Re: being shocked by Amp casing
- From: Jasen Betts <jasen@xxxxxxxxxx>
- Date: 10 Jul 2008 10:06:10 GMT
On 2008-07-09, RobZ <robert.zeilinga@xxxxxxxxxxxxxxxxxx> wrote:
hi all, perhaps slightly off-topic but you guys have been of great
help to me in the past
When I was installing a new hifi amplifier last night, I realised i
was being lightly shocked each time i touched the amplifier case while
I was lying on the floor trying to re-route some of the speaker cables
behind the cabinet.
The shock is definatly between the Amplifier case and the floor. ( no
frayed wires - new installation)
the amplifier is supplied by a 2 wire AC cord ( no earth )
what is causing this?
capacitance from live to the body of the amplifier,
if the power cord has a reversible plug on either end try reversing it.
is this dangerous?
if this is new equipment probably not.
Can I add my own earth wire ( joined to the case, to the AC socket
Earth Plug) ? will this help?
almost certainly, especially if the maker has provided an earthing
terminal on the amplifier, but if you have other audio equipment that is
already earthed it may be better to earth your amp to that equipment.
Bye.
Jasen
.
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