Light Efficient Design SPD-277P-10KA-EC1

hi we've got some of these knightsbridge led under cabinet lights in the kitchen we've got quite a few of them various different lengths we've got some that are about 900 millimeters long we've got this one that is 600 and then quite a few that are 300 and 400 millimeters long depending on how long the cabinets are and they've all been working really well for about four years now except for this one and this 600 millimeter one i've had to replace every year because it keeps failing even though i'm buying it from a different supplier it's obviously from a different batch and everything like that but for some reason this one keeps failing and it's not like it's above anything that's generating heat this one doesn't have the kettle or toast or anything like that underneath it so this one isn't subject to any weird conditions it just seems to fail all the time so i thought today we'd have a