Eaton Cutter-Hammer SPB-100 - Page 30

I
.
B
.
29
-
801
C
Page
24
contacts
will
tend
to
avoid
resistance
buildup
and
there
-
by
minimize
heating
.
Circuit
breakers
used
for
frequent
switching
need
no
further
exercising
.
For
working
convenience
and
safety
,
bus
systems
sup
-
plying
fixed
mounted
breakers
should
be
de
-
energized
.
Drawout
mounted
breakers
should
be
racked
to
the
“
TEST
”
or
removed
positions
for
inspection
and
for
con
-
ducting
mechanical
tests
.
Electrically
operated
drawout
breakers
may
be
routinely
operated
electrically
while
in
the
“
TEST
’
position
.
For
functional
testing
of
the
trip
unit
,
refer
to
separate
detailed
trip
unit
instruction
publications
.
F
:
T
'
N
Effective
7
/
00
Courtesy of NationalSwitchgear.com