For those of you who are wondering how to get clean power to your PDP-10

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Bradford Miller

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Aug 30, 2025, 1:22:59 PM (8 days ago) Aug 30
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terry-...@glaver.org

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Aug 30, 2025, 1:56:46 PM (8 days ago) Aug 30
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I had one of those at SPC. We got it as a donation from the local power company after complaining about the electric service (specifically, after they pulled a phase reversal stunt that caused my RP07 drives to jump and kill themselves).

It requires oddball circuit breakers (there's a full circuit breaker panel under the hinged top) and then you need to either build or buy pigtails made out of flextite conduit and outdoor-grade receptacle boxes. 

We ended up hooking it up just on the input side so we could look at voltages and use its monitoring and problem reporting (there's a little receipt-style printer on the top left with the other controls). We'd usually get a foot or two of power problem printouts over each 24-hour period.

Andrew O'Neill

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Aug 30, 2025, 2:17:29 PM (8 days ago) Aug 30
to terry-...@glaver.org, PiDP-10
I'm trying to work out how to get this one past my wife 🤔

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Andy

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Aug 30, 2025, 3:47:33 PM (8 days ago) Aug 30
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let me know your secret!!

Tim Radde

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Aug 30, 2025, 4:25:21 PM (8 days ago) Aug 30
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Kinda hard to sneak something that big into the house.  :)

Bradford Miller

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Aug 30, 2025, 4:36:45 PM (8 days ago) Aug 30
to Tim Radde, PiDP-10
The key is not to try. “Sweetie, I’ve finally got what we need to fix those darn flickering lights!”

If necessary, be sure to flicker the lights for several days before your item arrives.

Adam Morris

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Aug 30, 2025, 5:15:44 PM (8 days ago) Aug 30
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Disguise it as a washing machine.

You will be stuck doing the laundry for ever more, but you can't have everything.

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