Cutler-Hammer VCP-W User manual

Instructions for the Type VCP-W
Electrical Ground and Test Device (Simple
Con-Edison Customer Interlocked Version
Per Con Edison Specification EO-2022 I.L. 4A35310B
____________________________________________________________
Cutler-Hammer, Inc.
Cutler-Hammer Products
Electrical Distribution Products Operations
Coraopolis, Pa. 15108
Effective March 1999
____________________________________________________________

iii I.L. 4A35310B
____________________________________________________________________________________________
March 1999
The VCP-W Electrical Ground and Test Device (Simple)
Con Ed Customer Interlocked Version
Contents
Page Number
1.0 Introduction ............................................................................................... 1
2.0 Description ................................................................................................. 1
2.1 Power Grounding Switch Operation.............................................. 3
2.1.1 Closing...................................................................................... 3
2.1.2 Opening ...................................................................................... 3
2.2 VCP-W Interlocks and Safety Features ............................................ 3
2.3 Con Edison Interlocks- Basic Elements Description........................ 4
3.0 Operation ................................................................................................... 6
3.1 Safe Practices ....................................................................................... 6
3.2 Applying Grounds to the Incoming Feeder ...................................... 7
3.3 Removing Grounds from the Incoming Feeder.............................. 13
3.4 Procedure for Testing of the Incoming Feeder............................... 18
3.5 Procedure for Removing the Test Probes ....................................... 27
Appendix A - Front View.................................................................................... 34
Appendix B- Side View - Lower Terminal........................................................ 35
Appendix C - Side View - Upper Terminal....................................................... 36
Appendix D - Control Scheme - Power Trip..................................................... 37
Appendix E - Switchgear Code Plate Requirements ....................................... 38

1 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
TYPE VCP-W ELECTRICAL GROUND & TEST DEVICE (SIMPLE)
CON EDISON CUSTOMER INTERLOCKED VERSION
1.0 INTRODUCTION
Type Vac Clad-W swi chgear assemblies are designed wi h all he bus work comple ely insula ed for safe y. Since
he curren carrying par s are no readily accessible, he ype VCP-W Elec rical Ground and Tes Device is designed
for inser ion in o he breaker compar men o gain access o he primary s a ionary con ac s. I provides a convenien
means o:
1. Ground he circui for main enance work.
2. Apply po en ial for cable es ing.
CAUTION Because of the unique application and vast variety of system/user requirements, specific safe
operating procedures for the use of this device must be developed by the user.
2.0 DESCRIPTION
The Elec rical Ground and Tes Device is a drawou elemen ha can be inser ed in o a circui breaker compar men
in he same manner as a ype VCP-W circui breaker, see Figure 2.0.1. Vac Clad-W swi chgear is a wo-high
arrangemen . In he lower compar men he op erminals normally connec o he main bus and he bo om erminals
normally connec o he incoming line or feeders. In an upper compar men he opposi e normally holds rue, i.e., he
op erminals connec o he incoming line or feeders and he bo om erminals connec o he main bus. This mus be
verified for each applica ion. Because of his wo-high arrangemen , here are wo s yles of he Elec rical Ground
and Tes Device. In he lower compar men , he Elec rical Ground and Tes Device would normally provide
connec ions o he bo om erminals, see Figure 2.0.2. In he upper compar men , he Elec rical Ground and Tes
Device would normally provide connec ions o he op erminals, see Figures 2.0.3 and 2.0.4. Again, he bus
arrangemen mus be verified for each applica ion.
This device is longer han he s andard VCP-W breaker. Therefore:
1. Elec rical Ground and Tes Device mus be handled wi h ex reme care while loading i on or removing i
from he ex ension rails.
2. The ex ension rails canno be engaged or disengaged wi h he device in he “Tes ” posi ion-- he device mus
be ei her removed or in he “Connec ed” posi ion.
3. The device canno be s ored in a Vac Clad-W breaker compar men . I can only be s ored in a s orage
compar men .
The s ored energy closing mechanism for he power grounding swi ch is he same as used in ype VCP-W breakers.
I is capable of applying he ground agains a “Live” circui if opera ional errors have no cleared he circui .
However, in such a case, he relaying a he source of power is expec ed o cause he source in errup er o clear he
circui as THIS DEVICE HAS NO INTERRUPTING CAPABILITY.

