Section 49 – Signals, Lighting and Electrical Systems
12/1/03
49.27
49-6.03 Internally Illuminated Street Name Signs
Internally illuminated street name signs shall be Type "A”, double faced in accordance with
State Plan ES-33 and Section 86-6.065, “Internally Illuminated Street Name Signs,” of the State
Specifications. Signs shall have standard clamps and mounts per the State Specifications, with
the following exceptions: a) the top nut will be a one-half inch (1/2”) stainless steel hex nut,
"Nylock" self locking or approved equal, and b) the cotter pin will be stainless steel, three-thirty
secondths inch by one inch (3/32” x 1”) per mount. The internally illuminated street name signs
shall be mounted on a separate support arm between the signal mast arm and the street light
arm, as shown on the Standard Drawings.
The sign faces shall be fabricated from flexible, colored, wide-angle prismatic retroreflective
sheeting, tape and related processing materials designed to enhance the visibility of the street
name signs. The retroreflective sheeting for sign faces/finished signs shall have a smooth
surface with a distinctive interlocking diamond seal pattern and orientation marks visible from
the face. The sheeting shall be precoated with a pressure sensitive adhesive backing protected
by a removable liner. The adhesive shall require no heat for proper bonding when applied in
accordance with the manufacturer's recommendations to substrates sixty-five degrees (65°) F
or above. The retroreflective sheeting shall be 3M, "Scotchlite”, Diamond Grade Series 3970G
or approved equal.
Internally illuminated street name sign conductors shall be terminated in a "condulet" on the
mast arm, one-half inch (1/2”) rain tight fitting, "Crouse-Hinds" or approved equal. Separate
conductors shall be continued from the fitting to the sign panel. The street name sign circuit
shall be spliced in the pull box at the pole base. A six-amp fuse shall be provided in the
handhole access between the splice and the sign panel and shall be clearly labeled.
49-6.04 Photoelectric Controls
The control circuit wiring between the photoelectric unit and the contactor shall be installed
as shown on the Standard Drawings. The photoelectric unit will be supplied by the Agency.
Unless otherwise shown or specified in the Contract, the photoelectric controls shall be Type
II as modified herein. Type II photoelectric control shall consist of a luminaire mounted EEI-
NEMA twist-lock type photoelectric unit in a weatherproof housing, a separate contactor and a
test switch located in the service enclosure.
Switches shall be furnished with an indicating nameplate reading "Hand-Off-Auto" and shall
be connected as specified in Section 49-2.11, “Service”, in this Section of these Specifications
and as shown on the Standard Drawings. Test switch shall have an "OFF" position.
49-6.04.A Photoelectric Unit
The photoelectric unit will be supplied by the Agency. The photoelectric unit receptacle shall
be an EEI-NEMA twist-lock type and shall be provided on the luminaire(s) as shown on the
Plans. If approved by the Agency, mounting brackets shall be used where luminaire mounting
is not possible.
49-6.04.B Contactors
Contactors shall be as specified in Section 49-2.11, “Service”, in this Section of these
Specifications and as shown on the Standard Drawings.



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