Feb 7, 2009
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I have x 3 panel heaters to install on x 3 16A circuits.
However, there is only one spare way at the mains board.

Any reason why I cannot use the spare way for a 50A mcb and 10mm t/e to supply a sub main with x 3 16A mcb's for the three heater circuits in 2.5mm t/e.
No way of getting enough access tails to add 100A link box.
 
Running a ring for the heaters could be another option?
 
Henley block and fit second cu.
 
Running a ring for the heaters could be another option?

Thanks for that. However, 3 heaters at 2kw should all be on seperate circuits.
 
Henley block and fit second cu.

Thankyou. The tails from the meter look almost butted up to the mains board so only room without replacing the tails is above the mains board where existing tails will not reach.
 
Do all the heaters turn on at the same time and what rating are they?

Answer the two questions and we may get somewhere.
 
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Do all the heaters turn on at the same time and what rating are they?

Answer the two questions and we may get somewhere.

Yes. All heaters on at same time and 1.5 to 2kw
 
There's nothing to say you cannot install a dedicated single 32A radial or a ring to supply these heaters.

The idea of not putting 2kw heaters onto a general power circuit is to prevent overloading of the circuit, but if it is a dedicated circuit then what is the problem?
 
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Title
Additional circuits for panel heaters
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Electrical Wiring, Theories and Regulations
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sidekick,
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