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I have a computer appliance that only accepts a 2-pin kettle power cord (UK plug type). I don't have a 2-pin available at the moment; only a 3-pin. The third pin that is missing is the ground connection. Would it be ok for me to use the 3-pin kettle? Both are 10 Amp, 240 V cables.

2-pin3-pin

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  • \$\begingroup\$ what a kettle is supposed to do in this scenario? \$\endgroup\$ – Marko Buršič Jul 19 '19 at 13:15
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    \$\begingroup\$ @MarkoBuršič in some areas, these are called Kettle Leads (UK) or Jug Cords (NZ/AU) because they were used on benchtop water-heating jugs in kitchens back before "cordless" bases were common. \$\endgroup\$ – Criggie Jul 19 '19 at 22:28
  • \$\begingroup\$ @Criggie Thanks for the explanation. I couldn't understood where a ketttle with only two wires are produced. In fact the question is not related to the kettle, rather just a mains plug. \$\endgroup\$ – Marko Buršič Jul 20 '19 at 11:34
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These are IEC 60320 standard appliance cables. This standard includes many different shapes for the connecting plugs and sockets, and they have been carefully designed so that unsafe combinations are physically impossible. It is safe to use this "C13" cable (10 amps, grounded, three wires) to power a device with a "C18" socket (10 amps, ungrounded, two pins), and therefore the connector shapes allow you to do so.

(Ironically, one of those impossible combinations is using a C13 cable to power an actual electric kettle; that's considered a high-temperature application and it requires a C15 cable. But you can use a C15 cable on a device designed for C13.)

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  • \$\begingroup\$ Certain unsafe combinations are physically impossible. No attempt is made to guard against connecting a 220-250V lead into a device which can only safely handle 110V-125V. \$\endgroup\$ – supercat Jul 19 '19 at 23:19
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If your device only has two connectors, it seems to be insulated. Then you don't need a ground connection. If the cable with the three connectors fits into the socket of the 2 pin, I don't see a problem.

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  • \$\begingroup\$ Thank you, works fine. \$\endgroup\$ – Ash2204 Jul 19 '19 at 13:59

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