Original Version
Rule 59.3-F
59.3-F. Designation of Common Neutral
In common neutral systems, where the common neutral line conductor is installed in a primary pin position, it shall be designated by an approved noncorrosive metal tag having a minimum diameter of not less than 1 inch upon which shall be permanently imprinted the letters “CN” not less than 5/16 inch in height. Said tag shall be attached securely to and maintained on the common neutral conductor at each pin position of line arm and buck arm at a distance not more than 12 inches from the face of the crossarm on the climbing side of each pole and so installed as to be clearly visible at all times.
Strikeout and Underline Version
Rule 59.3-F
59.3-F. Designation of Common Neutral
In common neutral
systems, where the common neutral line conductor is installed in a primary pin
position, it shall be designated by an approved noncorrosive at each
pin position with the letters “CN”. A weather- and corrosion-resisting material
shall be used and the letters shall be clearly legible.
Optional Marking methods are:
(1)
A metal tag having a minimum diameter of not less than 1 inch
upon which shall be permanently imprinted the letters “CN” not less than 5/16
inch in height. Said tag shall be
attached securely to and maintained on the common neutral conductor at each
pin position of line arm and buck arm at a distance not more than 12 inches
from the face of the crossarm on the climbing side of each pole and so
installed as to be clearly visible at all times. surface of the conductor supports.
(2) Solid letters not less than 3 inches in height or a sign showing the letters “CN” not less than 3 inches in height, solid or with letters cut out there from. Said letters or signs shall be placed on the face of a crossarm, suitable for attaching the letters or signs, directly beneath the common neutral support, or said letters or signs shall be placed on the surface of the pole beneath the common neutral support.
Final Version
Rule 59.3-F
59.3-F. Designation of Common Neutral
In common neutral systems, where the common neutral line conductor is installed in a primary pin position, it shall be designated at each pin position with the letters “CN”. A weather- and corrosion-resisting material shall be used and the letters shall be clearly legible.
Optional Marking methods are:
(1) A tag having a minimum diameter of not less than 1 inch upon which shall be permanently imprinted the letters “CN” not less than 5/16 inch in height. Said tag shall be attached securely to and maintained on the common neutral conductor at a distance not more than 12 inches from the surface of the conductor supports.
(2) Solid letters not less than 3 inches in height or a sign showing the letters “CN” not less than 3 inches in height, solid or with letters cut out there from. Said letters or signs shall be placed on the face of a crossarm, suitable for attaching the letters or signs, directly beneath the common neutral support, or said letters or signs shall be placed on the surface of the pole beneath the common neutral support.