Ring extension load
- Thread starter skyhawker
- Start date
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1 spur = 1 double socket. Not more than that.
People could then plug in whatever appliances they wanted into that double socket.
People could then plug in whatever appliances they wanted into that double socket.
NO. Nor is a double socket safe for that purpose. With a double you can't put a full 13 amps on both sides at the same time.
That may be, but there is nothing to stop people plugging in whatever appliances they want into any double socket anywhere in their home at any time they like.
A washing machine and tumble dryer are not 'full 13A' items anyway. The washer will use a tiny fraction of that for the majority of the time it is in use.
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4500/240=18.75. But it will be a bit more as the motors will not be unity power factor.
That's assuming the appliances are rated at 240v, they could be rated at 230v. Also don't some manufactures specify their own current rating that their double sockets can take what is different and often higher than the 13A as specified in BS7671? Although one should never assume that a double socket can take more than 13A in total to be on the safe side and in compliance with BS7671.
For instance in this dryer: Hotpoint TVFS83CGP Vented Tumble Dryer.
What is the wattage? I can find wattage 583 KW/H anum and 4.97 kw/H per cycle. http://www.johnlewis.com/hotpoint-t...dryer-8kg-load-c-energy-rating-white/p1609310
When working out wattage for cable capacity dont I need wattage per second?
What is the wattage? I can find wattage 583 KW/H anum and 4.97 kw/H per cycle. http://www.johnlewis.com/hotpoint-t...dryer-8kg-load-c-energy-rating-white/p1609310
When working out wattage for cable capacity dont I need wattage per second?
4500/230=19.56A. But it gets worse as most likely his actual voltage is 240 so 19.56*240/230=20.4 amps.
The power consumption of an appliance.
That's not wattage.
You would need to know how long the machine was on to work it out.
Like your car does 150mph; how far have you driven?
Wattage is wattage. 1000W for an hour (NOT per hour) is 1000Wh (1kWh)
You need to know the current for cable selection - Wattage÷Voltage.
True but not relevant as that will be allowed for in the Current Carrying Capacity given for cables.
Hence why we use 230V for calculations.
The current carrying capacity was decided before 230v was used in calculations.
That is true but my point still stands. The CCCs have a very generous tolerance.
On theory the cable could withstand 27amps.
Fit an MK socket !
Fit an MK socket !
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