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Q:What is the difference between 2 wire and 4 wire fire alarm devices?
In 2-wire systems the power and the detector signal are multiplexed onto 2 wires. The detector has to have circuitry to extract the power and multiplex the signal onto the wires, making them slightly more complex. In 4-wire systems the power is separate from the signal, unless there is more than one signal from the detector (i.e. smoke heat). It could be 2 wires for power and 2 wires for a single signal (i.e. smoke), or 1 wire for power, 1 wire for smoke, and 1 wire for heat, with the 4th wire being common to all 3. .
Q:Power wire ground wire and speaker wire please answerrrrr?
Power wire only has to be long enough to get from the battery to the amp with an inline fuse close to the battery. (within 18) Ground wire should be no longer than 2feet from the amp to chasis. 8 gauge is good but may be overkill for some speakers. If your speaker doesnt call for 8 gauge wire, then use a smaller gauge. If your speaker does need 8gauge wire, make sure the amp can accept this size
Q:How do you wire an outlet?
Black wire= hot goes to the the black screw. White wire = neutral goes to the other side. Looking from the plug side, the hot/black wire is the smaller slot The larger slot is the neutral.
Q:Wiring to 2000 watt portable generator?
Q:Red Black and White speaker wire?
I'n not sure I understand the problem. In my view if you have 3 wires -- ending in, let's say, three plugs -- and want an extension it doesn't matter what colour the wires are as long as you end up connecting the original wires to the same plugs. So if you have white, green and bare on the original cable, when you cut the cable you have white, green and bare on both halves. Use the white, black, red extension cable to connect the two halves. I'd suggest white white, green red, and bare to black at one end and the same at the other ... but it doesn't really matter. Hope that helps.
Resistance = (Rho x L) / A Resistance = Resistivity (a number determining how well a material conducts electricity) x L (length) / A (Cross sectional area) That the material with the least resistivity, and the shortest length, with the largest cross sectional area, will have the least resistance..
Q:how to wire a 240v 12.5amp forklift charger?
wire colors are green is ground the black and white wires are you load wires look at you 240 volt plug and determine which terminal is the ground this one is where the green wire goes the black and white wire go to other two terminals this should do it
Q:i needed many different colored electrical wire for cheap?
Quick wire / Saint wire cable company. painless wiring company There are other companies that sell universal harnesses that already have a fuse box with the basic circuits already done, and some blanks to run to whatever accessory you need. It's the easiest thing to do.
Q:Alpine PDX wiring???
take (i use 12 gauge wire on my sub installs) 16-14 gauge wire and hook up the positive on the amp to the red terminal on the sub and negative to the black one. I'm not really sure what you need exactly