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Types AB
GEH-15398
FRONT
*PRESENT ONLY ON A-C VOLTMETERS (EXCEPT EXPANDED SCALE)
RATED 150 VOLTS OR BELOW
D-e Ammeter
D-e Voltmeter
D-e Ground Detector
A-c Ammeter
A-c Ammeter {double-rated)
A-c Voltmeter
Voltmeter (ex p anded-s cale)
Fig. 8.
FRO N T
Dimensions of Type DB-18 ammeter s with rheostat fo r lead-length compensation.
9.
Fig.
8
DB Ammeters
Voltmeters
and
and
SIDE
PANEL
f-ze THD
INSTRUMENT
LOCATION
Dimensions of Types AB-18 and DB-18 ammeters, voltmeters,
and ground detectors.
SIDE
\
USE AS GROUNDING STUD IN
A C CORDANCE WITH EXTERNAL
CONNECTION DIAGRAM
).
�·
3 2
NOTE
TERMINAL STUDS ARE FOR PURPOSES
OF DIMENSIONAL LOCATION ONLY FOR
CONNECTIONS, SEE THE APPROPRIATE
EXTERNAL CONNECTION DIAGRA M.
DIMENSIONS
STUD
X
CD
3 11/32"
2 31 /32"
3 11/32"
2 31 /32"
AB
CD
3 11/32"
2 31 /32"
4 1/4"
AB
EF
4 1 /4"
AB
AB
4 1/4"
s
AB
11 /16"
S S/16"
NAMEPLATE
RHEOSTAT
THE LETTERS NEXT TO THE
y
3 7/8"
3 7/8"
3 7/8"
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