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Discuss How to wire an rcd according to regulations? in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

E

electritaz

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When wiring an rcd do you fit the neutral wire on the left hand side and the live wire on the right hand side or viceversa? According to the iee regulations is there a specific way how to wire it correctly and safely.
 
S

spark1

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  • #2
Follow the manufacturers instructions either accompanying or on the device.
failing that ,in my experience ,either way round is equally acceptable....ensure the rcd is fully tested after installation to verify this.



spark1
 
M

Mac

  • Thread Starter Thread Starter
  • #4
When wiring an rcd do you fit the neutral wire on the left hand side and the live wire on the right hand side or viceversa? According to the iee regulations is there a specific way how to wire it correctly and safely.
Are you talking about an RCD or RCBO:confused:
 

scotsparky

-
Arms
Rcds,rcdo,rccb,ect All manufacturers are slightly different so just wire to manufacturers instructions. As for the institute giving a regulation for them as there is such a variety the only on i can think that may apply is safe isolation before doing it
 
E

electro

  • Thread Starter Thread Starter
  • #6
Hi


You will have a wiring diagram printed on the side of the RCD/RCBO's, make sure you get the polarity correct very important incoming and outgoing. And the Earthing lead to the earth terminal inside the distribution board. Neutral and earths to the correct split bars.


regards

sorry Head Moderator i was trying to cover all angles as he did not respond to macca's question RCD or RCBO
 
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S

Spudnik

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  • #7
RCD's dont have a an earth fly lead, its only on RCBO's.
 
M

Mac

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  • #9
Jason some modular rcbos dont have a functional earth on them.
So how are they supposed to work then.Overload and earth leakage protection.All the RCBO's i have installed have had a fly lead.Which one's are you talking about and what are they used for:confused:
 
D

DHES-LTD

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  • #11
Proteus do an rcbo with no earth fly lead.
 
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Spudnik

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  • #12
I stand corrected!

Must admit tho, i wouldnt touch Proteus with anyones barge pole.

All the RCBO's i have installed have had an earth and neutral flylead, and thats ranging from Contactum (RIP) to Hager etc.
 
M

Mac

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  • #13
All the hager RCBO's that i've used have had a neutral and earth fly lead
 
S

Spudnik

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  • #14
Indeedy, but why?

RCD's dont have an earth flylead and they work ok.
 
M

Mac

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  • #15
Indeedy, but why?

RCD's dont have an earth flylead and they work ok.
An RCD will offer you earth leakage protection.An RCBO will offer you combined RCD/MCB protection which will include overcurrent
 
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