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Author Topic:   Quick Questions, Short Answers - No Debate
Percy
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Posts: 22392
From: New Hampshire
Joined: 12-23-2000
Member Rating: 5.3


(1)
Message 556 of 653 (864485)
10-11-2019 8:05 PM
Reply to: Message 555 by RAZD
10-10-2019 12:59 PM


Re: A reminder about heating, and power strips
It would be nice if circuit breakers were a required rather than optional feature of power strips.
--Percy

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 Message 555 by RAZD, posted 10-10-2019 12:59 PM RAZD has seen this message but not replied

  
dwise1
Member
Posts: 5930
Joined: 05-02-2006
Member Rating: 5.8


Message 557 of 653 (864499)
10-12-2019 4:08 AM
Reply to: Message 555 by RAZD
10-10-2019 12:59 PM


Re: A reminder about heating, and power strips
Every electrician and electronics technician and electrical engineer has studied the theory behind this problem as the most basic introductory subject matter in their professions. It's almost like 1+1 is for mathematicians.
Voltage equals current times resistance (E = IR, Ohm's Law) and power (which translates to heat that has to be dissipated) equals voltage times current (P = EI, easy as pie -- though you will have to scroll down in that link).
In a series circuit, all the resistances are lined up along a single path of current flow. There, the voltage (in reference to zero volts) is different at every resistance -- such a setup can be used as a voltage divider. The current is determined by the total resistance, which is the simple sum of all the resistances. That's not what we are talking about here.
In a parallel circuit (which we are talking about), the voltage across every parallel circuit is the same. The current being drawn is still determined by the total resistance, but that is no longer a simple sum -- if you want to see what that is, either research it yourself or message me, but it ends up being less than the smallest resistance of any parallel branch.
To make it simpler for a non-electrical type to understand, take that same voltage across all parallel branches and apply it to all the different resistances of every branch to determine how much current each and every one of them will draw, and add up all those currents to find out how much current all of them will draw. Then multiply that total current by the voltage to see how many Watts of power (AKA "heat") that will generate.
Now, the more parallel circuits you have, the more current they will draw and the more power (AKA "heat") they will generate and that will need to be dissipated. So you have lots of devices plugged into your power strip and you plug another power strip into that with lots of devices plus another power strip, etc. Doing that, you could easily exceed the power rating of your house wiring or at least of the original powerstrip. Now when you plug in devices designed to draw lots of power because their purpose is to heat up a living space, then you are just asking for trouble.
Edited by dwise1, : first paragraph plus mnemonic link

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RAZD
Member (Idle past 1405 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 558 of 653 (864509)
10-12-2019 10:51 AM
Reply to: Message 557 by dwise1
10-12-2019 4:08 AM


So Fitchburg ...
Now, the more parallel circuits you have, the more current they will draw and the more power (AKA "heat") they will generate and that will need to be dissipated. So you have lots of devices plugged into your power strip and you plug another power strip into that with lots of devices plus another power strip, etc. Doing that, you could easily exceed the power rating of your house wiring or at least of the original powerstrip. ...
So if you have a basement full of plants with grow lights plugged into power strips, plugged into power strips, plugged into power strips ....
Even though the grow lights themselves (fluorescent) do not draw a lot of power, the accumulated demand creates a potential fire hazard. To say nothing about the damp environment...
That's my thoughts.
Thanks
Edited by RAZD, : .
Edited by RAZD, : ..

we are limited in our ability to understand
by our ability to understand
RebelAmericanZenDeist
... to learn ... to think ... to live ... to laugh ...
to share.


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RAZD
Member (Idle past 1405 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 559 of 653 (865787)
10-30-2019 4:40 PM


Bandwidth usage
Apparently I am using 93.38 MB (373.52%) of bandwidth (25.00 MB plan)
When I only have 66 MB (0.27%) Storage Used and I am not actively posting pictures? Do search etc robots cruising the forums cause this?
I know of one (1) picture I have linked recently on this forum (Message 7). I don't need to use these photobucket pictures on other forums, so as far as I can see this one picture is causing 93.38 MB of bandwidth usage for the month.
How can I control this?
Does the [thumb] command use less bandwidth than the [img] command?
Thanks

we are limited in our ability to understand
by our ability to understand
RebelAmericanZenDeist
... to learn ... to think ... to live ... to laugh ...
to share.


Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

Replies to this message:
 Message 561 by Theodoric, posted 10-31-2019 8:54 AM RAZD has replied

  
caffeine
Member (Idle past 1024 days)
Posts: 1800
From: Prague, Czech Republic
Joined: 10-22-2008


Message 560 of 653 (865808)
10-31-2019 8:24 AM
Reply to: Message 555 by RAZD
10-10-2019 12:59 PM


Re: A reminder about heating, and power strips
Be safe. Avoid extension cords to heaters if you can. Use outdoor extensions if you need one.
Better yet, just put a jumper on.
Edited by caffeine, : No reason given.

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Theodoric
Member
Posts: 9076
From: Northwest, WI, USA
Joined: 08-15-2005
Member Rating: 3.7


Message 561 of 653 (865812)
10-31-2019 8:54 AM
Reply to: Message 559 by RAZD
10-30-2019 4:40 PM


Re: Bandwidth usage
Bandwith and data maxes are different things.
A 25.00 MB plan would mean you can only download 25MB of data per month. Do you mean 25 Mbps? A max of 25MB of data per month would be worthless so I think you must mean Mbps. For example since I turned on my computer 45 mins ago, my computer has downloaded 113 MB of data and uploaded 9 MB. The Mbps speed is irrelevant to the total data that is downloaded.
Are you on a cell plan or a satellite plan?. Those are practically the only plans that have data caps. If so what is your data cap? It can not be 25 MBs?
For, example I have a 20 Mbps plan, of which real world speed is about 12 Mbps. These days, this does not even qualify as broadband.
https://www.nbcnews.com/...finition-broadband-speeds-n296276
But, as it is a DSL connection, I do not have a data cap. If I was abusing the service, for example downloading movies all day every day, my service provider might throttle my speed. But we would be talking 100's of GB of data for that to happen.
I think the rest of your questions are irrelevant if you are on a standard internet plan. Bandwidth is not something that accumulates. It is the speed data is moving at a particular moment. Unless your plan has a data cap you do not have to worry about the pictures you link to.

Facts don't lie or have an agenda. Facts are just facts
"God did it" is not an argument. It is an excuse for intellectual laziness.
If your viewpoint has merits and facts to back it up why would you have to lie?

This message is a reply to:
 Message 559 by RAZD, posted 10-30-2019 4:40 PM RAZD has replied

Replies to this message:
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RAZD
Member (Idle past 1405 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 562 of 653 (865819)
10-31-2019 11:11 AM
Reply to: Message 561 by Theodoric
10-31-2019 8:54 AM


Re: Bandwidth usage: photobucket
Bandwith and data maxes are different things.
A 25.00 MB plan would mean you can only download 25MB of data per month. Do you mean 25 Mbps?
This is photobucket, which I have been using to store the images I post on threads here. I am currently well below that limit for stored pictures, that is not the problem.
I think the rest of your questions are irrelevant if you are on a standard internet plan. Bandwidth is not something that accumulates. It is the speed data is moving at a particular moment. Unless your plan has a data cap you do not have to worry about the pictures you link to.
Except this is where the problem with photobucket is involved: they say my bandwidth use to view the pictures is way over their plan limit.
I don't understand where this bandwidth usage is coming from, it's like the pictures are constantly being viewed over and over and over.
and I don't have any control over it.
Thanks

we are limited in our ability to understand
by our ability to understand
RebelAmericanZenDeist
... to learn ... to think ... to live ... to laugh ...
to share.


Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

This message is a reply to:
 Message 561 by Theodoric, posted 10-31-2019 8:54 AM Theodoric has replied

Replies to this message:
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jar
Member (Idle past 394 days)
Posts: 34026
From: Texas!!
Joined: 04-20-2004


Message 563 of 653 (865828)
10-31-2019 2:48 PM
Reply to: Message 562 by RAZD
10-31-2019 11:11 AM


Re: Bandwidth usage: photobucket
RAZD writes:
Except this is where the problem with photobucket is involved: they say my bandwidth use to view the pictures is way over their plan limit.
Ah, makes sense.
Remember the limit they are talking about is the sum of every access from every viewer. So if I look at it and you look at it the use is 2x. If three others look at it the use is 5x. And if we go back to check a detail it is 10x.
Edited by jar, : applain spallin

