Rules and Guidelines
Want to participate in the discussions? Please read our Community Rules and Guidelines. Need some help? Visit Support and Answers.

  • State Not Answered
  • Locked Locked
  • Replies 16 replies
  • Subscribers 27 subscribers
  • Views 2962 views
  • Users 0 members are here
Options
You may also be interested in
This discussion is locked.
You cannot post a reply to this discussion. If you have a question start a new discussion

MCB size for dedicated fused spurs

Johno12345
A little thought, when installing a new circuit for a fused spur to supply an alarm or something similar, just about everyone uses a standard 2.5mm radial circuit, but the MCB size seems to vary from 16a down to 6. 


part of me (the larger part) thinks, just keep it standard 16a, and another part says to size the breaker to the load 


(I'm a specifier, not installer)
Parents
  • 0
    OlympusMons:

    An oven and cooker hood usually have a luminaire, which can be used solely for the purpose of providing light. The oven can also cook, the hood also extracts. When used for lighting purposes, the circuits can have min CSA 0.5mm2. They would also need RCD protection.

    Apologies to OP for a bit of thread drift. 


    oops, min CSA 1mm2


Reply
  • 0
    OlympusMons:

    An oven and cooker hood usually have a luminaire, which can be used solely for the purpose of providing light. The oven can also cook, the hood also extracts. When used for lighting purposes, the circuits can have min CSA 0.5mm2. They would also need RCD protection.

    Apologies to OP for a bit of thread drift. 


    oops, min CSA 1mm2


Children
No Data

Join us to get the best from IET EngX.

Joining EngX lets you personalise your experience so you stay up to date on the topics that interest you, plus you’ll be able to make connections who are looking to collaborate, exchange ideas and more.

Join us Not now

Community Rules & Guidelines