MAX LOAD FOR DOUBLE UK DOMESTIC 3 PIN SOCKET?

[dimmy]

Hi
With a standard 13 amp domestic uk 3 pin socket the max load is 13 amps i believe?. So does this mean that a DOUBLE socket would have a max load of 26 amps....OR is a double socket still only 13 amps?. In one part of the double socket i have ( on a 3 way adapter) a tv, a blu ray player and a router..which are all light loads. Can i plug in a 2kw portable air conditioner into the free 3 pin socket on the other half of the double socket?...it says in the manual don`t use an extension lead for the PAC....any idea why not?...i have a 2 metre 13 amp extension lead but am wary of using it...many thanks

 

[davesparks]

I see no issue with this loading of a double socket.
I suspect it says not to use any extension lead because it’s the easiest way to stop people using an undersized extension lead or a coiled lead without uncoiling it fully. A correctly sized and rated extension lead won’t be a problem in reality, 1.25mm or 1.5mm cable would be suitable.

As far as I know 13A double sockets are required by the British standard to safely handle a load of 20A between the two sockets. With the standard test being a 13A load on one side and a 7A load on the other.

 

[Pete999]

I see no issue with this loading of a double socket.
I suspect it says not to use any extension lead because it’s the easiest way to stop people using an undersized extension lead or a coiled lead without uncoiling it fully. A correctly sized and rated extension lead won’t be a problem in reality, 1.25mm or 1.5mm cable would be suitable.

As far as I know 13A double sockets are required by the British standard to safely handle a load of 20A between the two sockets. With the standard test being a 13A load on one side and a 7A load on the other.

It is a recommendation that loads of 2KW and above should be on their own separate circuit.

 

[westward10]

What about my kettle

 

[Squid]

What about my kettle

Its boiled hanging over the fire in the kitchen so doesn't count.

 

[Pete999]

What about my kettle

Not a stationary load as you well know

 

[westward10]

It's a portable A/C unit you see loads of them plugged in, they come with a plug fitted.

 

[Pete999]

It's a portable A/C unit you see loads of them plugged in, they come with a plug fitted.

Whatever

 

[Ian1981]

It is a recommendation that loads of 2KW and above should be on their own separate circuit.

A bit of common sense is to be used regarding that recommendation and it is only a recommendation.

 

[davesparks]

It is a recommendation that loads of 2KW and above should be on their own separate circuit.

Recommended by who and where?

Of that is the case then why on earth do we have socket circuits with more than one outlet on each circuit?

Would you install a separate circuit for a kettle, toaster, hair dryer etc etc ?

 

[davesparks]

Whatever

What an amazingly well presented technical point!

 

[rsgaz]

The ratings on portable air conditioners are bull anyway. See this one...

https://www.amazon.co.uk/TROTEC-PAC-2000-Local-Conditioner/dp/B00U65A9M8

Says it has a "maximum cooling capacity of 2.0 kW", but then, in the spec, it says "Power consumption max.: 0.79 kW"!!

And here's a 5.2kW one which comes with a normal 13A plug, because it only uses 1.8kW in reality!!
PAC18H - 18000 btu Portable Air Conditioner - £550.00+vat - https://www.climachill.co.uk/product/pac18h-kyd52-18000btu-portable-air-conditioner-cool-heat/

 

[sam400]

Is it 2Kw of electrical load or 2Kw of cooling?
It's normally only a 3rd electrical consumption to cooling power so should only be 0.7Kw or 3A?

 

[snowhead]

Says it has a "maximum cooling capacity of 2.0 kW", but then, in the spec, it says "Power consumption max.: 0.79 kW"!!

As per Sam400.
You're confusing Electrical loading and cooling / heating rating.

 

[Devonchris]

HVAC units usually involve a compressor. These can have a high inrush current. They also have a limiting device to prevent restarting until the pressure in the system equalises. Which is why if you have unplugged one you should wait a few minutes before plugging back in, (to avoid a pressure lock and burning out the motor).

Manufactures know that a BS7671 socket and the lead and plug supplied will not produce a voltage drop that would give any problems. However an extension lead of a given length could cause stop start problems and motor damage. So they play safe and say no extensions.

 

[westward10]

Jesus this is getting complicated.

 

[telectrix]

What about my kettle

smart arse.

 

[Deleted member 26818]

Max load for BS1363 sockets is 20A (single or double).
Double sockets are tested with 14A on one socket and 6A on the other.

 

[Risteard]

With the standard test being a 13A load on one side and a 7A load on the other.

14A & 6A actually.

 

[Pete999]

Not really I merely said that BS7671 makes a recommendation that fixed loads of 2 KW and over are connected on a dedicated circuit

 

[Pete999]

Recommended by who and where?

Of that is the case then why on earth do we have socket circuits with more than one outlet on each circuit?

Would you install a separate circuit for a kettle, toaster, hair dryer etc etc ?

Appendix 15 page 453 Fig 15A iii

 

[Pete999]

Recommended by who and where?

Of that is the case then why on earth do we have socket circuits with more than one outlet on each circuit?

Would you install a separate circuit for a kettle, toaster, hair dryer etc etc ?

Fixed loads Dave, fixed Loads.
Appendix 15A iii

 

[Pete999]

What an amazingly well presented technical point!

Yes I thought it was an apt response as well

 

[123]

Appendix 15 page 453 Fig 15A iii

That relates to cookers/ovens/hobs rather than fixed loads.

 

[Marvo]

it says in the manual don`t use an extension lead for the PAC....any idea why not?............

Ususlly because excessive volt drop across the lead during start current can cause premature compressor failure and there's lots of poor quality extension leads around. If it's a 2.5mm lead of a good brand name and relatively short in length it should be fine.

 

[Chris1234]

Double sockets have a rating of 13A on them don’t they?
I’ve ben through most makes and non of them take 12.5A on a thermostatically controlled deep fat frier used for 6 hours a day for more than a month or two. Nor do BS1363 plugs or BS1363A plugs!

 

[Deleted member 26818]

Double sockets have a rating of 13A on them don’t they?
I’ve ben through most makes and non of them take 12.5A on a thermostatically controlled deep fat frier used for 6 hours a day for more than a month or two. Nor do BS1363 plugs or BS1363A plugs!

If the rating is only 13A, then they cannot be used for a standard RFC.