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Re: Can we talk safety for a moment?
I was a support specialist on large mainframes in the 1960s and 70s. The DC supply outputs were less than 2 volts, but at over 100A. Rings and watches were a no-no, because if you shorted a power bus
I was a support specialist on large mainframes in the 1960s and 70s. The DC supply outputs were less than 2 volts, but at over 100A. Rings and watches were a no-no, because if you shorted a power bus
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By
Cliff Carrie
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#144680
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Re: Can we talk safety for a moment?
Same in down state Michigan. Forgot about the section regarding the neutral being bonded with a screw in the service panel. I'm guessing that bonds the neutral in the meter box per the wiring spec.
Same in down state Michigan. Forgot about the section regarding the neutral being bonded with a screw in the service panel. I'm guessing that bonds the neutral in the meter box per the wiring spec.
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By
jafinch78 .
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#144679
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Re: 7633 after recap
Never mind. Since the text is oriented properly, that's probably a dumb guess. Sorry.
Thanks,
Barry - N4BUQ
Never mind. Since the text is oriented properly, that's probably a dumb guess. Sorry.
Thanks,
Barry - N4BUQ
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By
n4buq
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#144678
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Re: 7633 after recap
Does the vertical adjustment move the trace horizontally? If so, then are you sure you reconnected the pins back to the CRT correctly?
Just a guess...
Thanks,
Barry - N4BUQ
Does the vertical adjustment move the trace horizontally? If so, then are you sure you reconnected the pins back to the CRT correctly?
Just a guess...
Thanks,
Barry - N4BUQ
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By
n4buq
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#144677
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7633 after recap
When I got this i was not sweeping or anything I did a recap which was brutal. Now it sweeps but its sweeping vertically with no trigger. https://ibb.co/mXW6D7 weird
When I got this i was not sweeping or anything I did a recap which was brutal. Now it sweeps but its sweeping vertically with no trigger. https://ibb.co/mXW6D7 weird
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By
Brendan
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#144676
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Re: Can we talk safety for a moment?
It is not necessarily the contact of the ring with an energized circuit that will cause trauma.
The recoil from a shock with the ring catching on something that will possibly forcibly amputate the
It is not necessarily the contact of the ring with an energized circuit that will cause trauma.
The recoil from a shock with the ring catching on something that will possibly forcibly amputate the
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By
Glenn Little
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#144675
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Re: Can we talk safety for a moment?
Chuck and et al,
I have just learned something new! It has been a good day. You stated that this is a new requirement. The last house that I wired was almost 15 years ago. UFER wasn't required.
Chuck and et al,
I have just learned something new! It has been a good day. You stated that this is a new requirement. The last house that I wired was almost 15 years ago. UFER wasn't required.
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By
Richard R. Pope
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#144674
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Re: Tek 465B Preset Potentiometer Problems
Pots and switches in old equipment often have contact problems, but you don't necessarily have to replace them. First try working them over by turning the wiper through the entire mechanical range - a
Pots and switches in old equipment often have contact problems, but you don't necessarily have to replace them. First try working them over by turning the wiper through the entire mechanical range - a
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By
Ed Breya
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#144673
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Tek 465B Preset Potentiometer Problems
Hello Group,
I have this Tek 465B which was stored away for 5-6 years, and brought out again recently for routine use. As I switched this on, I noticed a few problems.
1. No output on calibrator
Hello Group,
I have this Tek 465B which was stored away for 5-6 years, and brought out again recently for routine use. As I switched this on, I noticed a few problems.
1. No output on calibrator
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By
Shailendra Krishan
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#144672
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Tek 2465a grid bias and brightness problems
Hi, I have recently managed to acquire a 2645a, it is in wonderful
conditions with the nvram battery still ticking since 1986. I have already
performed some maintenance work, replaced all the
Hi, I have recently managed to acquire a 2645a, it is in wonderful
conditions with the nvram battery still ticking since 1986. I have already
performed some maintenance work, replaced all the
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By
Francesco
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#144671
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Re: Can we talk safety for a moment?
