Has anyone . . .replaced the MR16 halogen lamps in their bathroom with LED ones in Forum House? Did you have to replace the transformer/s? Is there one common transformer for all the lamps or each one has its own one? Thanks.

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replaced the MR16 halogen lamps in their bathroom with LED ones in Forum House? Did you have to replace the transformer/s? Is there one common transformer for all the lamps or each one has its own one? Thanks.