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I have an old house with old wiring. I have no colors to go by.
You can test it with a voltmeter to something that is grounded like a metal water pipe. One wire will have 115 to 120 volts to ground (the hot wire) and the other will be 0 volts (the neutral). You may need one long piece of wire to reach from the water line to where you are testing the wires. Another way is to use a non-contact voltage tester. It will glow when it is next to the hot wire but not when it is next to the neutral. You can get them at a building supply or hardware store for about $10. I prefer the first method because it is more sure but the second one is easier. There is no positive or negative on AC wiring.
hi i was wondering if its possible to electrify chicken wire? i have chickens in some fields and they keep wondering and chicken wire is alot cheaper than buying proper electric fencing??
sure, go to a hunting or farm store and buy a deer and game fence electrifier, it runs of a 12vdc deep cycle battery. Its essentially tow parallel wires that carry the voltage. you can place it behind the chicken wire, and if the chickens start messing with the fence, it will short the electrified wires and , zap. the fence electrifier can be set for the duration of shock, so for small game like chickens, the shortest shock is best, they will learn quick enough to stay away from the wire.
I know there must be a difference, and reason why some wires have a solid strand behind the rubber, or some have several strands. can someone explain to me how it works and the differences in wire. m trying to get my head into electricity. resources would be good too.
it just depends on your application, take for example your house has either solid 12 gauge or 14 gauge copper wire. solid copper has less resistance and can handle more amperage compared to say a stranded 12 or 14 gauge wire. you wouldnt wire your vehicle with solid wire would you? i mean theres no point, you dont need the amperage and the resistance of the wire is negligent here due to that fact there is not any long distances in your vehicle, plus it would be a pain to wire a vehicle with solid copper wire. in AC voltage they sometimes use square rectangular wire due to the fact that ac voltage travels on the outside of wire, rather than threw the entire middle, so a square wire offers more surface area.
I'm trying to install a ceiling fan and I'm looking for some help given my home's wiring. I have a single light switch in the room, and here's what's coming out of the ceiling: 2 white wires, 2 black wires and a ground wire. It seems like a set of white and black originate from the same location (in both cases). My celing fan with light has a remote connection, so there's one black, one white and one ground wire coming from my fan to connect to the ceiling. Can someone let me know how to hook it up so the fan and light both work? Thanks in advance.
if you have separated the wires from one another you have created a small problem which will require that you determine which pair are bringing the power in (line) You can buy a cheap 2-wire tester which us always a useful tool to have around. with the power on, carefully touch the the tester to one pair at a time (a black and white wire- don't let any of the wires touch each other, and the tester should light up. the other pair are running to the switch. note which pair is which. Have the switch extended out of the wall so that you can examine the wiring. Using wire nuts, ( the plastic screw-on caps) attach the hot black to the white wire of the non-hot pair and shove deep into the box out of your way...you are done with it.. that will deliver the power to the switch and now the black from the non-hot pair will bring it back to the fan becoming your new hot wire controlled now by the switch.. the switch should have the white wire and the black wire from the same pair attached to it..) the white wire from your remote receiver will attach to the white wire from ceiling box and the black and blue (light)wires from the receiver will connect with wire nuts to the newly established hot black. SWITCH AT WALL SHOULD NOW BE OFF. you can now continue the fan installation. Be mindful of the fact that the remote receiver slides into the space in the fan mounting bracket and there is very little room to get the receiver and all the connected wires in and under the canopy/cover. being as neat as posible with your wiring and wire placement is essential. good luck.
A wire is 1.5 m long and has a diameter of 1.5 mm. The stretch modulus of the wire is 6.2 x 10^10 N/m^2. If a force of 400 N is applied to end of the wire then the increase in length of the wire is???please help, thanks
The stretching of wire by longitudinal force: If F force applied across the crosectional area A of wire of radius r and lenght L then the wire elaogates in the dirextion of force Stress P = F / A A = pi* r^2 = (1.5/2)*10^-3 = 7.5 *10^-4 m^2 strain produced = dL / L = increase in length / original L Young's modulus or elastic (stretch) modulus for the maretial, within elastic limits, Y = stress/strain strain = stress / Y dL = F * L / A * Y = F * L / pi (r^2) * Y dL = 400* 1.5 / 3.14 (7.5 *10^-4)^2 * 6.2*10^10) meter dL = 0.005479 * meter dL = 5.479 millimeters increase in length
I am moving a stove that has four wires - bare copper (ground), red, white, and black.The location I am putting it in only has three wires - red, white, and black.Can I just ignore the ground on the new location since it doesn't have one? Or should I cross one of the other wires with the ground?
Your four-wire stove has a terminal where you can connect the bare/green and white wires together, most have a jumper to connect the two terminals. You don't want to leave any wires unconnected. The other two wires (red black) are connected the same way between 3-wire and 4-wire units. You'll have to buy a 3-wire cable for your stove to plug it into the 3-wire receptacle. The new code requires 4-wire connections. The bare/green wire and the white neutral wire are run back to the circuit breaker panel separately at which point the are connected together on a buss bar.
The black wire is called ground but what is the red wire called?
In single phase AC circuits it's hot (ungrounded). In three phase AC circuits it's A phase. In DC circuits it's positive.
subs - dvc 4ohm 2 of them 600wattrms on each wiring it to a 1200 watt amp same brand as sub amp is 1 ohm stable to i wire the subs together and then to the amp a 1ohm? that would give each sub 600 watts right?
The current passing through the wires will cause the wires to heat up if not sufficient guage. Think of the millions of little electrons pushing and shoving back and forth, all this action causes friction on a molecular level and of course we all know friction equals heat. In a bigger guage wire there is more room for the same number of electons. It's really that simple. Use as heavy a guage speaker wire that you can. You will have no signal loss and little heat.