when it comes down to it, rf is dependent on antennas. Antennas are typically tuned to receive or transmit certain frequencies. Never say never with rf noise and how it behaves…but…there is no reason that i see that emitted noise from those taped or zip tied together would amplify each other at all. dont wrap them around each other as that could cause new issues. i could be missing something and if so im sure someone else might chime in but i would not be concerned with it. You do need to do that other stuff you were talking about though as far as seperating all the other cables, in my opinion especially that usb cable
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off topic …but…that is one nice looking shop…
now that the plasma is there I give it 2 months…ahahahah…but seriously good work and thought into your shop.
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Thank you @toolboy! I’ve rearranged it about 3 times now, and I’ll probably need to move the belt sander and buffing wheel again, now that the plasma cutter is in the middle of that wall, but I’ve managed to fit all of my tools so that they can be used without having to move stuff around. That’s been my dream for a very long time, and I finally have the space to do it.
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I am so sorry @CrazyCasey - I am wrong!
I do not have the latest version of the NEC but after doing some research (should have done before I opened my mouth) it appears that 3 wire feeders (no ground) were allowed prior to 2008 NEC. Currently, separate structures must be fed with 4 wires and have its own grounding system (ie ground rods). In the latter case the distribution panel shall not be bonded. I was just going off my memory of when I fed my detached garage - I fed 4 wires but thought only 3 were required…
I guess I was just trying to point out that the rule had changed and even then the code is not likely optimized for EMI avoidance…
Todd
PS - I have read the entire thread and thank you for your continued follow up on your journey. I am about 2 months behind you (my table is with UPS) and was thinking I was going with primeweld. The hypertherm is a tough one to swallow but…
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No worries @smithto; thank you for clarifying. I’m a 4 wire feed, separate foundation ground rod, but currently my sub panel is bonded. I purchased a separate ground bar today, and planned to move all my equipment grounds off of the neutral bar (where they are currently).
Regarding the Hypertherm, here’s my take.
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You’re going to have less guesswork because it’s of the highest quality, and I believe you can get a CNC cable direct from Langmuir (no soldering tiny pin connectors).
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The cut voltage chart is going to save you material in every type and thickness you cut.
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The consumable life is vastly superior (or so I am told).
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I’m going to guess Hypertherm probably does a better job of shielding their machines.
So, with all of that said, you could get a Primeweld Cut 60, or an Everlast, or even a Harbor Freight machine and be fine, and you could technically buy the Hypertherm and have trouble, though that’s probably not very likely. BUT, if you’re unlucky, like me, then you will fairly quickly spend the money you saved going with the cheaper plasma cutter on wasted material and spent consumables.
I’m going to try and stick it out with the Primeweld because I have come this far, but I WISH I had spent the extra money on the Hypertherm up front.
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I did the same thing! Haven’t fired the machine up since. Fingers crossed for both of us 
I would venture to say most of us have bought or designed something on our set-ups that we wished we had known more at the time. I bought two hand torches that I never use with my Hypertherm. What an incredible waste of money. Then I had to spend a bunch for the machine torch.
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I run an old Panasonic Tough book I picked up from a police auction of surplus equipment. I have to run the older fire control because of graphics card issues. I actually have 2 of them. I’ll send you my spare to try with a fresh win10 install if you want to try it. The tough books have a lot of emi shielding built in them due to close proximity to police radios. Also they’re good about not being affected by power fluctuations.
PM if interested.
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That’s a very kind offer. One of the biggest hurdles for me has been that we moved out to the middle of nowhere a couple of months ago, and we haven’t really made many friends yet, so things that have been suggested like “borrowing another plasma cutter” or “borrowing another laptop” aren’t as simple as they sound.
Let me run some tests with my wire rerouting…and after re-wiring my sub panel, since it sounds like I need to do that anyway, and if I’m not getting anywhere with those things, I will take you up on that offer.
Thank you again very much, @MechanicJon!
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My friend @AVRCUSTOMS has been having many similar issues to my own. He just sent me a picture of the USB port on his electronics enclosure, which is making contact with the case. I checked my own case, and sure enough…
Could it be that simple? We will see…
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I would think that the outside of the usb port is grounded to the case internally anyway. the whole electronics enclosure is supposed to be isolated by the plastic insulator bracket that goes between the enclosure and the leg. I could be wrong though.
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My thc was going crazy with this contact! Spaced out the control board and works perfect so far!
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after doing some online research i believe what i stated earlier is accurate unless Langmuir installed the usb receptacle very uniquely. The metal case or outside of the usb is connected to the “ground plane” on the board it is soldered to internally.
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I asked Langmuir about this because I’m curious as well. All I know is it fixed my issues I’ve been fighting for a few days now.
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Only thing I can think of is it grounds else where, the whole control board is isolated from the case for a reason! I’ll post when I get a response!
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I did not realize the board was isolated from the case. that is interesting. i assumed the board was typically installed and that the entire case was the isolated part from the table. love learning new stuff. eager to hear what langmuir tells you. that would be a nice spot to have folks check that is easily fixed.
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Yes I was surprised to find the board isolated! I suspect many have had issues related to this, every picture I have seen the port is really close or touching the case!
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You guys both know more about this stuff than me, @AVRCUSTOMS & @DnKFab, but Langmuir told Austin that he should have 10k ohms between the table and usb port; and he didn’t have that until he got the usb port off of the case. I still have to check for that resistance on my own table, but Langmuir told me that I should definitely find a way to fix the contact, as that “could be an issue” in regards to the problem of live voltage freezing that I’ve reported to them.
VERY interesting! Thanks Austin for bringing this to my attention. Here’s hoping!
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I just took a picture of mine. I also have issues with FireControl freezing. Like you, I’ve been working through a lot of the potential root causes.
Did you or @AVRCUSTOMS re-align the port or take some other action?
Mine:
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