Does the wire casing have an effect on the current?
There are many, useful PVC, PVC, useful, rubber, such as styrene butadiene rubber, butyl rubber and so on. Many can be.
Computer power outlet of the yellow line is 12v is, the black line is the ground, it can be called negative. Go to the accessories store to buy a long extension line to 12v electrical appliances.
There are two, do not know what you want to know which one. A kind of called the cable, the shape of the same as the tape, usually plastic products, and some middle there are no iron core core, need to twist a few laps to fixed. One end of the beam is made of a "back", and the other end has a saw-like saw, and the other end is inserted into the middle of the "back" card slot to be fixed.