My Sister's Website: Rose Hill StudiosMy Website: My Website

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 Message 562 by RAZD, posted 10-31-2019 11:11 AM RAZD has replied

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RAZD
Member (Idle past 1405 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 564 of 653 (865834)
10-31-2019 5:52 PM
Reply to: Message 563 by jar
10-31-2019 2:48 PM


Re: Bandwidth usage: photobucket
Remember the limit they are talking about is the sum of every access from every viewer. So if I look at it and you lokk at it the use is 2x. If three others look at it the use is 5x. And if we go back to check a detail it is 10x.
okay, but I am being punished (pictures blurred out) for something I have no control over.
and it's probably not even the picture being looked at but the thread being loaded for people to see the latest posts with nothing to do with the picture.
that's not right.
This has only cropped up since I paid for their basic plan. It looks like a sucker plan imho.

we are limited in our ability to understand
by our ability to understand
RebelAmericanZenDeist
... to learn ... to think ... to live ... to laugh ...
to share.


Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

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Theodoric
Member
Posts: 9076
From: Northwest, WI, USA
Joined: 08-15-2005
Member Rating: 3.7


(2)
Message 565 of 653 (865835)
10-31-2019 6:01 PM
Reply to: Message 562 by RAZD
10-31-2019 11:11 AM


Re: Bandwidth usage: photobucket
Ah yes the photobucket bandwidth issue. Sorry I missed that part the first time. It is a well known problem. There is nothing you can do about it. They are just trying to monetize there service. The changed terms of service a couple years ago. I think their bandwidth cutoff is pretty low. There must be other sites that are a bit more liberal in allowing the viewing of stored images. If they are going to charge at such a low level of actual use then storing images there is cost prohibitive and not worth it.
You would have to store images of such low quality that it would not be worth the effort to store there.

Facts don't lie or have an agenda. Facts are just facts
"God did it" is not an argument. It is an excuse for intellectual laziness.
If your viewpoint has merits and facts to back it up why would you have to lie?

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 Message 562 by RAZD, posted 10-31-2019 11:11 AM RAZD has seen this message but not replied

  
NosyNed
Member
Posts: 8996
From: Canada
Joined: 04-04-2003


(2)
Message 566 of 653 (865836)
10-31-2019 6:05 PM
Reply to: Message 563 by jar
10-31-2019 2:48 PM


Definitions
Bandwidth vs Size
The bandwidth is in volume per time period. What you are describing is total size. So I have a 30 MB/second bandwidth cap on my internet service (for downloads) but I have hundreds (actually unlimited) capacity in total bytes movable up or down.
Jar, describes accessing a photo 2 or 5 or 10x. The only thing that has to do with bandwidth is how fast a 1 meg foto will move up or down.
I'd say in general that you can NOT exceed your bandwidth. It is set by the server. But you can, by moving the picture many many times exceed your allowable amount of data moved.

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Theodoric
Member
Posts: 9076
From: Northwest, WI, USA
Joined: 08-15-2005
Member Rating: 3.7


Message 567 of 653 (865838)
10-31-2019 6:11 PM
Reply to: Message 566 by NosyNed
10-31-2019 6:05 PM


Re: Definitions
Here is photobucket's bullshit explanation. It actually has nothing to do with bandwidth.
quote:
Storage vs. Bandwidth (What's The Difference?)
Your storage is related to how many images/videos you are uploading to your Photobucket account.
Your account bandwidth, or linking bandwidth, gauges how many times someone has viewed your linked image on a 3rd party site.
To further explain, bandwidth is a measure of the resources used to serve (display) media from your Photobucket account to 3rd party sites (like blogs, forums, etc). The size of the image or video will increase the amount of bandwidth you use when you link out to other sites.
Direct views of your images/videos on Photobucket does not use any bandwidth. Bandwidth is only used when the image is posted outside of Photobucket, which we define this as 3rd party hosting.
Learn more about 3rd party hosting here.
Examples of bandwidth usage:
-Lets say you have 100 photos that are 1MB in size each, and you are linking every single one of them out to your blog/website. 100 images at 1MB in size means that you are linking out just under 100MBs in data size for all those images. Those photos would need to be viewed 100 times a piece to reach 10GB bandwidth.
-If you only linked out 10 photos that are 1MB in size, those 10 photo would need to be viewed over 10,000 times before you would reach 10GB bandwidth.
-If you had 10 videos on your blog/website that were 100MBs in size, that would equal out to just under 1GB in file size. If those videos were viewed 100 times total, you would reach 10GB bandwidth.

