And a switch rated around 30-50 amp.
He said american style. Not actually american. Plus the nominal voltage in the US is 120vIs the American appliance safe to use on a 240 volt supply, having been designed for a 110v supply in mind?
Extract from instructions
This dryer is supplied without an electric
cord and plug. It must be connected by a
competent electrician to a single-phase
electricity supply at the voltage shown on
the dataplate, using a suitable fixed wiring
installation in accordance with local and
national wiring regulations. A 3-wire
circular cord of minimum conductor size
2.5mm cross-section area should be
used. A 30A supply fuse should be used,
and a switch with a minimum contact
separation of 3mm in both poles must be
incorporated into the fixed wiring for dryer
disconnection. This disconnection switch
should be accessible to the user after
installation.
Yes, because that's what the manufacturer specifies.Is it really correct though to fit a 30 or 32 amp fuse when the appliance is a little under 20 amp?
I would not want to run a fuse right at it's limit on a heavy continuous load, as the fuse will run rather warm.It specifies it in the MI, but would a 20 amp fuse or MCB be ok?
I would and have done several times before when I used to install appliances as a job.Although the appliance can't be overloaded, why not a 4 mm2 round flex to be in keeping with the 30 amp supply that was asked for?Would it be better to use a 4 mm2 flex instead of a 2.5 mm2 flex?
would it be good practice to use 4 mm2 flex?
Is it only me who feels it a bit odd that people are talking about 6mm² cable (or even 4mm² cable, come to that) for a dedicated circuit for a load which is (just) under 20A?6 mm2 is more readily available to buy, and for the difference in price may prove future-proof should you need to add something.
Is it only me who feels it a bit odd that people are talking about 6mm² cable (or even 4mm² cable, come to that) for a dedicated circuit for a load which is (just) under 20A?6 mm2 is more readily available to buy, and for the difference in price may prove future-proof should you need to add something.
Kind Regards, John
Maybe, but I wonder why they are saying that? There are millions of 3kW dryers out there with 13A fuses (and I have one which is also on a dedicated 16A radial), so why does a 4.5kW one need 'a 30A supply'??Are they saying it because the OPS instructions say it must be on a 30 amp supply.
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