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Need advice on electric safety

post #1 of 14
Thread Starter 
Ever since I got my family into PCs thing have been great, but one thing bothers me. Safety from fire-hazards, more specifically things like Surge protectors, and extension cords. So im trying to find detailed info, and a good way to explain to them that making (daisy chains) with surge protectors/extension cords is a bad idea, and why running a vacuum or a heater on the same surge protector you have your PC plugged into is a Really bad idea.



Anyone know if there's a specific department would help get some understanding on that or video. Anything?
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post #2 of 14
There is propably alot of websides that explain it very well.
You could just tell them, that the more things you plug into the same wallplug the more strain there is on it, and the more likely it is to catch fire.
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post #3 of 14
Thread Starter 
Trying to get the most accurate info, I don't really want random quote or unreliable sources. This is safety were talking about. Tempted to call the fire dept And ask. Im not cutting corners with this, but I have idea where to start asking.
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post #4 of 14
it is best to have multiple wall plugs and even then the lines feeding them should have a nice rating.. around my servers, network equipment and rigs i use 2000W rated surge protected power strips each with their own wall socket and line, but then im am running alot devices as well smile.gif
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post #5 of 14
Thread Starter 
what if they are in an apartment? No option to add more wall socket then.
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post #6 of 14
as you said its safety and potentially a fire hazard. I would try as best i can to distribute amongst different sockets.. but without knowing the circuit diagram of the apartment you could still be on the same line if the sockets used are in series. i would talk with the super of the building and find out what safety measures are in place such as safety cut devices that will trip when too much current is drawn.. a simple formula to calculate how much current or power is drawn is P =IV where I = current, V = Volts and P = Power thus I = P/V so if your line is rated at 20amps and assuming your in the US and your voltage is 110V thus 20 x 110 = 2200W of power you should be able to use from that line..
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elepow.html

even a 10amp rated source will safely let you you draw 1000W from a socket..
as i mentioned maybe check with the super of the building and even the fire dept if you are really concerned.
hope i have been of some help smile.gif
Edited by stubass - 3/25/12 at 5:07am
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post #7 of 14
people forget that 15amps on a single outlet is considered safe. You can run a lot with that much amperage.

Really if everything is wired correctly and the power is clean, I wouldn't really worry. I Run my portable heater on the same surge protector as my pc all the time. On low it only uses 500watts and its constant power, tested with my P3 power meter. I wouldn't pull more then 1500watts off a single power stripe though.

If you want to avoid fires, make sure your cords don't have any cuts on them. That your not pulling to much power from a plug, and that the house electrical sockets are wired up correctly. If you understand the science behind electricity then you would understand that for the most part it's vary safe. Electricity doesn't start fires, the heat it can generate does.
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post #8 of 14
As long as the wire gauge for the extensions are big enough, your breaker will trip long before a fire. Unless of course your behind the wall wireing is bad. but the extensions wouldn't even be the problem then...
Just tell them to use extensions rated for 15 amps or more, since that is what your breaker should be set to.

Edit: Just so you know, it's pretty common to have a whole room on one breaker; Even if you used a different outlet, you would still be putting all the load on one set of wires behind the wall.
Edited by qwertymac93 - 3/25/12 at 5:57am
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post #9 of 14
Thread Starter 
I see. great info so far guy thx. Think im getting it. the higher the amps it allows. the more (safe) power you can draw?
Edited by SgtBigRig - 3/25/12 at 6:42am
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post #10 of 14
Yes. The wires get hot when the gauge is too low for the current draw(amps). Think of it as the "electrons" bumping into each other and getting angry smile.gif. more amps=more watts=safer cord.
I found this extension cord that is rated for 15 amps and has a built in 15 amp breaker thumbsupsmiley.png
http://www.homedepot.com/Electrical-Electrical-Cords-Cord-Management-Extension-Cords/h_d1/N-25ecodZ5yc1vZbmbfZ1z1173l/R-202513653/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=extension%20cord&storeId=10051&superSkuId=202891000
Edited by qwertymac93 - 3/25/12 at 8:41am
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