c.
One power panel shall be supplied for each module and shall be
prewired by the manufacturer, except for the final connection of
the individual modules to the power panel.
d.
Ground fault detection shall be standard with the UV equipment
manufacturer.
e.
Control and monitoring components and power supply shall be housed
in NEMA enclosures. Internal components shall be sealed from the
environment. System electronics to be used in an interior
environment shall be housed in enclosures conforming to NEMA 250
Type 12. System electronics to be used in an exterior and
corrosive environment, as defined in NEMA 250, shall be housed in
enclosures conforming to NEMA 250,Type 4X.
f.
Sufficient cooling shall be provided to ballasts. Magnetic
ballasts shall have a minimum allowable air flow per ballast of
0.014 cu. m/s 30 cfm.
g.
Wiring and electrical connections shall be protected against
moisture to prevent electrical shorts or failure. Electrical
installation and materials shall conform to NFPA 70. The unit
shall be completely wired requiring only an external connection
for a single external power supply and remote control.
h.
Controls and designations shall conform to NEMA ICS 1.
2.3.2
Interconnect Cables
a.
Multiconductor unshielded cable shall be suitable for outdoor
installation.
b.
Insulation shall be thermoplastic rubber with operating range of
minus 60 to 125 degrees C minus 76 to 52 degrees F with low
temperature flexibility and flame retardants.
c.
The UV stabilized jacketing shall be resistant to oils, chemicals,
fuels, solvents, and to mechanical abuse and abrasion.
d.
Cable shall be supplied by the equipment manufacturer and shall be
of sufficient length and number for a complete system.
e.
Cable shall be of a modular repairable type and shall allow for
field replacement and repair of its components by plant operators.
2.3.3
Connectors and Receptors
Connector shall be waterproof Type S.O. cable for in-line connection. The
design shall allow fast and easy positive coupling and uncoupling.
Connector shall be mounted out of possible flood-prone environments.
Connector shall be of a "snap-on" design having no threads and shall allow
for visual confirmation that the connection is locked in place.
2.3.4
Ballasts
Ballast shall conform to ANSI C82.4; shall be coordinated to the ballast
supplies; shall be rated for [120] [208] [240] [277] [480] [volts] [the
voltage indicated]; and shall have a power factor of not less than 90
SECTION 11376
Page 16
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