[Gllug] Electric Shocks

t.clarke tim at seacon.co.uk
Fri May 16 11:04:48 UTC 2003


Since some of you gentlemen are cleary very knowledgable on the subject of
electicity, maybe someone has the definitive answer to a a couple of questions
that have fascinated me:

a) is it true that if you stand on a perfect or near-refect insulator (eg big
fat rubber mat) and touch an HV source (say several KV relative to earth) you
won't get a shock ?   - not the sort of thing I wish to test practically !

b) we operate a 240V UPS here which 'floats'  - ie one leg is NOT tied down
to earth.  The suggestion is similarly that touching either wire will not
produce a shock since there is supposedly nowhere for the current to flow.
True or false ?

Tim


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