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Motor earth

Is it acceptable practice to run the earth outside the motor terminal box of a banjo connected to an earth point of the motor?
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  • Hi David,

    I was being sarcastic of course as I would rather we all used the correct terminology of an Earth Tag! North of Hadrians wall they are called "Frying pans". I get annoyed when people use all these other words, better if we call them by the correct name. You are of course correct on the earth tag application and its use.

    If there is a seperate conductor acting as a CPC within the armour cable itself not really any need for the earth tag,unless the clients has specified they are fitted. Depending on the type of motor often there is an external earth connection on the motor casing that may have to be used, particularly where there are insulating parts on the flanged connections to the pipework.


    GTB ( Electrical Engineer, not a musician)
Reply
  • Hi David,

    I was being sarcastic of course as I would rather we all used the correct terminology of an Earth Tag! North of Hadrians wall they are called "Frying pans". I get annoyed when people use all these other words, better if we call them by the correct name. You are of course correct on the earth tag application and its use.

    If there is a seperate conductor acting as a CPC within the armour cable itself not really any need for the earth tag,unless the clients has specified they are fitted. Depending on the type of motor often there is an external earth connection on the motor casing that may have to be used, particularly where there are insulating parts on the flanged connections to the pipework.


    GTB ( Electrical Engineer, not a musician)
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