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    Acko's Avatar
    Acko Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 19, 2015, 10:53 AM
    Powering a immersion heater from a redundant shower power source
    Hi,

    I have a removed a 3kw electric shower and the cable is still installed with RCD. Could I T off this and power up immersion heater?

    Also, can I power extractor fan from lighting circuit?

    Thanks for your help.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #2

    Mar 19, 2015, 02:31 PM
    As long as the voltages are the same and wattage is the same or less, you can use the heater but make sure it is GFCI protected. Bath fans are commonly connected to the light circuit and draw very limited amperage, you should be OK.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    Mar 19, 2015, 04:45 PM
    Quote Originally Posted by ma0641 View Post
    As long as the voltages are the same and wattage is the same or less, you can use the heater but make sure it is GFCI protected. Bath fans are commonly connected to the light circuit and draw very limited amperage, you should be OK.
    This is obviously not a US or Canada installation. I assume UK or Australia. An RCD is the equivalent of a GFI.

    Due to the difference in codes and terminology I will refrain from commenting further.
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