Electrical Boxes and Connected Fittings

Electrical boxes and connected fittings

Section 3905 IRC

Boxes

E3905.2

Metal boxes require grounding

E3905.3

Non-metallic boxes

E3905.3.1

Sheathing must enter box a minimum of ¼ inch

E3905.3.2

Securing wiring to boxes

E3905.4

Minimum box depth for devices and outlets

E3905.5

Boxes enclosing flush mounted devices

E3905.6

Boxes at luminaire outlets

E3905.6.2

Ceiling outlets (max 50 lbs for luminaire)

E3905.7

Floor boxes

E3905.8

Boxes at fan outlets

E3905.11

Damp or wet locations

E3905.12

Allowed box fill

Table E3905.12         Tables for box fill of wiring for metal and non-metallic boxes

Box Installation

Section E3906 IRC

E3906.4

Unused openings

E3906.5

Flush mounted installation required (boxes or box extenders)

E3906.7

Surface extensions

E3906.6

Non-combustible surfaces

E3906.8

Supports

E3906.8.2

Structural mounting

E3906.8.4

Raceway supports with devices or fixtures

E3906.9

Concrete or masonry enclosures

E3906.10

Cover plates

E3906.11

Exposed combustible finishes

E3906.12

Separate attachment fittings