Where to install five hole usb socket in your home

Five-hole with open socket disadvantages, many people have raised questions, since this kind of socket is so good to use, why can not the home, all the sockets changed to five-hole with open? Mainly have these reasons to decide: 1, high price without switch with switch, basically double the price difference, for the decoration was not enough for us, this is also a small expenditure. 2, poor security in fact, many people only know the five-hole socket with open good, ignoring the shortcomings of this outlet, in fact, this socket with a switch, control of large power appliances, it is easier to produce arc, security is slightly worse! Some, this kind of with open only suitable for small power appliances.