This electrical box is usually called a 1900 box because that was the original part number from Bossert almost a hundred years ago. Called a 4″ box because of its 4″ width, it is the most common box used when a simple switchbox isn’t big enough. How big is a 1ct Ruby? how much is a 1 carat ruby worth.

What size is a 1900 box?

A 1900 Electrical Box is defined as a standard 4 inches (4”) square electrical switch box which is the combination of a gas and electrical box. It is the most commonly used box when a simple switch box is not big enough. There are usually two types of 1900 Electrical Box are available. inches.

What is the standard depth of a 1900 box?

It is the most common box used when a simple SwitchBox is not large enough. The part number shown below is only one of many configurations and you need to ask for the size of the knockout (determined by the conduit size) and if the user wants a small (1-1/4″), a standard (1-1/2″) or a deep (2 1/8″) box.