(2) Marking and Labeling Required
- Exposed raceways, cable trays, and other wiring methods
- Covers or enclosures of pull boxes and junction boxes
- Conduit bodies in which any of the available conduit openings are unused
The labels or markings shall be visible after installation. All letters shall be capitalized and shall be a minimum height of 9.5 mm (3/8 in.) in white on a red background. Labels shall appear on every section of the wiring system that is separated by enclosures, walls, partitions, ceilings, or floors. Spacing between labels or markings, or between a label and a marking, shall not be more than 3 m (10 ft). Labels required by this section shall be suitable for the environment where they are installed.