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FAQ

hi guyscan you explain in simple words what is earthing process and how it helps to secure human from detected current.thanks

Earthing system helping for Human safety to avoid electrocution due to earth leakage.Earth is acting like a Huge conductor because of it minerals Moisture contend (water).If any electrical equipment Insulation failure leakage will be there ,if the same equipment is not Grounded ,there is a possibilitiesof getting electric shock to Human.If the same equipment is Grounded the leakage current will flow to Earth protect from electric shocks Trip the circuit. Pl. check this link for brief idea.

I just recently bought a router that was recommended to me, Linksys WRT160N V3. I followed all the steps to connect and it works. the problem is (and i measured) i walked 34 3/16 feet away into my room and boom. no connection, and my laptop, nor my ps3 can find the router. the only thing in the way of my router and my equipment is 2 walls and a bathroom (yes a small apartment). did i buy a crappy router or is there a way to increase the range for this particular model, because i feel like i got ripped off. thanks for the help.Also i was thinking of maybe getting netgear instead, everyone else seems to think it's good i just don't have the cash. thanks for the help.

Drill a big hole on your wall. Get a metal/magnet detector. Scan it on your wall and next to your router. There might be some kind of object inside the wall interfering with your router.

I just don't understand it, what does it mean when people say 3 phase or 2 phase Voltage, I know higher phases are used to power bigger more voltage demanding things but what does it mean?Can you get both AC and DC in each phase?Is phase just basically saying higher phase higher voltage for higher voltage equipment?How do you convert between phases?Are high phases created with the use of transformers or can they be created directly from things like wind turbines?What is the maximum and minimum phase?How does the phase effect the amps?

Let me explain briefly about the Electric power source and what it has. We get electric power source normally from power station where it is produced by means of Electric power generators. The generator has an Armature which comprises three windings (say coil). Each winding has two ends and all these ends are connected with each other. From Armature windings 'THREE LINES' are drawn to transmit the Electric power source. {Power station produces very high voltage (Electro Motive Force) and transmit the source through over head lines to the various step down Transformers where it is finally step-ed down to low voltages ranging from 600 to 220 volts and supplied to us.} As said above the 'THREE LINES' that Carry's the electric power source from the power stations to us are said as THREE PHASES. VOLTAGE is the unit of the 'Electro Motive Force' (EMF) which is supplied to us from power sub station. What is 220 and 120 volt ? Power substation Supply power source to us by means of 4 wires where the three wires which are called Phases as said above and the fourth wire is called as Neutral. The phase wires carries power source where as Neutral wire carries no power source. America and other countries which follows American Standard, use a phase wire and a neutral wire for 120 volt Supply especially for lighting loads and two wires of phases are used for 220 volt Supply for appliances etc., If you measure the voltage between phases it will read 220volt and phase to neutral it will read 120 volt. Manufacturers of motors, home appliances, electrical equipments, etc., are the deciding authority to Communicate the voltage requirement of their PRODUCTS based on the way they made them. We can find this detail in the name plate of the equipment. Regarding AC and DC Supply. Batteries are made to Supply DC Supply and it can be used for AC equipments with suitable invert-or to change DC to AC.

Garbage disposal is wired into open electrical outlet down thru basement. Dryer is not vented outside, which is in the basement also, right next to this outlet. There is excessive lint from the dryer all over this open outlet that doesnt have a cover and the live electrical big thick white wire that you wire a house with is split down the middle then the raw metal part is inserted into each side of the outlet for the garbage disposal. If I pull this out to disconnect it will it spark? Shock me? Catch on fire? I want to do this because I am afraid it is going to catch on fire from all the lint. Is that possible also?I rent and I know the dryer should be vented, however it is all glass block windows and landlord has yet to fix it so please dont tell me to vent the dryer. thanks

Dryer lint is just like a fuel, very flammable. Make the landlord fix it. That is a very dangerous situation. If he won't, report the problem to your local fire department. They will see he does fix it.

im a freshman in high school and was wondering if i wanted to become some type of electrician in the navy what classes i should be taking, doing good in? also what is it like being in the navy and does everyone get in i really would like to become an electrician in the navy do i still have time to improve and meet my goals?

Navy? Ok, but all branches have electrical trades, I was an electronic technician in the Air Force. In high school take as many math and science classes as you can. Check with your local community college to see if they offer any basic electronic courses, or see if you can work as a helper for an electrical contractor during the summer. Study hard and do well in all your classes. Check into joining the Civil Air Patrol or JROTC, learning basic military knowledge like marching, uniforms, physical fitness, customs and courtesy will make basic training easy as pie. When the time comes to talk to a recruiter, take no B.S., and DO NOT settle for anything less than what you want. Have your parents or other responsible adult with you when you discuss guaranteed jobs and length of service agreements. You don't want to end up as a cook for 6 years. Hope this helps best of luck to ya.

And what does electrical engineer teach in college? Is it good for girls?

TAKE MY ADVICE, THIS FIELD IS NOT FOR GIRL. TAKE THE MEDICAL FIELD IS MUCH BETTER FOR HER.

HiCan someone tell me what the difference is betweena) turning my TV (or whatever) off on the setb) turning it off at the switch on the wallc) unplugging itWhat I'm reading seems to suggest that only unplugging it really means its off - is that true?

When you turn off modern Tvs from the remote, it will go to standby mode, there's still electricity on the circuit enough for the memory to remember your settings, like volume, time, the channel you've last watch before turning it off. When you turn off the switch from the wall or unplugging it, the Tv is now completely disconnected from the power source. You may loose personal settings, and when you plug it back on then it may function in the default settings. Leaving it plugged has advantages but surge, lighting, sudden voltage changes may damage it. So when you'll be out for days then unplug it from the AC outlet to play safe.

According to the Vancouver Sun interview with Gavin;Q: What is the future for waterfront cities like Vancouver?A: You are going to have to put up with rising sea levels; they are not going to go down. But there’s a huge difference between a foot or two over 100 years and a metre or two metres. There’s a lot of waterfront development going on but is it sea-level-rise smart? I don’t know that it is. So don’t put stuff in the basement, have all your electrical equipment on the second floor or on the roof.

Well I checked with NOAA sea level trend for Vancouver tide gauge, and it shows the yearly rise is 0.37mm, an online calculator says 0.37 Millimeters 0.01456692913 Inches, is that right? that is 1.45 inches in a hundred years. Edit. NOAA has tide gauge sea level trends for all of the US, I tried to post the graph for Vancouver, but for some reason Yahoo could not manage it (we are experiencing some difficulties it said)