The utility model discloses a metal wiring box with adjustable belongs to the terminal box field that the wall body was installed, has solved the problem of metal wiring box in the difficult adjustment of actual installation camber, including the outer box of metal wiring with adjust in the box, the outer box of metal wiring be square box, one end opening, cover are located in the regulation out -of -the -boxly, the symmetry is provided with the horizontally cassette on two inside walls that metal wiring is outer box, the box be square frame structure in adjusting, its height that highly is less than the outer box of metal wiring, be provided with corresponding to the outer box level of metal wiring on two lateral walls of box in adjusting and draw -in groove track and fender seat, draw -in groove track that the cassette corresponds keep off seat in the end of draw -in groove guide rail from upwards arranging down, the bottom both sides symmetry of box is provided with two to lug in varus in adjusting. The utility model discloses box in setting up the outer box of wiring and adjusting, the altitude mixture control of the position realization metal wiring box through box in adjusting the outer box of wiring and adjusting.