There is the general home improvement how much air switch and leakage protection switch? Who on the 25 points of wealth, all to, and ask the big god to answer. More
YJV-4 * 240 + 1 * 120 Theoretical Outer Diameter: 54.7mm; YJV-4 * 50 + 1 * 25 Theoretical Outer Diameter: 28.2mm.
Do less to draw and then cut, if you do more, practice to know how much clever cut.
Concrete wall slot can generally penetrate into the wall depth of 2.5 to 3 cm less than the impact of steel, as long as the width of a little, flat cloth wire can not wire, or flat square trunking instead of wire. As for the wire box, the depth is only 3.2 cm, generally easy to avoid the steel. You try to know.
Ming installed generally rely on the top, if there is the best ceiling is filled inside the ceiling. As for how much trunking, depends on how much you use the line to decide, according to the size of the cable to determine its size.
