Abbreviations Flashcards
(178 cards)
1
Q
C2 h2
A
Acetylene
2
Q
ACB
A
AIR CIRCUIT BREAKER
3
Q
ALT
A
ALTERNATE
4
Q
AC
A
ALTERNATING CURRENT
5
Q
Alum
A
ALUMINUM
6
Q
AL
A
ALUMINUM
7
Q
ACSR
A
ALUMINUM CONDUCTOR STEEL REINFORCED
8
Q
AWG
A
American wire gauge
9
Q
A
A
AMPERE
10
Q
Ah
A
Ampere hour
11
Q
Annun
A
Annunciator
12
Q
Ae
A
Apprentice electrician
13
Q
Aux
A
Auxiliary
14
Q
Bw
A
Bandwidth
15
Q
Bank
A
Bank
16
Q
Batt
A
Battery
17
Q
Bkr
A
Breaker
18
Q
Bcs
A
Breaker control switch
19
Q
Bus
A
Bus
20
Q
Bus disc
A
Bus disconnects
21
Q
Bus tie
A
Bus tie
22
Q
Bushing
A
Bushing
23
Q
Bypass
A
By-pass
24
Q
Cap
A
Capacitor
25
Co2
Carbon dioxide
26
CHG
Change
27
Ck
Check
28
Cir
Circuit
29
Cb
Circuit breaker
30
Cl
Close
31
Comm
Communication
32
Cu
Coppper
33
Ccvt
Coupling capacitor voltage transformer
34
Ct
Current transformer
35
C/o
CUTOUT
36
db
DECIBEL
37
Dev
Device
38
Diff
Differential
39
Dc
Direct current
40
Dir
Directional
41
Disc
Disconnect 2.4kv and above
42
Dga
Dissolved gas analysis
43
Dist
Distribution
44
Distops
Distribution operations
45
Eso
Electric switching order
46
Ea
Electrician assistant
47
C2 h6
Ethane
48
C2 h4
Ethylene
49
FA
Forced air
50
FOA
Forced oil air
51
FO
Forced oil (pumps)
52
Fused
Fused
53
Gal
Gallon
54
Galv
Galvanized
55
Gcb
Gas circuit breaker
56
Gis
Gas insulated substation
57
Gen
Generator
58
GSU
Generator step up
59
Grd
Ground
60
Gp
Ground protection
61
Hz
Hertz
62
Hv
High voltage
63
HN
Hold out number
64
Hp
Horsepower
65
Hr
Hour
66
Hyd
Hydraulic
67
H2
Hydrogen
68
Info
Information
69
Id
Inner diameter
70
KMO
Kearny maintenance and operations
71
Kvar
Kilovar
72
Kv
Kilovolt
73
KvA
Kilovolt/amp
74
KW
Kilowatt
75
KWh
Kilowatt-hour
76
Line
Line
77
Line disc
Line disconnect
78
Load
Load
79
Ltc
Load tap changer
80
L&T
Lock and tag
81
L/O
Lockout
82
LOW/OIL
LOW OIL
83
MAIN
MAIN
84
MAINT
Maintenance
85
MH
Manhole
86
MDM
Maximum demand meter
87
MECH
Mechanism
88
MW
Mega watt
89
MVAR
Megavar
90
MVA
Megavolt/amp
91
M
Meter
92
Ch4
Methane
93
M
Milli
94
mA
Milliampere
95
mV
Millivolt
96
mW
Milliwatt
97
MOD
Motor operated disconnect
98
Neg
Negative
99
Neut
Neutral
100
N2
Nitrogen
101
Nltc
No load tap changer
102
NORM
Normal
103
Odom
Odometer
104
Ω
Ohms
105
O
Oil
106
OA
Oil air
107
Ocb
Oil circuit breaker
108
Ok
Okay
109
Oos
Out of service
110
OD
Outer diameter
111
OC
Over current
112
OH
Overhead
113
O2
Oxygen
114
Para
Parallel
115
Ppm
PARTS PER MILLION
116
%
PERCENT
117
ɸ
PHASE
118
p
PICO
119
P
PICO
120
±
Plus or minus
121
P
Pole (distribution) prefix facility/structure code
122
Pot
Potential
123
Pt
Potential transformer
124
lbs
Pounds
125
Psi
Pounds per square inch
126
Pwr
Power
127
Pf
Power factor
128
Pref
Preferred
129
Rc c/o
Recloser cut out
130
REG
Regulator
131
Rtu
Remote terminal unit
132
REM
Remove
133
RFS
Remove from service
134
Rep
Replace
135
Sec
Secondary
136
Sect
Sectionalizing
137
Sel
Selector
138
1 ɸ
Single phase
139
Sp
Spare
140
STA
Station
141
Sl&p
Station light & power
142
Str
Stranded
143
Sub
Substation
144
Sf6
Sulfur hexaflouride
145
Supy
Supervisory
146
Scada
Supervisory control data acquisition
147
Swi
Switch- secondary low voltage
148
Sync
Synchronizing
149
SOD
System operating diagram
150
Tcul
Tap changer under load ( LTC is the preferred abbreviation )
151
Tgt
Target
152
Temp
Temperature
153
Kcmil
Thousand circular mills
154
3/c
Three conductor
155
3 ɸ
3 phase
156
T/o
Throwover
157
T or tie
Tie
158
TL
Tie line
159
TRFR
Transfer
160
TTR
Transformer turns ratio
161
Trans
Transformer
162
Tcm
Transmission construction maintenance
163
T& lo
Trip & lockout
164
Trbl
Trouble
165
T/off
Turn off
166
T/on
Turn on
167
Uf
Under frequency
168
Ufld
Under frequency load drop
169
Ug
Underground
170
U/m
Unit of measure
171
Ut
Untag
172
Vac
Vacuum
173
Vcb
Vacuum circuit breaker
174
VA
Voltampere
175
V
Volts
176
Wh
Watthour
177
W
Watts
178
Y
Wye - mapping suffix
