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24
Installation
01.4IB.26264A
FlexGear
™
Low Voltage Arc Resistant Switchgear
Figure 10 Arc Flash Preventers
a
c
b
a. Fresh Air Inlet
b. AR Slam Vent
c. Floor
Note:
Section view of lower portion of
typical switchgear showing AR Slam
Vent. AR Slam Vent must be in open
position as shown before equipment is
energized.
2) Testing
The following tests shall be completed
before placing the switchgear into
operation:
a. A megger test shall be made to ensure
all connections made in the field are
free of undesirable grounds
b. A dielectric test shall be made on the
high voltage circuit for one minute at
the appropriate test voltage. (Voltage
transformers, CPT’s, and surge arresters
must be disconnected during this test).
c. For Start Up and Commissioning refer to
or contact Powell Service
Department.