30-07-2015, 05:24 PM
Nick, if you are using pots then this link I put in the archives some time ago is a useful reference and read, most of everything that needs knowing is in there including ratings etc, it's from Bourns the pot maker:
http://www.bourns.com/pdfs/OnlinePotenti...ndbook.pdf
Lawrence.
http://www.bourns.com/pdfs/OnlinePotenti...ndbook.pdf
Lawrence.







