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General => Technical Help => Topic started by: VICTORIA on Friday 17 July 20 07:04 BST (UK)
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Hi need advice. I have just bought Indesit built in oven with 13amp plug. The cord on back is not long enough to plug into socket on wall. The instruction manual says dont use extension lead. Can anyone tell me why? Any help appreciated.
Victoria
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The extension lead may overheat.
Jamjar
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You could go with: https://www.toughleads.co.uk/collections/heavy-duty-13a-extension-leads/products/13a-extension-lead
I would think that using an extension would void any warranty on the device.
Jamjar
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Just use a short extension lead (1 metre) and there will be no issue.
Leads can overheat if yards and yards of it is coiled up, but there won't be that issue on a short extension.
Pauline
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Said that on my new freezer which also has a short lead and plugs into a yard long extension. The guy who fitted it never commented & as there was a fault less than a year later due to a faulty thermostat, their engineer never commented either.
Incidentally I claimed Saga house insurance for the loss of fillet steaks & smoked salmon etc, they put me through to their underwriters who thought about £250'ish for losses was reasonable. Back to Saga who whittled it down to about £70'ish due to excess. Is it worthwhile insuring freezer contents?
Skoosh.
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It is all about the fire risk.... if you add an extension lead that is then hidden or partly hidden under a work surface... You have lost control of the smell of wires etc if they touch... always have Plugs and Sockets in a position of safety. (and sight may look ugly but safety is best). or with automatic shut off device...
It is also about Insurance pay out... ask 'Severide' he will tell you. :)
xin
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There is the danger of using an extension cable where the wire size is too small!
If you are going to use an extension ask someone who knows what they are doing also.
Brian (50yrs in the electrical business)
Something like this item from B&Q suitable:
Brand B&Q
Model name/number NC103B-BD
Colour Black
Pack quantity 1
Power voltage supply 240V
Switched/unswitched Switched
Amp rating 10A
Product code 05163823
[ inline 3pin connector]
Cost @£6.00
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Thank You everyone for help/advice, a friend says could use heavy duty extension lead. Will look at what has been advised.
Victoria
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Which model is it.
If it is the Indesit IFW6330WHUK
current consumption is 0.88KwH so 880 watts
So amps equate to 880w divided by uk voltage nominally 240 equals 3.66 amps.
So 13 amps seems a little overkill for something like that.
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It’s a question of safety, you or the fire brigade or others need to be able to disconnect the appliance if and when it catches fire.
So plug your ex. lead into a visible socket labelled “cooker”.
You will still invalidate your insurance, as you have not followed the manufacturers instructions.
I speak from expensive experience, my daughter came rushing in, help the ovens on fire, where do I switch it off.
Only seven years old, installed correctly, don’t roast a duck at high temp.
Mike
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It’s a question of safety, you or the fire brigade or others need to be able to disconnect the appliance if and when it catches fire.
So plug your ex. lead into a visible socket labelled “cooker”.
You will still invalidate your insurance, as you have not followed the manufacturers instructions.
I speak from expensive experience, my daughter came rushing in, help the ovens on fire, where do I switch it off.
Only seven years old, installed correctly, don’t roast a duck at high temp.
Mike
That's what a point of isolation is for.
You shouldn't be using the plug to disconnect in an emergency
If no switch visible, it gets turned off at the consumer unit.
Not that the electricity supply had anything to do with burning duck fat.
Pauline
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It’s a question of safety, you or the fire brigade or others need to be able to disconnect the appliance if and when it catches fire.
So plug your ex. lead into a visible socket labelled “cooker”.
You will still invalidate your insurance, as you have not followed the manufacturers instructions.
I speak from expensive experience, my daughter came rushing in, help the ovens on fire, where do I switch it off.
Only seven years old, installed correctly, don’t roast a duck at high temp.
Mike
That's what a point of isolation is for.
You shouldn't be using the plug to disconnect in an emergency
If no switch visible, it gets turned off at the consumer unit.
Not that the electricity supply had anything to do with burning duck fat.
Pauline
I foolishly thought the official guidelines for kitchen electrical work would be correct.
Mike
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Checked out my freezer instructions, what it does say is that the power cord must not be lengthened and warns against the use of multi-sockets at the rear. I have a short extension as their power cord was a foot short. This business of supplying short power cords must be common practise.
Skoosh.
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Which model is it.
