Black enamel steel conduit

IMC

PVC

RMC

steel or aluminum

PVC

copper or aluminum

cast iron

dipped in aluminum

enamel-coated

rubber-coated

galvanized

EMT

ENT

IMC

RMC

cellular ductways

pancake raceways

raceway ducts

Cellular raceways

75%

35%

40%

20%

75%

90

40%

60%

metal studs

structural steel

wood

concrete

the hole diameter must not exceed one-half of the depth of the girder or joist

they can only be drilled in the center third

An engineered beam cannot be drilled unless allowed by the manufactures' specifications

the hole must be 1 inch from the edge

PVC is the most common type of conduits used in metal stud environment

you must know the thickness of the finished surface before installing the boxes

MC Cable is not used in metal stud enviroments

Boxes are always mounted flush with the studs