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D. Terminal Strips
1.
TBB
Breaker Terminal Strips
a.
Breaker terminal strips are located on the rear side of the breaker mounting pan, directly behind each
respective breaker.
b.
The breaker auxiliary contacts and shunt trip are connected to TBB.
c.
The number with TBB identifies which breaker the strip is for, 1e, TBB-1 is for generator breaker #1, etc.
2.
TBC
A. C. Voltage Terminal Strip
a.
TBC terminal strips are located behind the rear doors with the potential transformers and fuses.
b.
TBC terminals are used as interlock all A. C. metering and control.
c.
The number with TBC identifies which generator rear cubicle the terminal strip is located, ie, TBC-1 is for
generator section #1, etc.
3.
TBD
Door Terminal Strip
a.
TBD terminal strips are located behind front doors and screw on panels.
b.
TBD-1,2,3 are located behind respective upper generator doors.
c.
TBD-4 is located behind the synchronizing section door.
d.
TBD-5 is located behind the distribution section panel.
e.
TBD-6 is located behind the generator breaker panel.
f.
TBD-7 is located behind the shore power breaker panel.
4.
TBE
Engine Inter Connect Terminal Strip
a.
TBE terminal strips are located at the engine automatic cranking controls behind each respective generator
door.
b.
TBE terminals inter connect the diesel engine for start and stop control.
c.
The number with TBE identifies which engine the strip is for, le, TBE-1 is for engine number 1, etc.
5.
TBO
Engine-Generator Operating Control Terminal Strip
a.
TBO terminal strips are located behind each respective generator door.
b.
TBO terminal inter connect to the following controls:
1)
Idle run switch
2)
Voltage adjust rheostat
3)
Governor speed switch
c.
The number with TBO identifies which engine/generator the strip is for, ie, TBO-1 is for engine/generator
number 1, etc.