CommScope Trunk & Distribution Cable - Manual (Page 64)

NESC Table 232-1/Vertical Clearance of Wires
This chart shows the clearances required for a coaxial cable, isolated communication conductors and cable,
messengers and surge-protected wire meeting NESC Rule 230C1, depending on the type of surface it is above.
For a complete listing, please contact the NESC at the address on previous page.
Surface Minimum Distance
feet (meters)
Railroad tracks
(except electrified railroads using overhead trolley conductors) 23.5 (7.2)
Roads, streets, and other areas subject to truck traffic 15.5 (4.7)
Driveways, parking lots and alleys 15.5 (4.7)
Other land traversed by vehicles,
such as cultivated, grazing, forest, orchard, etc. 15.5 (4.7)
Spaces and ways subject to pedestrians or restricted traffic only 9.5 (2.9)
Water areas not suitable for sailboating or where sailboating is prohibited 14.0 (4.0)
Water areas suitable for sailboating with an unobstructed surface area of:
Less than 20 acres 17.5 (5.3)
Over 20 to 200 acres 25.5 (7.8)
Over 200 to 2000 acres 31.5 (9.6)
Over 2000 acres 37.5 (11.4)
Land adjoining water areas posted for rigging or launching sailboats with an
unobstructed surface area of:
Less than 20 acres 22.5 (6.8)
Over 20 to 200 acres 30.5 (9.3)
Over 200 to 2000 acres 36.5 (11.1)
Over 2000 acres 42.5 (12.9)
8.5 Appendix
Wire Clearance