Q:my old light fixture had 2 white wires (from ceiling) twisted together and connected to a screw, it also had a green wire (from ceiling)connected to it with a screw.no black wires were connected to light fixture although they are 3 wires in the ceiling taped off together.how do i test for hot wire, i got a tester that lights up.i got a new light fixture that has 3 wires, 1 wht 1blk and copper.i know the copper goes with green, white with white and black with black. so i untangled the black wires, and i connected one to new light.but now my new light doesnt turn off.so i know i by passed my switch.how do i test for hot wire....where does the hot wire go?is it possible one of the white wires is my hot wire and the other white whire my neutral....so help please, im confused and frustrated

The white wires are fine, their just neutrals. Wire up the three black wires in the ceiling with the black wire from the fixture. It should work.

Q:On the wires leading to existing system I can see the main power lead. However all the other wires are different in color leading to existing valves. From the wire bundle two black wires (the only black wires) lead out to nothing and were left with no electrical end caps protecting. Manual says nothing on wiring valves. Any ideas on black wires? Or how can I splice in to existing system wires at valve point having one valve working at a time when system is operating? Am I going to have to get a new controler or run new wires existing controler?

The wire that goes to all the valves is the common. The other color wires go to the other wire on the valves. One colored wire per valve. That is how the valve gets power. It is common to run extra wires when doing a sprinkler system. So the 2 wires that are not being used are there just in case you ever need them. So tie one wire from each valve to the common then the other wire to an unused wire. Just make sure that your timer is capable of handling the extra valves.

Q:Two wires are placed parallel to each other. What would be the effect of passinga) upward current through both wiresb) an upward current throgh one wire and a downward current through the other.Explain.

a) When the currents through both the wires are in the same direction, the magnetic field due to each midway between them, by right-hand thumb rule, will be in opposite directions. This will result in attraction between the wires. b) When the currents through both the wires are in the opposite directions, the magnetic field due to each midway between them, by right-hand thumb rule, will be in the same direction. This will result in respulsion between the wires.

Q:what size wiring should i use to wire a plug in for a dryer?

if the dryer rateing plate says 220 volt 30 amp you can use # 10 stranded wire/ romex 2 colored wires and 1 ground (bare) or insulated green wire.

Q:I was looking at the wiring of my current thermostat and I want to know why it's wired the way it is...The yellow wire was wrapped around the white terminal and the yellow terminal. And the white wire was wrapped the around the Orange terminal. The red and green wires were each wrapped around their respective terminals. And the blue wire wasn't connected to anything. Why would the electrician have wrapped the yellow wire around 2 terminals? Is that normal? Also, I tried installing a new thermostat but the heating is not working. The fan works but it just blows room temperature air. The new thermostat only had 4 terminals for R, Y, W, G. I connected the wires I had to their respective terminals. However, I think it may not be working because I have a probably have a heat pump. Any Ideas why else it might not be working? Thanks a lot!

If you have a heat pump, then the thermostat that you currently have will not work. Otherwise, green wire to G, (fan circuit) white wire to W (heat circuit) Yellow or Blue to Y (cooling circuit) but don't hook up both. Just one or the other. Finally, Red to RC/RH (24V circuit). Make sure on your furnace control board that it is wired the same as your T-stat. Good luck.

Q:Well I have a mono D and it has - - + + on it and I want to to wire my dvc 4ohm sub to 2 ohms but I'm not sure what terminals I hook the speaker wire up to?

wire okorder /... and than wire it to any of the negatives on the amp its all one channel internally so it really doesn't matter which negative u use. than wire the positive to any positive on the amp.

Q:I wanna know how does the temperature affect the resistance of the wire.

Depends on the conductor. Copper has a positive temperature coefficient, silver alloy has a negative temperature coefficient, as do the semiconductors.

Q:I'm trying to hook up my second phone line. I have a red, green and yellow wire in the cable, but no black wire. Is there a reason for this? And what can I do to get the second line up and running? thx

the wire you have is designed for 1 line only. Back in the day the yellow wire was used to carry ground because ground was necessary for old circuits. Ground is no longer needed so in order to get two lines you need at least a two pair wire (meaning four wires) you might have to run a new wire unfortunately or just keep that one and run another to separate jack.

Q:how i do that?please help.

it's Hard to saay without looking at it or at least knowing what kind of engine it is and what kind of fuel injection system it has and knowing exactly what you're trying to do. Those models I beleive had 4 or 5 different injection systems. If you can tell me exactly what you're doing or what the truck is doing I could help you more. Sometimes they can be a real *****, on my car you have to practically tear the top of the engine off to even LOOK at the fuel injection system

Q:Anyone know which wire behind the navigation unit is the brake wire? I THINK it's pink, but there are multiple pink wires behind the navigation unit.Thoughts?

Are okorder 's outlander section for a posts on how to disable.