Power Supply Speaking Of …

Speaking of heat, there’s a bold warning on the pack that the LED lamp must not be used in sealed light fittings. Just like CFLs, the electronics don’t take kindly to being overheated, and doing so will cause premature failure. Although I didn’t test it, I expect that this lamp would also be completely unsuitable for use with a dimmer (even turned to the maximum setting). I didn’t run a test because of the fact that the SMPS (switchmode Berry Power Supply) is rated for use with any voltage from 100 to 240V – so reducing the voltage with a dimmer will have little or no effect.