Hello All,
Many, many years ago the BBC were setting up their second TV
channel....... I said it was many years ago! During the testing they
sent out various bits of film and old
Hello All,
Many, many years ago the BBC were setting up their second TV
channel....... I said it was many years ago! During the testing they
sent out various bits of film and old
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By
John Parkins G8KVP
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#144670
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Looking for late Tek 2232 Svc Manual (070-8548-00)
Dear Group- I would like to attempt a recap of the power supply on my B03xxxx Tektronix 2232. Anyone have any tips? I see that the commonly found manuals stop at B029999. Although there is some
Dear Group- I would like to attempt a recap of the power supply on my B03xxxx Tektronix 2232. Anyone have any tips? I see that the commonly found manuals stop at B029999. Although there is some
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By
rclark@...
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#144669
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Re: Can we talk safety for a moment?
Thank you William. I see I need some corrections in the finer
details of my recollections... It has been 20 years since I let
my license lapse.
In my local code, nothing but the UFER is acceptable
Thank you William. I see I need some corrections in the finer
details of my recollections... It has been 20 years since I let
my license lapse.
In my local code, nothing but the UFER is acceptable
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By
Chuck Harris
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#144667
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Re: Can we talk safety for a moment?
David and et al,
For those of us who will not remove their wedding ring/s you can thoroughly wrap them in adhesive tape. There must not be any exposed metal and two layers are better than one.
David and et al,
For those of us who will not remove their wedding ring/s you can thoroughly wrap them in adhesive tape. There must not be any exposed metal and two layers are better than one.
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By
Richard R. Pope
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#144666
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Re: Can we talk safety for a moment?
Sorry. The meter box. The ground rod had to be near the pole (which I also had to put in).
Vince.
--
Michigan VHF Corp. http://www.nobucks.net/ http://www.CDupe.com/
Sorry. The meter box. The ground rod had to be near the pole (which I also had to put in).
Vince.
--
Michigan VHF Corp. http://www.nobucks.net/ http://www.CDupe.com/
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By
Vince Vielhaber
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#144665
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Re: Can we talk safety for a moment?
Vince,
Which box? The Meter Box or the Main Service panel?
GOD Bless and Thanks,
rich!
Vince,
Which box? The Meter Box or the Main Service panel?
GOD Bless and Thanks,
rich!
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By
Richard R. Pope
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#144664
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Re: Can we talk safety for a moment?
Refer to MIL HDBK-419
for additional information.
This is available fro free download at many sites.
Glenn
--
-----------------------------------------------------------------------
Glenn Little
Refer to MIL HDBK-419
for additional information.
This is available fro free download at many sites.
Glenn
--
-----------------------------------------------------------------------
Glenn Little
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By
Glenn Little
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#144663
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Re: Can we talk safety for a moment?
I agree with what Chuck just said re grounding and NEC. I don't know what the present earth ground quality requirements are, but recall when I replaced the service in one of our houses a few years
I agree with what Chuck just said re grounding and NEC. I don't know what the present earth ground quality requirements are, but recall when I replaced the service in one of our houses a few years
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By
Ed Breya
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#144662
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Re: Can we talk safety for a moment?
This is supposed to be a discussion about Tek scopes, and I don't mean to be rude, but safety is kind of important, and so its good to be correct about what's acceptable/unacceptable for wiring
This is supposed to be a discussion about Tek scopes, and I don't mean to be rude, but safety is kind of important, and so its good to be correct about what's acceptable/unacceptable for wiring
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By
William Ray
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#144661
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Re: Can we talk safety for a moment?
I did a new service at a place we used to have up north. I was told the box was to be grounded with no less than an 8 foot ground rod with no less than #6 wire, #4 preferred.
Vince.
--
I did a new service at a place we used to have up north. I was told the box was to be grounded with no less than an 8 foot ground rod with no less than #6 wire, #4 preferred.
Vince.
--
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By
Vince Vielhaber
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#144660
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