Posts tagged "junction box"
We figure out what a potential equalization system is and why a KUP (potential equalization box) may be needed in a house or apartment.
We understand what a junction box is, why it is needed, what kind of junction boxes are there and how they are mounted in a house or apartment.
Advantages and disadvantages of ways to connect wires in a junction box: twisting, welding, soldering, terminal blocks and others.