2 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
FIGURE 2.0.1.G & T DEVICE FIGURE 2.0.2 LOWER COMPARTMENT
G & T DEVICE
FIGURE 2.0.3 UPPER COMPARTMENT FIGURE 2.0.4. GROUND SWITCH
G & T DEVICE CLOSED
FIGURE 2.1.1.1. MANUAL “PUSH TO OPEN” FIGURE 2.1.2.1. MANUAL “PUSH TO
BUTTON COVERED OPEN” BUTTON

3 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
2.1 POWER GROUNDING SWITCH OPERATION
2.1.1 CLOSING
The power grounding swi ch is closed by he remo e opera ing s a ion a he end of a 50 f . long cable
(supplied wi h he device). Upon depressing he “CLOSE” push-bu on (no e ha he push-bu on does no
have o be held depressed):
1. The closing springs s ar o charge.
2. Af er he springs are fully charged, hey au oma ically discharge o close he swi ch con ac s.
Once he ground swi ch is closed, i can be locked in he “Closed“ posi ion by removing he cable from he
recep acle on he device and locking he sliding cover ha permi s access o he manual “Push o Open”
bu on, see Figure 2.1.1.1.
2.1.2 OPENING
The grounding swi ch can be opened by manual opera ion of he “Push o Open” bu on, loca ed behind he
sliding cover on he device fron panel, Figure 2.1.2.1. The grounding swi ch can be opened elec rically
using he remo e opera ing s a ion, Figure 2.1.2.2. The “OPEN” push-bu on mus be depressed. For
safe y reasons, he swi ch is preven ed from opening in less han 20 seconds af er closing.
2.2 VCP-W INTERLOCKS AND SAFETY FEATURES
The device is designed o provide as many in erlocks and safe y fea ures as prac ical for he personnel
performing any of he opera ions described earlier.
The device canno be levered in o or ou of he “Connec ed” posi ion unless he ground swi ch is open:
• Upon levering a device wi h a closed grounding swi ch in o or ou of he “Tes ” posi ion, he swi ch is ripped
open by he floor ripper in he compar men .
• In he “Connec ed” posi ion, he levering crank is preven ed from being engaged wi h he levering screw unless
he grounding swi ch is ripped firs .
• An indica or on he fron panel shows he s a us of he ground swi ch con ac s - “Open” or “Closed”, See
Appendix A.
• The grounding swi ch can be locked closed wi h a padlock. This is accomplished by locking he sliding cover
on he device fron panel o preven access o he manual “Push o Open” bu on, See Appendix A.
• The grounding swi ch canno be manually closed. The spring charging socke and manual close bu on are bo h
covered by he device fron panel, See Appendix A.
• The grounding swi ch can be closed only elec rically by a remo e opera ing s a ion a he end of a 50 f . cable
supplied wi h he device. Access o he manual close bu on is blocked by he device fron panel.
• The power o opera e he grounding swi ch in his device is ob ained hrough he secondary disconnec in he
breaker compar men .

