I agree; it is unlikely, and a second error resulting in a shock
multiplies the improbability, but the consequences could be fatal, so it
is a matter for debate. It is practicable to eliminate it; the distance
from the centre of the earth socket to the edge of the enclosure must
exceed 21 mm. One example I have has only 12 mm, but the socket is not
central in the face of the enclosure so the distance on the other side
is greater.
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk
Rayleigh, Essex UK
On 2018-07-17 22:26, Ted Eckert wrote:
Would the standards committee come up with different shutter
requirements for extension cables? Is placing the plug in the outlet
upside down common on extension cables? I still content that this
connection method is unlikely to happen as “accidental”. My contention
is that standards committees do try to reduce the risk of hazards from
misuse, but there are limits to what is practical.
I guess some of Rich Nute’s comments from years ago have stuck in my
head. Where is the line between a fault condition and intentional
misuse? Show me evidence that placing the plug in the outlet upside
down happens accidentally and I may consider it a condition where
additional safeguards might be warranted.
Ted Eckert
Microsoft
The opinions expressed are my own and do not necessarily reflect those
of my employer.
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