbs cannot be dimmed. Those that might use exempted fittings for bulbs under 5 watts, are unlikely to deliver sufficient lighting for anything - except perhaps night time guide lighting.  And whether in the domestic setting or in work places, many CFL lamps simply will not deliver on aesthetics.

The BELL LED 7wGU10 provides a solution. Firstly, it’s fully dimmable and is classified at 470 lumens, exceeding the minimum requirements for both Part L1 & L2 UK building regulations. Secondly, it also achieves a 7 watt overall rating, therefore is a suitable light source for homes, offices and many other applications. Thirdly, it offers an incredibly economical 30,000 hours burning time and uses a standard GU10 fitting. And lastly, no transformer is required and you can dim the light as required.


All these features combine to offer a way through the maze of building regulations without compromising on style or practicality. To discover more about the BELL LED 7wGU10 energy efficient light bulbs, visit www.lightbulbworld.co.uk.
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