4 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
• The ground swi ch canno be opened elec rically in less han 20 seconds af er closing, See Appendix D. This
fea ure permi s he source in errup er o clear a faul if he grounding swi ch is inadver en ly closed on an
energized circui as THIS DEVICE HAS NO INTERRUPTING CAPABILITY.
• The con rol swi ch cable is connec ed o he device wi h a wis lock connec or.
2.3 CON EDISON INTERLOCKS - BASIC ELEMENTS DESCRIPTION
Key Lock K1 (Keys KU & KB) - The K1 in erlock is a wo cylinder lock used o elec rically enable
or disable he G & T device.
In he Cu ler-Hammer Wes inghouse Produc s E.O. G & T device design, he K1 lock is a wo cylinder
ransfer lock wi h a swi ch associa ed wi h i . The swi ch is closed when Key KB is re ained. When
he swi ch is open, he G & T device is elec rically disabled and key KU is re ained, See Figure 2.3.1.
Key Lock K2 (Keys KB & KC) - The K2 in erlock is a wo cylinder lock used o mechanically lock he
G & T device "OPEN".
In he Cu ler-Hammer design, he K2 lock func ion is no needed. I is no possible for an opera or of he
G & T device o manually charge he closing springs or o manually close he device o ground. Therefore,
he K2 lock will be a wo cylinder ransfer key lock for consis ency wi h he Con Ed opera ing procedure,
see Figure 2.3.2.
Key Lock K3 (Key KC) - The K3 in erlock is a single cylinder lock ha when locked, preven s he G & T
device from inser ion in o he breaker compar men .
In he Cu ler-Hammer design, he K3 lock blocks he G & T device levering la ch from engaging he
levering nu in he breaker compar men . In addi ion, he K3 lock is used o preven opera ion of he
levering in screw in bo h he Tes and Connec ed posi ions. Key KC is removable wi h he lock bol
ex ended and he key normally resides in Key Lock K2, see Figure 2.3.3.
Key Lock K4 (Keys KB & KD) - The K4 in erlock is a wo cylinder lock used o mechanically lock he
G & T device in he "CLOSED" posi ion.
In he Cu ler-Hammer design, he K4 in erlock is a wo cylinder lock used wi h he "Closed Locking
Device" o preven he G & T device from being opened. When he G & T device is in he "OPEN"
s a e, he "Closed Locking Device" is disabled. Key KD is re ained when he lock bol is re rac ed. When
he G & T device is "CLOSED", he "Closed Locking Device" is free o move o he righ . The lock
bol can now be ex ended and he "Closed Locking Device" will be held in he secured "CLOSED"
posi ion. Key KD is now removable from lock K4. In his secured posi ion, he "Closed Locking Device"
has blocked opera or access o he manual "OPEN" push-bu on. Also, in his secured posi ion a
posi ion, in erlock swi ch elec rically disables he remo e "OPEN" push-bu on. A padlock hasp is
provided for securing he "CLOSED" posi ion wi h a padlock, See Figure 2.3.4..
Key Lock K5 (Key KD) - The K5 in erlock is a single cylinder lock used o open and lock he es por
shu ers.
In he Cu ler-Hammer design, he K5 in erlock is a single cylinder lock. Key KD is removable when
he lock bol is ex ended and he key normally resides in key lock K4. Key KD is available only when he
G & T device is locked "CLOSED". Key KD is removable from he K5 in erlock in wo ex ended bol
posi ions. One posi ion is when he Tes Por shu ers are closed. The second posi ion is when he Tes
Probes are inser ed in he Tes Por s and hey are being re ained by he "de en " posi ion of he shu er,
See Figure 2.3.5.

5 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
FIGURE 2.1.2.2 REMOTE OPERATING STATION
FIGURE 2.3.1 KEY LOCK K1 INTERLOCK
FIGURE 2.3.2 KEY LOCK K2 INTERLOCK FIGURE 2.3.3 KEY LOCK K3 INTERLOCK
FIGURE 2.3.4 KEY LOCK K4 INTERLOCK FIGURE 2.3.5 KEY LOCK K5 INTERLOCK