Security check-
Edited by Admin, : Duplicate original formatting, include link.

Facts don't lie or have an agenda. Facts are just facts
"God did it" is not an argument. It is an excuse for intellectual laziness.
If your viewpoint has merits and facts to back it up why would you have to lie?

This message is a reply to:
 Message 566 by NosyNed, posted 10-31-2019 6:05 PM NosyNed has not replied

  
caffeine
Member (Idle past 1024 days)
Posts: 1800
From: Prague, Czech Republic
Joined: 10-22-2008


(1)
Message 568 of 653 (865863)
11-01-2019 10:39 AM
Reply to: Message 564 by RAZD
10-31-2019 5:52 PM


Re: Bandwidth usage: photobucket
Move to imgur. No such restrictions, and at the moment there isn't even the option to pay for an account. Not quite sure what their business model is, but it's useful for now at least,

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RAZD
Member (Idle past 1405 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 569 of 653 (865992)
11-03-2019 5:16 PM
Reply to: Message 568 by caffeine
11-01-2019 10:39 AM


Re: Bandwidth usage: photobucket - caved
Move to imgur.
I think I tried imgur and had some issues with it.
Doesn't matter at this point, I caved and upgraded to unlimited bandwidth.
Also I already have most of my images on photobucket
Enjoy

we are limited in our ability to understand
by our ability to understand
RebelAmericanZenDeist
... to learn ... to think ... to live ... to laugh ...
to share.


Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

This message is a reply to:
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dwise1
Member
Posts: 5930
Joined: 05-02-2006
Member Rating: 5.8


Message 570 of 653 (869214)
12-25-2019 6:36 PM


Question about Social Use of Liters
I feel that I have known and understood most of what I should about the metric system for half a century or so. I'm very comfortable with it, find it far easier to use than the US customary units system, and would like to see the USA finish converting over to metric. I'm even working on a couple web pages on the subject.
However, I've encountered a couple things about liters and how they're used "in the wild" that have confused me. I hope that someone with real world experience (ie, "in the wild", such as in Continental Europe) could help.
For example, in Germany in the 70's I found that every cup or glass had a fill-level mark and the volume when filled printed on it -- that included drinking vessels for home use and even paper cups. I saw the same thing a few years ago on a glass in a hotel bar in England.
Last night my friend's brother served me some whiskey in a shot glass from a set he had been given. It had a fill line so after I finished my drink (wasn't going to fall for that old Laurel and Hardy trick) I looked on the bottle of the glass and could just barely make out "2.3 L" in which the "L" was in cursive. Knowing from my graduated shot glass at home that a shot glass holds about 30 ml, I deducted that that "L" must stand for centiliters (cl). But whenever I see a cursive capital "L", am I supposed to always interpret that as centiliters? And in which countries would that apply and not apply? (IOW, is it standard?)
Then two years ago near Milan was the event that got me wondering in the first place what was going on. The menu at the pizzeria gave the size of its glass of beer as "0,9 cL". To me, that said "0.9 centiliters", which would be a rather small glass, not even a third of a shot (this was before I researched the size of shot glasses). However, it turned out to mean 0.9 liters!
So when did "cL" come to mean "liters"? And how prevalent is that? Reference to a page explaining marking conventions would be helpful -- I can handle reading in English, German, French, Spanish, and Italian (even some Swedish in a pinch).
BTW FYI and on a side note, one day I was buying a bottle of vitamins at the drug store and the dosage was given as "800 MCG". I hadn't encountered that before so I asked the pharmacist who told me that it meant 800 micrograms. I guess it's a pharmacist convention in the USA since very few of our typewriters have a key for the letter mu (μ) which stands for "micro". Just in case anyone else had encountered that and was wondering.

Replies to this message:
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 Message 574 by caffeine, posted 12-27-2019 5:33 AM dwise1 has replied
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