Maybe give their customer line a ring and ask, perhaps somebody may be able to give you the answer. Looking at it makes me believe it is of the type that doesn't respond well to a dimmer though. Regards. Tristram Llewellyn Sight and Sound Technology Technical Support www.sightandsound.co.uk Mail: Tristram: tristram.llewellyn@xxxxxxxxxxxxxxxxxxx Technical: Support@xxxxxxxxxxxxxxxxxxx General - info@xxxxxxxxxxxxxxxxxxx Phone: Support line: 0845 634 7979 Sight and Sound Technology Limited is a company registered in England and Wales, with company number 1408275. Sight and Sound Technology Welton House North Wing Summerhouse Road Moulton Park Northampton NN3 6WD VAT Number - GB 860 2121 66. -----Original Message----- From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On Behalf Of Derek Hornby Sent: 15 July 2010 13:32 To: access-uk@xxxxxxxxxxxxx Subject: [access-uk] Re: Energy Saving Light Bulbs Hi Tristram RNIB has this bulb in their catalogue. Catalogue number: DH284ES Energy Saving Day Light Bulb. For instant bright light. This bulb develops in to full brightness quickly To 1200 lumens. I was hoping it would be ok with Dimmer switch because I wanted a bulb that will go bright quickly, as well as the Ability to dim it. Regards, Derek -----Original Message----- From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On Behalf Of Tristram Llewellyn Sent: Thursday, July 15, 2010 1:10 PM To: access-uk@xxxxxxxxxxxxx Subject: [access-uk] Re: Energy Saving Light Bulbs Using a dimmer switch with an energy light bulb not compatible will probably just make it flicker and die quicker than it might rather than issue of safety. Most current Energy saving bulbs are not compatible with dimmers, one that might be worth seeking out is the Osram Dulux El Dim. The latter piece of info I got from www.energysavingtrust.org.uk just to prove that I am not a light bulb nut. I did know about the flicker bit because the principle of dimmer switches is quite well known if you have ever had electronics as a hobby. Regards. Tristram Llewellyn Sight and Sound Technology Technical Support www.sightandsound.co.uk Mail: Tristram: tristram.llewellyn@xxxxxxxxxxxxxxxxxxx Technical: Support@xxxxxxxxxxxxxxxxxxx General - info@xxxxxxxxxxxxxxxxxxx Phone: Support line: 0845 634 7979 Sight and Sound Technology Limited is a company registered in England and Wales, with company number 1408275. Sight and Sound Technology Welton House North Wing Summerhouse Road Moulton Park Northampton NN3 6WD VAT Number - GB 860 2121 66. -----Original Message----- From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On Behalf Of Derek Hornby Sent: 15 July 2010 12:37 To: access-uk@xxxxxxxxxxxxx Subject: [access-uk] Energy Saving Light Bulbs Hi All Does anyone know if it's safe to use Energy Saving Day Light Bulbs, With a dimmer switch. 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