At the time, we cited a USDOE report from 2014 that showed "very few of the LED MR16 lamps listed in the LED Lighting Facts program are comparable replacements for the popular 12V 50W halogen MR16". The lamps for the MR16 are 36 degrees Celsius and the GU10 are 40 degrees Celsius? 10 Pack of MR16 GU5.3 Led Bulb Base Ceramic Socket,FINELED MR16 G5.3 Mr11 Lamp Holder for 12V Halogen & LED Bulb,Wire Connector Base Socket Adapter 4.6 … You’re here because you are trying to replace a bulb and can’t. Colour change (‘tuneable’) technology can allow a wide range of colour change but One of the holders for my MR16 GU5.3 / GU10 halogen bulbs failed (seemed to be an issue with one of the cables not connecting properly at the back) so I bought the above on Ebay and cut the old one off and connected the new one with a standard screw block connector. I believe the current GU5.3s are all transformed from 240v to 12v, so if I was to do the work myself I'd remove the 6 transformers and wire up the GU10 socket with this: November 21, 2013. Lamp holders allow you to change a lamp safely and securely when it needs replacing. Hi Neil. You would need 1 led driver/ Transformer for each light fitting, the best solution would be to either replace the fittings to a modern fitting with GU10 lamp holders, or replace the MR16 Lamp holders to GU10 and disconnect the existing transformers, this would stop the issue of over heated transformers and there is less to have to maintain. 3000K Colour—CRI Nominally 60 to 98 100 Colour change as lamp dims? When they fail and I go to replace the bulb I've MR16 socket replacement questions - DoItYourself.com Community Forums I have 6 GU5.3 downlights daisy chained to a double light switch on the wall, and wanted to replace them with GU10 to put in Philips Hue downlights. I had a similar issue some time ago and failed. Most manufacturers did not even bother to provide that specification. Mr16 has nothing to do with the lampholder thats the lamp size If its 12 volt its usually a G5.3 which is a lampholder with 2 holes 5.3mm apart then it will be connected to a tranformer If 240 volt often a GU10 lampholder then its connected to mains voltage Within the range of bulb holders, from big trusted brands, which are easy to fit and use you can buy confidently knowing other people just like you, have reviewed the products and rate them highly. Yes – marginal. Colour—CCT 2700K to 6000K in discrete values - 2700K, 3000K, 3500K, 4000K, 5000K etc. They have given me the MR16 down lighters and GU10 lamp holders/ leads and told me to just change them over. MR16 led lamp holders characters : maximum outside diameter of 2 inches with a multi-faceted reflector lamps in the lighting industry, lighting models by the letters of the alphabet and numbers, MR is the abbreviation of the English Multifaceted (Mirror) Reflector means a plurality of reflecting Surface composition into the reflector. Can i do this? Only one lamp tested provided comparable center beam candlepower. Manufacturer specified. How to open/ twist off the cover of some really stupid/ awkward/ flush mounted ceiling light dome fittings/ fixtures to replace/ change light bulb. Evening ForumMy suppliers only had MR16 fire rated down lighters although i wanted GU10. Lighting, Light Fixtures, Ceiling and Exhaust Fans - MR16 socket replacement questions - In my house I have numerous 4" recessed MR16 high hats. Hi all, I have recently experienced an issue I'd be grateful for some advice with. MR16 halogen equivalent in light output at same beam angle. 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