Wiring up led lights and 3kw inferred heater

Question

I need advice on how to wire up a garden building with led mini spotlights and a 3kw inferred heater. I want to take it to a show, I may have the blue socket box already, I just need to know how to get it setup. The electrics I've booked at the show are 32amp ceefrom external blue socket

Maxim · Answer

This is a great question, but due to UK electrical safety regulations (Part P) and the temporary nature of a show exhibit, this work must be planned and preferably certified by a qualified electrician.
​Working with a 32A supply and a 3kW. heater requires specific knowledge to prevent fire and electric shock.
​The 3kW heater must be on its own dedicated circuit protected by a 16 A breaker. The 2.5{mm}cable is the minimum size to handle the 13A continuous load safely.
​The LED lights will have a negligible load and can be protected by a small 6A breaker.
​My final advice is to use a qualified, registered electrician (e.g., NICEIC or NAPIT registered in the UK) to design, wire, and certify the internal wiring of your garden building. They can ensure compliance with all safety and show-specific regulations.

Kieran · Answer

I don't mean to be rude, but what you are asking is what is considered to be " an area of heightened risk" there are many regulations at play all of them intertwined with specifics of your situation. I am afraid there is no easy answer without far more information.

Hussain · Answer

You’ll be getting a 32-amp blue socket from the show. Plug into that with a 32-amp lead and take it into a small consumer unit inside the building. From there, run one circuit with a 16-amp breaker to the 3 kW heater using 2.5 mm flex, and another small 6-amp circuit to the LED spotlights using 1–1.5 mm cable. Make sure the consumer unit has RCD protection, and use HO7RN-F rubber flex for the cabling since it’s for a temporary setup.

Andy · Answer

Hi

The garden building will require a consumer unit.

The external supply should be connected to that consumer unit.

Any circuits in the garden building should be run from that consumer unit.

Let me know if I can be of any further assistance.

Andy, Dexter & Co

Steve · Answer

There needs to be a consumer unit within the garden room, with a feed from an external 32A commando socket. The heater and spots will be wired back to this.
The show ground will provide you with a 32A commando socket so you may need to then acquire a 32A lead with a plug on each end. 
You simply then plug the cable in to each socket. Et voila. Done ☑️

Michael · Answer

"Hi

I hope you're well.

The garden building will require it own consumer unit.

The external supply should be connected to that.

Any circuits in the garden building should be run from that consumer unit and should have rcd protection.

Let me know if you need anything else

Adam · Answer

For a 32amp supply at a show i would recommend a 32amp fused splitter box. Giving you 2 times 16amp sockets enough to power leds and a heater.

Wiring up led lights and 3kw inferred heater

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