If it is the Indesit IFW6330WHUK
current consumption is 0.88KwH so 880 watts
So amps equate to 880w divided by uk voltage nominally 240 equals 3.66 amps.
So 13 amps seems a little overkill for something like that.
Yes that is the oven I boughtXX Please explain what you mean by 13amps seems a little overkill ??
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In reply to Mike.
The relevant document would be https://www.amazon.co.uk/Practice-Inspection-Electrical-Equipment-Regulations/dp/1849196265
The scope of BS7671 finishes at the socket.
Pauline
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Which model is it.
If it is the Indesit IFW6330WHUK
current consumption is 0.88KwH so 880 watts
So amps equate to 880w divided by uk voltage nominally 240 equals 3.66 amps.
So 13 amps seems a little overkill for something like that.
Yes that is the oven I boughtXX Please explain what you mean by 13amps seems a little overkill ??
Although it is a 13amp plug the fuse may be smaller
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Thanks everyone for help/advice.
Victoria.
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" This business of supplying short power cords must be common practise. "
I have recently bought a new fridge/freezer and the cable is about 6 feet long.
I have a multi socket, switchable extension cord for my computer. This runs my computer,
printer, router and the occasional low power item. No problems. But some years ago
with a similar set up I decided to clean everything. I was astonished to see that one of the
sockets was burnt which in turned had also burnt the plug. Yet everything worked O.K.
I quickly changed the whole set up. I think that the reason these manufacturers don't
like extension cords is that they can be of uncertain quality. Many of them are cheap eastern
imports, which display all the correct safety marks, as we have seen on TV with phone
chargers etc. exploding. There is less risk if the socket is part of the house electrical system.
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As a rule of thumb: Current used is equal to wattage/voltage.
So that equals 4amps per kilowatt of power. [1000watts divided by 250volts]
[So fuses are available in 2amp -5amp - 10amp and 13amp]
Reading lamp requires 2amp,kettle (2Kw) 10amp and heater (3Kw) 13amp.
As simple as I can make it without going technical on actual fuse rating spec.
Brian
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Thanks everyone for useful advice and help.
Victoria
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Which model is it.
If it is the Indesit IFW6330WHUK
current consumption is 0.88KwH so 880 watts
So amps equate to 880w divided by uk voltage nominally 240 equals 3.66 amps.
So 13 amps seems a little overkill for something like that.
That might be due to a flaw in the calculation you've used.
0.88KWh is the energy consumption used for energy efficiency comparison purposes. It represents the average consumption.
For a fixed rate of consumption (e.g. a lightbulb) the calculation you've done would be valid. But appliances like ovens and washing machines have variable rates of consumption as the heating elements and/or motors switch on and off.
The average consumption over an hour for an appliance like an oven will be significantly lower than the peak rate of consumption (because the heating elements won't be on constantly).
The only safe way of finding the correct peak power (/current) rating is to check the figure from the manufacturer's data.
I can't see that figure quoted anywhere on online sources, but it should be stated on a label on the appliance (often somewhere around the door area on an oven). Have a look there Victoria
So only a figure for Amps (A) or Watts (W) should be used for max power calculations - the KWh figure might be based on a whole range of assumptions about typical use and/or selected programmes.
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Which model is it.
If it is the Indesit IFW6330WHUK
current consumption is 0.88KwH so 880 watts
So amps equate to 880w divided by uk voltage nominally 240 equals 3.66 amps.
So 13 amps seems a little overkill for something like that.
That might be due to a flaw in the calculation you've used.
0.88KWh is the energy consumption used for energy efficiency comparison purposes. It represents the average consumption.
For a fixed rate of consumption (e.g. a lightbulb) the calculation you've done would be valid. But appliances like ovens and washing machines have variable rates of consumption as the heating elements and/or motors switch on and off.
The average consumption over an hour for an appliance like an oven will be significantly lower than the peak rate of consumption (because the heating elements won't be on constantly).
The only safe way of finding the correct peak power (/current) rating is to check the figure from the manufacturer's data.
I can't see that figure quoted anywhere on online sources, but it should be stated on a label on the appliance (often somewhere around the door area on an oven). Have a look there Victoria
So only a figure for Amps (A) or Watts (W) should be used for max power calculations - the KWh figure might be based on a whole range of assumptions about typical use and/or selected programmes.
Thank You, much obliged will have a look.