Re: [LAU] ground loop hell

     Keep lights on their own circuits, don't share
neutral or ground wires, make sure the neutrals
and grounds of lights are as long as possible
before they connect to audio neutrals and
grounds.
     A venue wanted dimmers for lights. The solid
state dimmers were really expensive for the
power required by the lamps. I found some
surplus autotransformers that worked great
for dimming, cost much less than the solid
state dimmers, and presented no noise on the
hots, returns, or grounds.

On 02/10/2015 05:49 AM, Len Ovens wrote:
> On Mon, 9 Feb 2015, David Christensen wrote:
>
>> On 02/08/2015 08:42 PM, Len Ovens wrote:
>>> ahead. I am going to set up a plan for power, signal and data for
>>> audio.
>>
>> It would be wise to complete the engineering before going further
>> with construction.
>
> Yes. That is why I am starting now.
>
>> Even if you are an electrical engineer, electronics technician,
>> and/or electrician, you might want to get a second set of eyes
>> checking your designs.
>
> That will happen anyway, but I would agree. I will not be running the
> wire or doing the install. But I do have input.
>
>>> I will do a second for stage lighting as well, if for no other reason
>>> than keeping the audio power from being used for lights :)
>>
>> It is wise to put lighting on it's own feeder and panelboard.
>
> That is why I need to think about it now. I expect our stage lighting
> will be minimal, but it does need some thought. There is also a coffee
> bar/kitchen close by to think about.
>
>
> --
> Len Ovens
> www.ovenwerks.net
>
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Received on Thu Feb 12 00:15:03 2015