On 09/28/2012 12:28 AM, Mouse wrote:
So did this one. But we were often, perhaps even
usually, leaving the
door closed when it was not in use, and was unwilling to count on our
breaking that habit as the only defense against the potential bad
consequences. (Or would have been, I believe; it was long enough ago I
don't specifically recall, but I suspect I didn't reason it out in that
much detail, rather than just "eep, it could turn on the magnetron,
better open it up and see if I can eliminate the processor".)
I can't comment on other countries, but a door interlock was specified
for microwave ovens by US law in 1973. Some ovens made just after that
law have duplicate interlocks in series. Lawyers can be a mighty force
for technical innovation...
--Chuck