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FAQ

How can I investigate the resistance of wire and how it changes with the length of the wireCheers

If you don't have a multimeter, you can probably see the effect of resistance with a flashlight bulb and a small battery (AA or AAA, etc). Get a spool of wire, needs to be coated/insulated wire. Connect the bulb to the battery with the shortest wire possible. See how bright the bulb is. Then, connect again using the entire spool of wire (hopefully you can get at both ends of the wire while it is still on the spool). The bulb will be dimmer because the voltage at the bulb will be reduced by the resistance of the wire (resistivity per unit length X the length of wire). If the length of wire on the spool is too long, the bulb will not light up at all.

Hello,I'm trying to replace my old ceiling fan with a new one but i can't seem to figure out the wiring.I have three wires coming out of the ceiling: 1) Two white ones that were connected together when the old ceiling fan was installed2) A grey wireI have four wires in the new fan:1) Black2) Black and White (would connect with the black based on the instructions)3) Green Grounding4) WhiteCan you help me figure out the connections. Thanks!

the two connected means a continous circut. Means it goes to something else. Tie the two blacks, from the fan with the grey. Your fan must have a light. And the white to the white. Your just compleating the circut. Cant really mess it up. green is ground ofc

I have a audiofonics adf-240 and I want to wire it to 1 ohm

you do no longer cord the amp you cord the subs. seem up the wiring optons on your subs and notice the thank you to drop the ohms. remember you will make greater potential yet your amp will run warmer and wont final as long except carried out properly.

Okay, i put a cd player in my Integra wrong in the first place an i blew my headlights, dash lights, and taillights. Are there separate wiring harness/ for the motor and interior? I have a B-series, I'm looking at a B-series Wiring Harness online an is that what i need? Or is there a separate interior wiring harness i need to make my lights work again? Help would be appreciated.

Integra Wiring Harness

I just bought a remote starter/keyless entry/alarm system, i'm looking to install it myself... I'm just wondering what gauge wire that most cars use.I'm assuming power wires are lower gauge then others, Could I use 16 gauge for power lines or would i need something larger?Thanks in advanced.

Depends on the amperage draw, for a stater wire most cars use a #12 THHN copper wire #16 would be used for speaker wire #14 is used for dome lights temp gages oil gauge and so on headlight wires use #12 wire STARTER to battery wire uses #6 wire taillights and turn signals use #14 Computer wires use #16 or #18 gauge wire as for the power wire if it has a fuse make sure the fuse will blow before the wire burns threw so if it's a 20 amp fuse fast blow use #12 copper if it's a 30 amp fuse use use a #10 wire. My fog lights I put in my truck uses a 40 amp fuse so I put in a # 8 copper wire for them. Hope this helps and gives you a guide of what wire to use.

The wire I need only comes bare and I would like to try enameling it myself with polyester-imide or polyester-nylon, so that it comes out like magnet wire. What all would I need?

Enameled wire is copper wire coated with a very thin insulating layer. It is used in applications such as winding electric motor coils, speakers and transformers. It is also used in the construction of electromagnets and inductors. The core material is copper, coated with a thin layer of a polyurethane, polyamide, polyester etc resin - the so-called enamel. For ease of manufacturing inductive components like transformers and inductors, most new enamelled wire has enamel that acts as a flux when burnt during soldering. This means that the electrical connections at the ends can be made without stripping off the insulation first. Older enamelled copper wire is normally not like this, and requires sandpapering or scraping to remove the insulation before soldering.

I have a water valve that I need to connect but I don't know how to read this diagram. I'm unsure how to connect the wires to the cold and hot valve. I have four wires that need to be connected. A pair of white caps with one blue wire and one orange; and a pair of black caps with one blue wire and one yellow wire. Sorry if this sounds confusing but I have no idea how to explain it well. Thanks!

blue and yellow for cold valve one, blue and orange for cold valve 2, the hot valve would be blue and brown.

When wiring my subs from a positive to negative coil, do I use positive or negative speaker wire?

Speaker wire is speaker wire. There's no difference between positive and negative wire except the markings on the jacket. If you're talking about the bridge wire when wiring a dual voice coil subwoofer in series, just use any piece of wire that's the same gauge as the wires between the other subwoofer terminals and the box terminals.