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 e. The type of wiring system, such as rigid conduit, electrical metallic tubing,
nonmetallic sheathed cable, etc., and the location of each type proposed for use.
f. The types of conductors, such as rubber insulated, varnished cambric, insulated lead
covered, etc., and the location of each type proposed for use.
g. The proposed design allowance for voltage drop and the designed lighting intensities.
h. A description of the proposed types of lighting fixtures.
i. The short circuit currents for all protective devices and switchgear. Select and
indicate the set points and operating ranges of all protective devices and ensure that
the electrical system is properly coordinated.
j. The type and arrangement of telephone, signal, security and fire alarm systems.
5.8.1.1 Provide an equipment ground wire for equipment circuits of 225 amperes and less.
The equipment ground shall be sized in accordance with NEC Table 250-95.
5.8.2 Exterior Distribution Systems. Indicate the adequacy of the primary power supply at
the point of connection. If the primary source is inadequate, state the proposed measures to
correct the deficiency.
a. Indicate the electrical characteristics of the power supply to the station or portion of
the station involved. Indicate circuit interrupting requirements and potential voltage
variations.
b. Estimate and indicate the total connected load and the associated diversified demand
load, when a group of loads is involved.
c. Provide the rationale for selecting the proposed primary and secondary distribution
voltages.
d. Indicate the type of conductors, such as copper or aluminum and identify the
corresponding locations of proposed usage.
e. Describe the physical characteristics of the overhead and underground circuits.
Indicate the proposed design allowance for voltage drop.
f. Describe the proposed types of street lighting units and the associated lighting
intensities.
g. Describe the type and adequacy of telephone, signal and fire alarm systems, including
a statement as to the number of spare telephone conductors available and spare
capacity in the fire alarm circuit; also give the location of nearest fire alarm box and
firm alarm circuit.
5-9
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