At 03:47 AM 14/02/2012, you wrote:
>I remember it being 50vac to 55vac, hence...
>- north american electricity (and other countries - long detailed=20
>stories) was originally 55 and 55 round a centre ground (long gone)

I understand that they still use that ('that' being 55VAC with a=20
centre ground in UK
construction sites, for safety reasons (workers standing in water, etc.).

Eg. http://uk.rs-online.com/web/p/safety-site-transformers/2604317/

Best regards,
Spehro Pefhany


--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.