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Old 3rd Jul 2011, 6:59 am   #1
Neil Purling
Nonode
 
Join Date: Jul 2005
Location: Hull, East Yorkshire, UK.
Posts: 2,083
Default Is the mains 'earth' good enough?

In the context of the home-brewed radio set.
A design in Dec 1962 Pract Wireless. The power was via a 2 core cable, but the design had a transformer for HT & LT so the chassis was 'cold'. There was a socket for your own 'earth' connection wired to the chassis.
If I use 3-core mains cable and connect the earth wire to chassis is it going to be good enough?

I know considerations of electrical safety were different then. I also suppose that some people might not have had 3-pin plugs in their homes too.
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