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25
Instruction Booklet
IB02201004E
Effective October 2017
Revision #4
Instructions for installation, operation, and
maintenance of 38 kV type VacClad-W,
150 BIL switchgear indoor housings
EATON
www.eaton.com
Figure 34. Thru-joint Field Taping Methods.
Table 4. Taping Chart.
Switchgear Voltage
Pre-insulation or Pad Overlap Minimum
Insulating Tape
kV
in (mm)
Lap of Tape
Layers
Number of Pads
38
1 .50 (38 .1)
0 .66
2
4
10.4 Responsibility of installer
•
For incoming or outgoing terminations, these approved materials
are not supplied by Eaton and must be obtained and installed by
others as identified above in the definitions .
•
For connections involving shipping splits within an assembly, or
connecting to a transformer, or to an AMPGARD MCC, or to an
MVA switchgear assembly, insulating materials will be supplied by
Eaton only if necessary . It is the responsibility of the installer to
insulate the connections in accordance with these instructions .
•
For an assembly that does not have continuous insulating sleeving
on the phase bus conductors, cable connections or bus connec-
tions to other apparatus, insulation of these connections must be
made .
DWG NO
MODEL REV
SHEET OF
TITLE
ALL REV. NOTES
LISTED ON SHT. 1
REV
MODEL FILENAME
T.BLK
REV-4
C
7819C90
2
2
4
JOINT TAPING
THRU-JOINTS, WITH-HARDWARE
1. CLEAN AREA OF DIRT AND FOREIGN MATTER
2. WIPE PREINSULATION WITH ISOPROPYL ALCOHOL.
3. APPLY FILLER OVER BARE CONDUCTOR AND HARDWARE TO
COVER AND SMOOTH OUT THE SURFACE. BLEND CONTOUR
INTO PRE- INSULATION SURFACES. TRY TO PREVENT AIR
POCKETS. COVER CONDUCTORS AND HARDWARE WITH AT
LEAST .12 INCH OF FILLER PER FIG. 6.
4. APPLY 3.0X.030 THICK PAD #1 OVER CENTER OF JOINT WITH 1
1/4 LAPS (FIG.7).
5. APPLY 3.0X.030 THICK PAD #2 STARTING .50 INCH FROM
CENTER AND EXTENDING OVER PREINSULATION AT LEAST 1.0
INCH WITH 1 1/4 LAPS. APPLY 3.00 X .030 THICK PAD #3
STARTING 1.00 FROM PAD #2 AT CENTER AND EXTENDING 1.00
IN. OVER PREINSULATION PER FIG. 8.
6. APPLY ONE LAYER OF INSULATING TAPE (1.00X.030) USING
2/3 LAP AND EXTENDING 0.50 INCH MINIMUM BEYOND THE PADS
ON THE PREINSULATION PER FIG. 9.
7. APPLY A SECOND LAYER OF INSULATING TAPE (1.00X.030)
USING 2/3 LAP AND EXTENDING 0.50 INCH MINIMUM BEYOND
THE FIRST LAYER ON THE PREINSULATION PER FIG. 9.
CAUTION
FAILURE TO INSTALL FIELD INSULATION WHERE NECESSARY IN ACCOR-
DANCE WITH THESE INSTRUCTIONS WILL COMPROMISE THE ELECTRICAL
RATINGS OF THE SWITCHGEAR ASSEMBLY. INSTALL FIELD INSULATION
TO MAINTAIN THE ELECTRICAL RATINGS.