[Test-Equipment] Mains protection for work bench test equipment?

[J Forster]

I had a customer that used such a tap changer on an island off the Maine coast
to run his Data General Nova 1200 computer which has a switching power supply.
The combo went into a limit cycle oscillation which was cured by ADDING more
load to the conditioner.

I had exactly the same thing happen when using Novas in China in the late
1970s.

Best,
-John



Bob Parnass, AJ9S wrote:

> On Sunday 17 February 2008, davec wrote:
> > What kind of protection do y'all use for mains power for your test
> > equipment? Surely not the cheap "surge-protector" power strips?
>
> I have a large Tripp Lite AC line conditioner on my test bench and another
> protecting my radio gear.   These are the type which employ a multitap
> transformer and relays to maintain an almost constant line voltage.  They
> have spike protection, too.