fmtjfw
Senior Member
- Location
- Fairmont, WV, USA
Section/Paragraph: 230.24(A) Exception No. 2
Revised Text
230.24 Clearances.
....
(A) Above Roofs.
....
Exception No. 2:
Where the voltage between conductors does not exceed 300, and the roof has a slope of 100 mm in 300 mm (4 in. in 12 in.) 1 in 3 or greater steeper, a reduction in clearance to 900 mm (3 ft) shall be permitted.
Substantiation
Slope is dimensionless, it is just a ratio.
Inserted Deleted
Revised Text
230.24 Clearances.
....
(A) Above Roofs.
....
Exception No. 2:
Where the voltage between conductors does not exceed 300, and the roof has a slope of 100 mm in 300 mm (4 in. in 12 in.) 1 in 3 or greater steeper, a reduction in clearance to 900 mm (3 ft) shall be permitted.
Substantiation
Slope is dimensionless, it is just a ratio.
Inserted Deleted