6 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
FIGURE 2.3.6 SELECTOR SWITCH FIGURE 3.1.1 G & T DEVICE CODE PLATE
Selector Switch - A selec or swi ch has he "OPEN", "OFF" and "CLOSE" posi ions and shall opera e in
associa ion wi h he remo e "OPEN"/"CLOSE" push-bu on s a ion, See Figure 2.3.6.
In he Cu ler-Hammer design, he selec or swi ch func ions as described below. In he "OFF" posi ion, he
G & T device is elec rically disabled. The selec or swi ch is padlockable in he "OFF" posi ion. This
provides he padlockable func ion for he Key Locks K1 and K2. The selec or Swi ch in he "CLOSE"
posi ion allows he execu ion of a remo e "CLOSE" command. The "OPEN" func ion is disabled.
Conversely, he selec or swi ch in he "OPEN" posi ion allows he execu ion of a remo e "OPEN"
command. The "CLOSE" func ion is disabled.
3.0 OPERATION
3.1 SAFE PRACTICES
The G & T device is a safe y-rela ed device. I mus be recognized ha IMPROPER USE CAN RESULT
IN DEATH, SERIOUS PERSONAL INJURY, OR PROPERTY DAMAGE. Tha is why i is impor an
ha he user develop specific and safe opera ing procedures for i s use.
The following general safe prac ices are recommended:
1. THE DEVICE CANNOT BE STORED IN A VAC CLAD-W BREAKER COMPARTMENT. IT CAN ONLY
BE STORED IN A STORAGE COMPARTMENT.
2. S ore he device in a clean, dry area free from dus , dir , mois ure, e c.
3. Keep all insula ing surfaces, which include primary suppor insula ion and insula ion barriers, clean and dry.
4. Check all primary circui connec ions o make cer ain ha hey are clean and igh .
5. Permi only au horized rained personnel o use his device.
6. Take ex reme care while using his device o avoid con ac ing "Live" or "Ho " (energized) erminals.
7. Do no remove he device fron panel while using his device.
8. Always "CLOSE" he grounding swi ch elec rically from he far hes dis ance wi h he remo e con rol swi ch.

7 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
9. Before inser ing he device in o he breaker compar men , CORRECTLY IDENTIFY LINE AND BUS
TERMINALS FOR THE BREAKER COMPARTMENT and visually make cer ain ha he connec ions will be
made o he Line Terminals.
10. The G & T device is coded o be non-in erchangeable be ween upper and lower compar men s, See Figure 3.1.1.
Inspec swi chgear cell o verify ha he posi ion coded G & T device code pla e is ins alled (reference
8243A53H01), See Appendix E.
11. Check for dielec ric in egri y a 27kV AC across he erminals o ground wi h he grounding swi ch "OPEN".
Typical procedures for use of his G & T device are as follows:
3.2 APPLYING GROUNDS TO THE INCOMING FEEDER
1. Wi h he G & T device ou of he breaker compar men , CORRECTLY IDENTIFY LINE AND BUS
TERMINALS FOR THE BREAKER COMPARTMENT and visually make cer ain ha he
connec ions will be made o he Line Terminals.
2. The Key KU, which is used o s ar he grounding and es ing opera ions, is ob ained from he lock box
on he premises.
3. Key KU is inser ed in o Key Lock K1 and is ro a ed, See Figure 3.2.1. . The swi ch which is
associa ed wi h Key Lock K1 opens. The G & T device’s “CLOSE” circui is elec rically disabled.
Key KU has elec rically locked he G & T device "OPEN" and is held cap ive. Key KB is now
available in Key Lock K1.
4. Key KB is removed from Key Lock K1 and is inser ed in o Key Lock K2 and Key KC is ro a ed, See
Figure 3.2.2 and 3.2.3. (The G & T device is already mechanically locked "OPEN" by vir ue of he
fac ha i is no possible for he opera or o manually charge he closings springs and manually
"CLOSE" he device o ground.) Key KB is now held cap ive in Key Lock K2 and Key KC is now
available.
5. Key KC is removed from Key Lock K2 and is inser ed in o Key Lock K3 and is ro a ed, see Figures
3.2.4 and 3.2.5. Wi h he lock bol re rac ed, he in erlock can now be moved o he righ releasing he
levering la ch handle, See Figure 3.2.6.
6. Ins all he ex ension rails in he breaker compar men . Lif he G & T device and load i on he
ex ension rails wi h ex reme care, See Figure 3.2.7. Remember, he G & T device is longer han he
s andard VCP-W breaker.
Op ional use of a ramp for he BOTTOM (floor level) swi chgear compar men . Engage he ramp on o he
fixed rails of he swi chgear bo om compar men . Push he G & T device on o he ramp checking o
insure he wheels of he G & T device are fully wi hin he racks of he ramp, See Figure 3.2.8.
7. Push he device o he "Tes " posi ion as indica ed by he crisp clicking sound of he levering la ch
engaging he levering nu .
Con inue o push he G & T device up he ramp in o he swi chgear compar men un il he levering la ch is
heard engaging he levering nu .
8. Using he breaker levering crank, lever he G & T device o he "Connec ed" posi ion as indica ed by
he red flag appearing in fron of and under he levering crank., See Figure 3.2.9.
9. The K3 in erlock is moved back o he lef o engage he levering la ch handle, See Figure 3.2.10. Key
KC is ro a ed in Key Lock K3. The levering in screw is made inoperable, locking he G & T device in
he “Connec ed” posi ion in he breaker compar men .

