Engage the services of a qualified electrician - the nature of your question strongly suggests you lack the competence to be safe with electricity and particularly so in a bathroom.
Lord Finchley tried to mend the Electric Light
Himself. It struck him dead: And serve him right!
It is the business of the wealthy man
To give employment to the artisian.
Peccavi
April 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix lighting.