GARVIN 52181-S 4" SQARE BOX 3.5"DEEP

part number 52 181 s is a 4 inch square electrical junction box that is three and one-half inches deep anytime you need to install extra wire capacity or you need a four inch square box that has added depth inside the box for a device you're installing this particular box will accommodate half or three quarter in the concentric knockouts on opposite sides or one inch or three quarter inch knockouts directly across from each other in the bottom of the box there are two three quarter inch knockouts two half-inch knockouts and a raised ground hump for securing and properly grounding the device being installed these are especially effective and useful when installing electronic devices like fire alarm and life safety speaker strobes horns and a variety of security cameras on the market today it also comes with pre-installed 832 screws to fit just about any device being installed for these a