[sudo-discuss] Replace Sudo elec outlets with GFI

[Whitney Lawrence]

I can come by this evening to take a look. I left a label on the panel and
color coded the wiring with electrical tape just in case the labels were
lost/removed etc.

On Tue, Jan 27, 2015 at 12:41 PM, David Keenan <dkeenan44 at gmail.com> wrote:

> Excellent, thanks for that input. I think there's a few circuits on the
> upstairs subpanel that are Sudo's - Rayc labelled the one that flipped I
> believe, but all sudo's circuits should all be so marked next time someone
> who knows gets a chance (Whitney?)
>
> I believe the circuits are 30A & 1 70A for the robot, but I'm going from
> memory here -
>
> - Can someone confirm which circuits are Sudos on the 'crow's nest'
> subpanel, and tell the list what those circuits are rated at? (And label /
> write with sharpie 'Sudo' next to them on the panel)? Whitney, I don't know
> if you remember this or have notes of it -
>
> - Can someone with skillz pass on links to suitable isolation transformers
> that are currently on eBay?
>
> Best,
> David
>
>
> On Tue, Jan 27, 2015 at 12:00 PM, Steve Berl <steveberl at gmail.com> wrote:
>
>> As long as the isolation transformer has current limiting fuse/breaker,
>> which has a lower limit than the main breaker, this should help and be
>> safer for the experimenters.
>>
>> -steve
>>
>> On Tue, Jan 27, 2015 at 11:49 AM, David Keenan <dkeenan44 at gmail.com>
>> wrote:
>>
>>> Adam was there and I feel can explain far better than I why the breaker
>>> flipped, but we do know why it occurred.
>>>
>>> In the most basic language folks are shorting the circuit by working on
>>> electronics & machines that are connected up to power. So it's not that the
>>> circuit is being 'overloaded' by say drawing too many Amps, its from a
>>> miswire -
>>>
>>> Since you asked it was the gentleman named Sam with the electric
>>> motorbike, who was working on a project (looked like a motor, or?) that
>>> flipped the breaker. Not sure if I have said person's email but presumably
>>> they are on this list -
>>>
>>> It's important for me to say that Sudo is around precisely for such
>>> experimentation and hackery and Sam should not feel badly for flipping the
>>> breaker. Rather, I feel we need to create safer workspaces and workflows
>>> (as much as we can at any rate) for such experimentation to take place so
>>> that upstream consequences for the rest of the building are minimized.
>>>
>>> Best,
>>> David
>>>
>>> On Tue, Jan 27, 2015 at 11:41 AM, Steve Berl <steveberl at gmail.com>
>>> wrote:
>>>
>>>> If people are overloading the circuit breakers, or the breakers are
>>>> tripping at lower than designed currents, this will not help.
>>>>
>>>> Before buying anything you should figure out why the breakers are
>>>> tripping.
>>>>
>>>> -steve
>>>>
>>>> On Tue, Jan 27, 2015 at 11:38 AM, David Keenan <dkeenan44 at gmail.com>
>>>> wrote:
>>>>
>>>>> Killer. Adam - since I obviously lack the technical literacy to scope
>>>>> eBay for the properly right stuff, might this be something you'd be willing
>>>>> to look for on our behalf - i.e., pass on links to some Adam-approved eBay
>>>>> isolation transformers)?
>>>>>
>>>>> If Sudo does not have the funds to hand to acquire these, depending on
>>>>> the cost I will make a request of Omni Commons to purchase. As I see this
>>>>> as something that will help us pass our Fire Life & Safety inspection for
>>>>> the building..
>>>>>
>>>>> David
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Jan 27, 2015 at 11:21 AM, Adam Munich <adam at aperture.systems>
>>>>> wrote:
>>>>>
>>>>>> It would be better to get something like this on eBay, because large,
>>>>>> ie several kilowatt transformers typically can be had for pennies on the
>>>>>> dollar there. Low voltage transformers really don't go bad so the age
>>>>>> doesn't matter.
>>>>>> On Jan 27, 2015 11:19 AM, "David Keenan" <dkeenan44 at gmail.com> wrote:
>>>>>>
>>>>>>> Yes to this Adam, thank you. I searched around and found a product
>>>>>>> like this
>>>>>>> <http://www.officedepot.com/a/products/147370/Tripp-Lite-IS1000HG/?cm_mmc=PLA-_-Google-_-Computer_Tablet_Accessories-_-147370-VQ6-42102167876-VQ16c-VQ17-pla-VQ18-online-VQ19-147370-VQ20-72939322076-VQ21-> -
>>>>>>> Adam would you say this is the right sort of product for sudo or can you
>>>>>>> reccomend a better / more affordable one?
>>>>>>>
>>>>>>> David
>>>>>>>
>>>>>>> On Tue, Jan 27, 2015 at 11:09 AM, Adam Munich <adam at aperture.systems
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> I think the ideal solution here would be to get some form of
>>>>>>>> isolation transformer with an in-line breaker for when people want to fuck
>>>>>>>> with the line. In this way it is very difficult to a) electrocute yourself
>>>>>>>> and b) cause damage to the circuits.
>>>>>>>>
>>>>>>>> Further if we ever get a safety inspection this would appease
>>>>>>>> people swiftly.
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> sudo-discuss mailing list
>>>>> sudo-discuss at lists.sudoroom.org
>>>>> https://lists.sudoroom.org/listinfo/sudo-discuss
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> -steve
>>>>
>>>
>>>
>>
>>
>> --
>> -steve
>>
>
>
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