14
Instruction Booklet
IB022003EN
Effective April 2018
Revision #3
Instructions for installation, operation, and
maintenance of Type MVS-ND, metal-enclosed
switchgear assemblies: 4.76 kV or 15.0 kV class
EATON
www.eaton.com
MVS-ND switchgear field taping procedure
(5/15 kV)
Busbar taping
Materials for taping
Reference Figures 8 and 9 for details on proper busbar taping .
•
Filler: A putty-like material:
Trade name: Scotchfil
T
or Nashau
T
102 . Pieces of insulating tape
may be used .
•
Insulating tape and pad – High voltage EPR insulating tape:
Trade name: Scotch
T
130C .
Using an insulating boot
Step 1: Clean the area of dirt and foreign matter . Use a clean, dry
cloth or, if necessary, dampen slightly with distilled water .
Do not use any abrasives or solvents .
Step 2: Place the boot over the joint so it fits in place . Fasten
together with plastic wire ties . Cut off excess ends of
plastic wire ties .
Cable termination taping
If cable termination insulation boots are not provided, Eaton
recommends using tape material, Trade name: Scotch 130C, for
all cable termination insulation . Refer to 3M’s taping method
instructions, Tape Method for Insulating Bus-Bar Connections
5-35 kV to Meet ANSI C37 .20 Requirements, for installation
techniques when using this tape .
Figure 8.
DWG NO
MODEL REV
SHEET OF
TITLE
ALL REV. NOTES
LISTED ON SHT. 1
REV
MODEL FILENAME
T.BLK
REV-4
C
7819C35
2
2
3
JOINT TAPING
THRU-JOINTS, WITH-HARDWARE
1. CLEAN AREA OF DIRT AND FOREIGN MATTER
2. WIPE PREINSULATION WITH ISOPROPYL ALCOHOL IF NECESSARY
3. APPLY FILLER OVER BARE CONDUCTOR AND HARDWARE TO
COVER AND SMOOTH OUT SURFACE. CONTOUR INTO
PREINSULATION SURFACES. TRY TO PREVENT AIR POCKETS.
COVER CONDUCTORS AND HARDWARE WITH AT LEAST .12 INCH OF
FILLER PER FIG. 5.
4. APPLY 6.0X.030 THICK PAD #1 OVER JOINT WITH MINIMUM OF 1.0
INCH OVERLAP ON FLUIDIZE (1 1/4 LAPS). APPLY 6.0X.030 THICK PAD
#2 OVER PAD #1 BUT STARTING ON RIGHT SIDE WITH 1.0 INCH
OVERLAP ON PREINSULATION SEE FIG. 6
5. APPLY 6.0X.030 THICK PAD #3 OVER PADS #1 & #2 AND CENTERED
ON JOINT PER FIG. 7
6. APPLY ONE LAYER OF 1.00X.030 INSULATING TAPE USING 2/3 LAP
AND EXTENDING 0.75 INCH MINIMUM BEYOND THE PADS ON THE
PREINSULATION PER FIG. 8.
T-Joint Field Taping Methods.