Please I need the table for electricity cable measurement?
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I assume this is what you need  (look at page 2 of) :\nhttp://www.powerstream.com/Wire_Size.htm
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Google it - \n\nhttp://www.google.co.uk/search?hl=en&q=lg+monitor+circuit+diagram&meta=
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Search Froogle.com for "monitor power cord."  Should cost under $5 from lots of stores.
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I think http://www.kevinboone.com/cableselection_web.htmlyou might find this site usefull
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use a clamp ammeter to measure the line current. then check the resistance of the cable your using. you can get the voltage drop by multiplying the square of current to resistance reading...
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Going underground with a medium-voltage or high-voltage installation? What size conductor do you need?\n\n"For many underground applications, you can find ampacities in cable manuals, says Axel Schlumberger, technical marketing manager for Forte Power Systems™. "For specialized installations, or for high-voltage, you'll need a calculated answer."\n\n\nGoto http://www.stormcopper.com/design/Buss-Bar-Ampacities.htm\nThe basis for most high-voltage underground ampacity calculations worldwide is an international standard, IEC 287. IEC 287 covers medium-voltage and high-voltage cables, many different constructions, and many installation types. Just as the Neher-McGrath method to calculate ampacities is the predominant method used in the U.S., IEC 287 is the predominant method used internationally. Both methods are employed through the application of thermal equivalents of Ohm's and Kirchoff's Laws to a simple thermal circuit.\nThermal Resistances Determine Ampacity\n\nIEC 287 uses a thermal resistivity circuit model of the cable installation.\n\n12R losses in the conductor, dielectric losses in the insulation and eddy currents in the sheath all generate heat. Cable materials and soil represent a series circuit of thermal resistances. The thermal resistances control heat dissipation from the conductor. If you dissipate more heat, you can carry more current.\n\nThe key element in the series heat circuit is the external thermal resistance outside the cable. Here are some factors.\n\nSoil thermal resistivity. How well does the soil carry away the heat? Soil resistivity is a specialized measurement. If you don't have actual numbers for your site, many handbooks -such as the EPRI Underground Transmission Systems Reference Book - give design assumptions.\n\nAmbient soil temperature. Warm soil absorbs less heat.\n\nInstallation depth. It is assumed that the heat finally goes to the ground surface. Deeper cable sees more total soil resistance.\n\nInstallation method A direct-buried cable generally dissipates heat more readily than a cable in a duct.\nNearby Cables Complicate Heat Flow\n\nAdjacent cables contribute heat and may induce additional losses in the cable itself. Closer cables have more effect.\n\nSheath grounding makes a difference. Multipoint grounding increases circulating currents in the sheath. Single-point grounding eliminates sheath currents, but away from the ground point, induced voltage on the sheath has to remain within certain limits.\n\n"If you have an underground installation that can't be sized with standard ampacity tables, check with your cable vendor," says Schlumberger. "With high-voltage in particular, you may need assistance with the calculations."
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something that would show the different properties of electricity. its easy to do, doesn't require a lot of time, and you can look up a million things relating to it on the internet
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You should be able to get a battery operated cable locator from a hardware store. Basically, you just run this over the wall and it will beep to indicate where the cables are.
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u can try www.hotstuffworks.com which can guide u to the basics of any latest electrical instrument/appliances.its a site of great help..best of luck..
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To measure ohms, DCV, ACV, Amps or what????
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http://lakeaccess.org/russ/conductivity.htm
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http://www.bplans.com/ma/article.cfm/147\nhttp://www.amazon.com/gp/product/0749439270/002-7923748-5380815?v=glance&n=283155
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Take an inch graph paper. Keep different components of your circuit on the paper to get an idea of the space they are going to occupy. Draw connection lines as you would want on your pcb.If you want to see samples of pcb layouts then visit e4u (Electronics for you )site-(www.electronicsforu.com)
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www.alldatasheet.com\nYou have to be familiarized with the types of components though. I use the site a lot for my electronic projects.
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There are two issues to consider, cable heating and voltage drop.  Of the two, voltage drop is by far the easiest.  You need to determine what the allowable voltage drop in you cable is.  The voltage drop is just I x R where I is the current and R is teh round trip cable resistance.  The specification of 100 kW isn't enough.  If its a high tension 100 kV line, the current is only 1 amp and a run of 16 AWG wire would deliver about 99,999 volts out of the original 100,000 volts to your load.  If its a 100 volt system then a 4 AWG wire would only deliver only 20 volts to the load.  \n\nThe formula for wire resistance (in AWG) is that 10 AWG has 0.001 ohm/ft.  Each increase of 1 in the gauge increases resistance by the cube root of 2 (about 25%).  You calculate by picking what voltage drop you can live with, for the known current figure the resistance, knowing the length figure the resistance per foot, and then pick the AWG using the above.\n\nThe second concern is wire heating.  Although you could do the heat transfer calculations, instead look up the allowable ampacity for any wire in an electrical engineers or NEC handbook.
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Check the Omega online catalog. They have an extensive supply of measuring devices for lab, process, and manufacturing uses. Customer service is top notch.\n\nwww.omega.com
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Go to Micro soft, type in power toys, and look for Calc plus. it is free!