8 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
10. Key KC is removed from Key Lock K3 and is inser ed in o Key Lock K2 and is ro a ed, See Figures
3.2.11 and 3.2.12. Key KC is now held cap ive in Key Lock K2 and Key KB is now available.
11. Key KB is removed from Key Lock K2 and is inser ed in o Key Lock K1 and Key KU is ro a ed,
See Figures 3.2.13 and 3.2.14. . The DP/ST swi ch which is associa ed wi h Key Lock K1 closes. The
G & T device's "CLOSE" circui is elec rically enabled.
12. Verify ha he hree posi ion "OPEN/OFF/CLOSE" Selec or Swi ch on he fron of he G & T device
is in he "OFF" posi ion, See Figure 3.2.15.
13. The umbilical cord of he Remo e Opera ing S a ion is inser ed in o he recep acle on he fron of he
G & T device, See Figure 3.2.16. The Remo e Opera ing S a ion consis s of "OPEN" and "CLOSE"
push-bu on swi ches.
14. The hree posi ion "OPEN/OFF/CLOSE" Selec or Swi ch is hen moved from he "OFF" posi ion o
he "CLOSE" posi ion, See Figure 3.2.17.
15. Use he Remo e Opera ing S a ion o "CLOSE" he G & T device via he "CLOSE" push-bu on
swi ch from he safes dis ance, See Figure 3.2.18.
16. Place he "OPEN/OFF/CLOSE" Selec or Swi ch in he "OFF" posi ion. Unplug he remo e opera ing
s a ion from he G & T device, See Figures 3.2.19 and 3.2.20.
17. Key KU is ro a ed in Key Lock K1 o elec rically lock he G & T device in he "CLOSE" posi ion by
elec rically disabling he G & T device’s “OPEN” circui . Key KB is removed from Key Lock K1
and is locked in he lock box on he premises, See Figure 3.2.21.
THIS SPACE INTENTIONALLY LEFT BLANK

9 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
APPLYING GROUNDS TO THE INCOMING FEEDER
FIGURE 3.2.1 INSERT KEY KU IN KEY LOCK K1 FIGURE 3.2.2 REMOVE KEY KB FROM LOCK K1
AND ROTATE
FIGURE 3.2.3 INSERT KEY KB IN FIGURE 3.2.4 REMOVE KEY KC FROM
KEY LOCK K2 AND ROTATE KEY KC KEY LOCK K2
FIGURE 3.2.5 INSERT KEY KC IN KEY LOCK K3 AND FIGURE 3.2.6 LEVERING LATCH HANDLE IS
ROTATE RELEASED

