How to tell how thick the wire is?
Usually, the diameter of the wire retains two decimal places, so the diameter of the 1 square mm wire is 1.13mm.
The so-called 1 square wire mm, refers to the single stranded (BV) core sectional area is 1mm - line, which is based on the relationship between PI and the diameter of the calculation to.
The so-called square, refers to not square meters, but square millimeters. The copper wire in the middle of the wire, the aluminum wire, is round, and these rounded section area is the square of these.
