spot light bulbs

[pswurkxm]

I have fitted new spot lights to my kitchen ceiling, they blow bulbs on a regular basis,ive fitted 6 on a daisy chain wiring and done a complete loop back to the first lamp.when i change a bulb and get all six working for a short period 1 will blow,then the rest are ok for a long period,when i change the blown bulb,another will blow in a very short time , any ideas

 

[breezer]

try a search, been mention several times before.