Re: strange electrical issue - anyone have any knowledge of what to do.


Roland Christen
 

Same here. Been using them in my observatory for years without problems.

Roland



-----Original Message-----
From: 'Steven Reilly' sreilly24590@... [ap-gto]
To: ap-gto
Sent: Fri, Oct 20, 2017 5:51 pm
Subject: RE: [ap-gto] strange electrical issue - anyone have any knowledge of what to do.



I’ve been using Pyramid 12 amp PS and they have always worked great. Not saying there couldn’t be a problem but just a data point. One on the mount and one on the dew heaters.
 
-Steve
 
 
From: ap-gto@... [mailto:ap-gto@...]
Sent: Friday, October 20, 2017 6:23 PM
To: ap-gto@...
Subject: Re: [ap-gto] strange electrical issue - anyone have any knowledge of what to do.
 
 
There probably isn't a perfect solution out there.
 
Only buying quality, brand name equipment helps. As would having a good multimeter in your kit and knowing how to use it.

There are 12V gfci devices out there but I have not researched what might offer simple and meaningful protection for telescopes and small observatories.
 
Maybe I'll look into that.
 

-Christopher Erickson
Observatory engineer
Waikoloa, HI 96738
www.summitkinetics.com
   
 
On Oct 20, 2017 12:12 PM, "'Joseph Zeglinski' J.Zeglinski@... [ap-gto]" <ap-gto@...> wrote:
 
Chris,
 
    Of course, you are correct – manufacturers would rather save $2 and leave the risk to “probability and statistics”.
I was just wondering what WE can do – invest in some kind of safety device -  for our extremely expensive investment – to protect the electronics from “whatever” is causing a ground fault. That’s without pointing a/the  finger at any specific manufacturer. This problem is just all too common.
 
    Yes, a huge copper (earth ground) stake in the ground is one simple way – but perhaps inconvenient  in portable setups.
 
Joe
 


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