15-12-2016, 12:06 AM
(This post was last modified: 15-12-2016, 12:07 AM by Valvebloke.)
(14-12-2016, 10:02 PM)spot-wobble Wrote: When I wire a plug I never bother which way artound the live and neutral are!
I've just spent the evening trying to find the source of some 50Hz hum in a vintage audio pre-amp. It turns out that if the single-pole mains switch is used to switch the neutral then there's a lot less hum than if it's used to switch the live. Sometimes 'not bothering' can have consequences :-).
VB
Ampregen Ltd http://www.ampregen.com
