Quantcast Panel Board Schedules

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LANTNAVFACENGCOM A&E GUIDE
3/93
a. Function (overcurrent, voltage, differential, etc.) using ANSI
designation numbers.
b. Quantity.
A.5
LOW-VOLTAGE AND UTILIZATION EQUIPMENT
A.5.1
PANELBOARDS
A.5.1.1
GENERAL RULES
a. As a general rule, provide one spare circuit for each five active circuits
in a panelboard to allow for future load growth. Spare circuit capacity
may consist of spare breakers or a combination of spare breakers and
spaces at the designer's discretion.
b. When spare circuit capacity is provided in flush-mounted panelboards,
also provide additional conduit capacity to avoid tearing out of walls.
The additional conduit capacity may consist of empty conduit runs to
covered boxes above the ceiling or beneath the floor. oversizing
conduits in active circuits, or by other means that may seem
appropriate to the designer.
c. Number circuits by pole number on single pole breakers and by first
pole number on two and three pole breakers.
d. Indicate load in amperes, not kW or kVA.
e. Do not show breakers by class.
f. Do not show estimated demand load.
g. Do not use fusible panelboards.
h. When more than 42 poles are required, provide separate panelboards.
Do not use dual section panelboards.
A.5.1.2
PANELBOARD SCHEDULES
Provide panelboard schedules on the drawings in the format shown in Figures
10 and 11. Include the following:
a. Panelboard designation
Attachment A-22





 


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