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FAQ

Just moved into a new house and the basement is already wired for surround sound. The ends are two wires one silver one gold/brass wrapped together with plastic. Looks like they were cut at the ends. How difficult would it be to wore the speakers myself?

The color coded wire will correspond to the connection of the positive and negative. You would connect the wire to the receiver, depending on the location of the speaker. Check the speaker that is already installed and see what color wire is going to what terminal on the speaker and match that connection to your receiver. Front speaker connected to the front speaker terminal of the receiver. Your receiver owners manual will also provide you with some direction. Hope this will help you out.

my dogs have chewed my central air contactor wire.my ac will not cut on. does anyone knows how to replace them and where to buy replacement wires locally( i live in Dallas TX.) i would like to do it myself instead of spending a lot of money.

This should be copper wire and a splice could be made with little risk since the thermostat is a low voltage circuit in most cases. Try the local HVAC contractor for some of the type you need. There are different types ( number of conductors) for different controllers so they need to match. If you just have the HVAC contractor do a fall service on the system they can make the needed repairs and prepare the whole system for the winter. It was probably used a lot this last summer so a service is about due.

I already tried wire cutters, and they just bend it!

Get a new pair of wire cutters. That's what wire cutters do... Cut wire.

@topicAnd does the size of the wire matter in electrical consumption?

Simple as I can make it: The size of the wire, and the material it is made of will govern it's resistance for a given length. A large wire will have less resistance than a smaller one of the same material. Ferrite will have more resistance than copper or aluminum. In power transmission lower resistance means lower losses. In a resistance heater, lower resistance means greater consumption. (More power will flow, More heat will be produced).

Two steel wires are stretched with the same tension. The first wire has a diameter of 6.00E-4 m and the second wire has a diameter of 8.90E-4 m. If the speed of waves traveling along the first wire is 53.2 m/s, what is the speed of waves traveling along the second wire?

Wave velocity v = √(T/μ) Same tension in both wires: T1 = T2 μ is the linear mass density v1 = 53.2 m/s v2 = ? = v1/v2 = √(T1/μ1) / √(T2/μ2) = √(T1μ2 / T2μ1) = √(T1/T2 * μ2/μ1) = √(μ2/μ1) Linear mass density is mass/length, mass is density*volume: m/L = ρV/L = ρAL/L = ρA = ρπr^2 Both wires are steel so their density is the same. == v1/v2 = √(μ2/μ1) = √(ρπr2^2 / ρπr1^2) = √(r2^2 / r1^2) = r2/r1 == v2 = v1r1/r2 = (53.2*3.00×10^-4) / 4.45×10^-4 = 35.9 m/s ---- Speed of waves along the second wire is 35.9 m/s

I have an immersion heater in my hot water cylinder (UK airing cubbard), but the wiring isn't connected. But, I seem to be missing a small piece or two. The previous lead wire from the timer/switch is stil there and has two wires in it. Does someone have a generic wiring digram showing which wires connect to the thermostat and which wires connect to the heating element? Thanks!

Immersion Heater Thermostat Wiring Diagram

cd wires tie into what color wires in your car

if the harness is cut Car Radio Battery Constant 12v+ Wire: Orange Car Radio Accessory Switched 12v+ Wire: Yellow Car Radio Ground Wire: Black Car Radio Illumination Wire: Gray Car Stereo Dimmer Wire: Brown Car Stereo Antenna Trigger: Pink Car Stereo Amp Trigger Wire: N/A Car Stereo Amplifier Location: N/A Car Audio Front Speakers Size: N/A Car Audio Front Speakers Location: N/A Left Front Speaker Positive Wire (+): Tan Left Front Speaker Negative Wire (-): Gray Right Front Speaker Positive Wire (+): Light Green Right Front Speaker Negative Wire (-): Dark Green Car Audio Rear Speakers Size: N/A Car Audio Rear Speakers Location: N/A Left Rear Speaker Positive Wire (+): Brown Left Rear Speaker Negative Wire (-): Yellow Right Rear Speaker Positive Wire (+): Dark Blue Right Rear Speaker Negative Wire (-): Light Blue good luck and i hope this helps

does it matter what gauge speaker wire to use when hooking up a powered subwoofer?

A Powered subwoofer does not use speaker wire - it usually uses a RCA cable. EDIT: Ok - some older subwoofers only have speaker inputs and speaker outputs. You run speaker wire from the Left/Right speaker outputs to the sub, it strips off the sounds it wants to produce, and it passes the other sounds onto the other speakers. I suggest some good oxygen free 12 ga wire. There is a roll off effect with higher frequency sounds and long runs of speaker wire. It usually does not matter for a Home Theater system, but you can hear it with a high-end music system. Thicker wire reduces the effect. Since with a sub you would be running wires to the sub, then back to the L/R speakers, you could be using 15-30 ft of wire. Get a spool of good 12 ga from a speaker building site or get some of the Carol 12 speaker wire from Home Depot.