Hydropower installation problems, digging on the wall switch box in addition to the current with what better tools can't hammer
You are the two renovation of the housing or blank, the number of how many, what is the brick, take the grinder cut bad, then more beautiful, and not hurt the wall, if the site is a large area of large quantity, first connect the pipe, save some money, for worse.
Wall slotted, and now there are dedicated wall grooving machine, so that time and effort,More than two kinds of high cost, so the construction is basically manual with a hammer or hammer and chisel, small cutting machine with the use of.
Connection box position with diamond, that is to open the air conditioning hole with the kind of drill bit size, choose the junction box size suitable, want to play how deep, hit how deep.
