After connecting the printer, the computer always appears unrecognized USB device, what is the reason? The printer is Lenovo M9314E multi-function one laser printer. More
This is based on your power to estimate the power, if your home appliances are more or more power (such as induction cooker, air conditioning), then into the household line to consider more than 6 square is the best 10 square, Square air conditioning socket 4 square light line 1.5 or 2.5 can be a. Brand is not important, but you have to consider is the insulation problem, the general wire is BV my home decoration is my choice is BBV, BV and BBV how to distinguish it? I tell you that BV is a layer of insulation, BBV is two layers of insulation and two kinds of insulation skin color is not the same. In addition to the stock more than a thick to be better. Hope it helps you!
Into the line: 4 square socket line: 2.5 square lamp line: 1.5 square does not matter brand, buy the national standard on the line. (Line with GB, factory standard, non-standard)
There will not be such a provision. Is the reinforced concrete pipe or masonry gutter and then cover it?