[sudo-discuss] Replace Sudo elec outlets with GFI

[hol at gaskill.com]

> every power strip ever has its own 15-amp circuit breaker, which will 
> pop before the one in the panel

jake i think with 2 power strips that's 30 amps before they pop, so 
quite likely the panel breaker would pop first with multiple strips 
going.

also, is the purpose of the isolation transformer to act as a load 
reactor for heavy loads? If so, I would propose attaching it to the 
loads rather than the panel. Like whit says more legs is probably the 
best answer.

cheers

On 2015-01-29 13:31, Whitney Lawrence wrote:

> I don't recognize the problem that is the cause of our discussion, so I 
> won't endource purchasing a transformer until (a) I understand the 
> problem, or (b) we get the transformer for free and someone else 
> installs it.
> 
> Tripping breakers is not a cause for concern in my view unless it's 
> happening on a regular basis.
> 
> The servers are on a dedicated breaker within the box in the "crows 
> nest" so unless the breaker that supplies that box is tripped there is 
> no risk to the Internet connection.
> 
> Installing this hypothetical transformer should be considered along 
> with the installation implications. After all, to take full advantage 
> of the transformer as a safety and security feature it should be 
> installed off the main panel, not off a sub, of a sub. what that means 
> is a cable run from the main, either within existing conduit or 
> otherwise to somewhere else in the building. Which has a cost.
> 
> basically I think we're putting the cart before the horse here. Why 
> research the purchase of equipment when the nature of the problem and 
> its alternative solutions are not fleshed out?
> 
> -whit
> 
> On Thursday, January 29, 2015, David Keenan <dkeenan44 at gmail.com> 
> wrote:
> I'd just like to bump this thread up again in the hopes that someone 
> knowledgeable will trawl eBay for suitable isolation transformers?
> 
> On Tuesday, January 27, 2015, David Keenan <dkeenan44 at gmail.com> wrote:
> Yes, what I mostly meant by upstream effects is that flipping the 
> breaker obviously turns off a lot of other outlets in Sudo and possibly 
> breaks others' projects.
> 
> I don't think a space heater was running, but I wouldn't swear to it.
> 
> David
> 
> On Tuesday, January 27, 2015, Patrik D'haeseleer <patrikd at gmail.com> 
> wrote:
> 
> I suspect part of the problem is that the Bocce ball court gets so cold 
> that people have been using space heaters. If most of the outlets are 
> on a single breaker, it doesn't take too much extra to trip a breaker 
> if you have a heater running...
> 
> Patrik
> 
> 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 [1] - 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.
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-steve
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Links:
------
[1] 
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-
[2] https://lists.sudoroom.org/listinfo/sudo-discuss