10 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
APPLYING GROUNDS TO THE INCOMING FEEDER CONT.
FIGURE 3.2.7 G & T DEVICE ON EXTENSION RAILS FIGURE 3.2.8 G & T DEVICE ON RAMP
FIGURE 3.2.9 G & T DEVICE LEVERED IN TO
THE CONNECT POSITION
FIGURE 3.2.10 LEVERING DEVICE LOCKED
FIGURE 3.2.11 REMOVE KEY KC FROM KEY LOCK K3 FIGURE 3.2.12 INSERT KEY KC IN KEY LOCK
K2 AND ROTATE.

11 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
APPLYING GROUNDS TO THE INCOMING FEEDER (CONT)
FIGURE 3.2.13 REMOVE KEY KB FROM KEY FIGURE 3.2.14 INSERT KEY KB IN KEY
LOCK K2 LOCK K1 AND ROTATE KEY KU
FIGURE 3.2.15 VERIFY THAT THE SELECTOR SWITCH FIGURE 3.2.16 INSERT REMOTE OPERATING
IS IN THE “OFF” POSITION STATION PLUG
FIGURE 3.2.17 TURN SELECTOR SWITCH TO
“CLOSE” POSITION FIGURE 3.2.18 PUSH “CLOSE” PUSH-BUTTON

12 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
APPLYING GROUNDS TO THE INCOMING FEEDER CONT.
FIGURE 3.2.19 TURN SELECTOR SWITCH TO “OFF”
POSITION FIGURE 3.2.20 REMOVE REMOTE
OPERATING STATION PLUG
FIGURE 3.2.21 ROTATE KEY KU AND REMOVE KEY KB
FROM KEY LOCK K1

13 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
3.3 REMOVING GROUNDS FROM THE INCOMING FEEDER
1. The Key KB, which is used o s ar he process of removing he grounds from he incoming feeder, is ob ained
from he lock box on he premises.
2. Key KB is inser ed in o Key Lock K1 and Key KU is ro a ed, See Figure 3.3.1. The swi ch which is associa ed
wi h Key Lock K1 closes. The G & T device’s “OPEN” circui is elec rically enabled.
3. Verify ha he hree posi ion "OPEN/OFF/CLOSE" Selec or Swi ch on he fron of he G & T device is in he
"OFF" posi ion, See Figure 3.3.2.
4. The umbilical cord of he Remo e Opera ing S a ion is inser ed in o he recep acle on he fron of he G & T
device, See Figure 3.3.3. The Remo e Opera ing S a ion consis s of "OPEN" and "CLOSE" push-bu on
swi ches.
5. The hree posi ion "OPEN/OFF/CLOSE" Selec or Swi ch is hen moved from he "OFF" posi ion o he
"OPEN" posi ion, See Figure 3.3.4.
6. Use he Remo e Opera ing S a ion o "OPEN" he G & T device via he "OPEN" push-bu on swi ch from he
safes dis ance, See Figure 3.3.5.
7. Place he "OPEN/OFF/CLOSE" Selec or Swi ch in he "OFF" posi ion, See Figure 3.3.6. Unplug he Remo e
Opera ing S a ion from he G & T device, See Figure 3.3.7.
8. Key KU is ro a ed in Key Lock K1. The swi ch which is associa ed wi h Key Lock K1 opens. The G & T
device’s “CLOSE” circui is elec rically disabled. Key KU has elec rically locked he G & T device "OPEN"
and is held cap ive. Key KB is now available in Key Lock K1.
9. Key KB is removed from Key Lock K1 and is inser ed in o Key Lock K2 and Key KC is ro a ed, See Figures
3.3.8 and 3.3.9. (The G & T device is already mechanically locked "OPEN" by vir ue of he fac ha i is no
possible for he opera or o manually charge he closings springs and manually "CLOSE" he device o
ground.) Key KB is now held cap ive in Key Lock K2 and Key KC is now available.
10. Key KC is removed from Key Lock K2 and is inser ed in o Key Lock K3 and is ro a ed, See Figures 3.310 and
3.3.11. Wi h he lock bol re rac ed, he in erlock can now be moved releasing he levering la ch handle and
also freeing he levering in screw, see Figure 3.3.12.
11. Ins all he ex ension rails in he breaker compar men . Using he breaker levering crank, lever he G & T device
ou o he "Tes " posi ion.
Op ional use of a ramp for he BOTTOM (floor level) swi chgear compar men . Engage he ramp on o he fixed
rails of he swi chgear bo om compar men . Using he breaker levering crank, lever he G & T device ou o
he “TEST” Posi ion.
12. Disengage he levering la ch by lif ing he handle on he G & T device and pulling i ou on o he ex ension
rails, see Figure 3.3.13.
Disconnec he secondary con ac s. Disengage he levering la ch by lif ing he handle on he G & T device and
pulling he G & T device ou (2-3 inches) hen release he handle. S and in fron of he G & T device and pull
he G & T device on o he ramp, pushing agains he weigh of he G & T device o preven rapid movemen and
gen ly guiding i down he ramp on o he floor.
13. Lif he G & T device off he ex ension rails wi h ex reme care.
14. The K3 in erlock is moved o engage he levering la ch handle. Key KC is ro a ed in Key Lock K3.

