Electricity is dangerous and can be hazardous. In doubt? Call a qualified electrician.
SWITCH OFF ELECTRICITY AT THE MAINS BEFORE WORKING ON EXISTING CIRCUITSIn a kitchen an extractor fan can be installed by fitting a fused connection unit (see Fitting an Fused Connection unit) at work surface level and running a cable from the fused connection unit to a flex outlet next to the fan.
In a bathroom however any connection should be made via a ceiling mounted pull cord double pole switch. On no account must a surface switch be used in the bathroom as it poses a serious safety hazard which could result in a critical injury.
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