On Sat, 12 Mar 2016 23:21:34 -0000, Sam E wrote:

On 03/12/2016 02:22 PM, Mr Macaw wrote:

[snip]

I tried to look up NEMA earlier, there seem to be about 10 different
sockets for different currents. Do you have them all in use?

There's a lot more, for different voltages including 125, 250, 277, 347,
480, and 600 volts with and without ground, and different currents.

And that's before you get to twist-lock and 3-phase wye and delta.

[snip]

How many are you likely to find in houses? (Including older houses and newer ones).

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