14 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
15. Key KC is removed from Key Lock K3 and is inser ed in o Key Lock K2 and is ro a ed, see Figures 3.3.14 and
3.3.15. Key KC is now held cap ive in Key Lock K2 and Key KB is now available.
16. Key KB is removed from Key Lock K2 and is inser ed in o Key Lock K1 and Key KU is ro a ed, see Figures
3.3.16 and 3.3.17. The swi ch which is associa ed wi h Key Lock K1 closes.
17. Key KU is removed from Key Lock K1 and is locked in he lock box on he premises, see Figure 3.3.18.
THIS SPACE INTENTIONALLY LEFT BLANK

15 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
REMOVING GROUNDS FROM THE INCOMING FEEDER
FIGURE 3.3.1 INSERT KEY KB IN KEY LOCK FIGURE 3.3.2 VERIFY THAT THE SELECTOR
K1 AND ROTATE KEY KU SWITCH IS IN THE “OFF” POSITION.
FIGURE 3.3.3 INSERT REMOTE OPERATING STATION FIGURE 3.3.4 TURN SELECTOR SWITCH TO
STATION PLUG “OPEN” POSITION
FIGURE 3.3.5 PUSH “OPEN” PUSH-BUTTON FIGURE 3.3.6 TURN SELECTOR SWITCH TO
“OFF” POSITION

16 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
REMOVING GROUNDS FROM THE INCOMING FEEDER CONT.
FIGURE 3.3.7 REMOVE REMOTE OPERATING FIGURE 3.3.8 ROTATE KEY KU AND REMOVE
STATION PLUG KEY KB FROM KEY LOCK K1
FIGURE 3.3.9 INSERT KEY KB IN KEY LOCK FIGURE 3.3.10 REMOVE KEY KC FROM KEY
K2 AND ROTATE KEY KC LOCK K2
FIGURE 3.3.11 INSERT KEY KC IN KEY LOCK FIGURE 3.3.12 LEVERING LATCH HANDLE IS
K3 AND ROTATE RELEASED

17 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
FIGURE 3.3.13 G & T DEVICE ON EXTENSION FIGURE 3.3.14 REMOVE KEY KC FROM KEY
RAILS LOCK K3
FIGURE 3.3.15 INSERT KEY KC IN KEY LOCK K2 FIGURE 3.3.16 REMOVE KEY KB FROM KEY LOCK
AND ROTATE K2
FIGURE 3.3.17 INSERT KEY KB IN KEY LOCK FIGURE 3.3.18 REMOVE KEY KU FROM KEY LOCK K1
K1 AND ROTATE KEY KU

