On Tue, 25 Jun 2019 at 11:28, Philip Barnes <p...@trigpoint.me.uk> wrote:
> > > On Tuesday, 25 June 2019, Colin Smale wrote: > > On 2019-06-25 11:33, John Sturdy wrote: > > > > > For the "socket" key: I suggest putting the current rating onto the > cee_blue sockets (cee_blue_16a, cee_blue_32a, etc) rather than limiting it > to one rating; this will also make it consistent with the cee_red_* sockets. > This is better done with socket:type:current, which is already documented. > Not to forget that the rating is a maximum for safety, related to the > > construction of the sockets. There is no guarantee you can actually get > > 16A/32A (without tripping something) as the distribution network is > > likely to be over-committed, isn't it > > Typically campsites limit the current to 5 or 10A. Our favourite French > site fits the circuit breaker for the current you have paid for. > A fair point. The connector designation is not about the current you get but the physical diameter of the contacts and thus the maximum current it is rated for. A 16A connector has 5mm pins (6mm for earth pin) and a 32A connector has 6mm pins (8mm for earth pin). The pins for 16A and 32A versions are on circles of different diameters. You can't physically stick a 16A CEE 17 blue plug into a 32A CEE 17 blue socket. Specifying CEE 17 blue without specifying the rated current may result in some disappointments. Specifying the available current would also be useful. I've just had a look at https://en.wikipedia.org/wiki/IEC_60309 and it turns out that "blue" doesn't even mean what we think it means. "Blue" doesn't mean single phase. You can get 3-phase + earth and 3-phase + neutral + earth variants. "Blue" doesn't mean 200-250 VAC. The 3-phase + neutral + earth variant is used for both 120-144 VAC and 208-250 VAC. -- Paul
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