18 I.L. 4A35310B
____________________________________________________________________________________________
March 1999
3.4 PROCEDURE FOR TESTING OF THE INCOMING FEEDER
1. Wi h he G & T device ou of he breaker compar men , CORRECTLY IDENTIFY LINE AND BUS
TERMINALS FOR THE BREAKER COMPARTMENT and visually make cer ain ha he connec ions will
be made o he Line Terminals.
2. The Key KU, which is used o s ar he grounding and es ing opera ions, is ob ained from he lock box on he
premises.
3. Key KU is inser ed in o Key Lock K1 and is ro a ed, see Figure 3.4.1. . The swi ch which is associa ed wi h
Key Lock K1 opens. The G & T device’s “CLOSE” circui is elec rically disabled. Key KU has elec rically
locked he G & T device "OPEN" and is held cap ive. Key KB is now available in Key Lock K1.
4. Key KB is removed from Key Lock K1 and is inser ed in o Key Lock K2 and Key KC is ro a ed, see Figures
3.4.2 and 3.4.3. (The G & T device is already mechanically locked "OPEN" by vir ue of he fac ha i is no
possible for he opera or o manually charge he closings springs and manually "CLOSE" he device o
ground.) Key KB is now held cap ive in Key Lock K2 and Key KC is now available.
5. Key KC is removed from Key Lock K2 and is inser ed in o Key Lock K3 and is ro a ed, see Figures 3.4.4 and
3.4.5. Wi h he lock bol re rac ed, he in erlock can now be moved o he righ releasing he levering la ch
handle, see Figure 3.4.6.
6. Ins all he ex ension rails in he breaker compar men . Lif he G & T device and load i on he ex ension rails
wi h ex reme care, see Figure 3.4.7. Remember, he G & T device is longer han he s andard VCP-W breaker.
Op ional use of a ramp for he BOTTOM (floor level) swi chgear compar men . Engage he ramp on o he fixed
rails of he swi chgear bo om compar men . Push he G & T device on o he ramp checking o insure he wheels
of he G & T device are fully wi hin he racks of he ramp, see Figure 3.4.8.
7. Push he device o he "Tes " posi ion as indica ed by he crisp clicking sound of he levering la ch engaging
he levering nu .
Con inue o push he G & T device up he ramp in o he swi chgear compar men un il he levering la ch is heard
engaging he levering nu .
8. Using he breaker levering crank, lever he G & T device o he "Connec ed" posi ion as indica ed by he red
flag appearing in fron of and under he levering crank, see Figure 3.4.9.
9. The K3 in erlock is moved back o he lef o engage he levering la ch handle, see Figure 3.4.10. Key KC is
ro a ed in Key Lock K3. The levering in screw is made inoperable, locking he G & T device in he
"Connec ed" posi ion in he breaker compar men .
10. Key KC is removed from Key Lock K3 and is inser ed in o Key Lock K2 and is ro a ed, see Figures 3.4.11 and
3.4.12. Key KC is now held cap ive in Key Lock K2 and Key KB is now available.
11. Key KB is removed from Key Lock K2 and is inser ed in o Key Lock K1 and Key KU is ro a ed, see Figures
3.4.13 and 3.4.14. The swi ch which is associa ed wi h Key Lock K1 closes. The G & T device’s “CLOSE”
circui is elec rically enabled.
12. Verify ha he hree posi ion "OPEN/OFF/CLOSE" Selec or Swi ch on he fron of he G & T device is in he
"OFF" posi ion, see Figure 3.4.15.
Other manuals for VCP-W
2
Table of contents
Other Cutler-Hammer Test Equipment manuals