TP-6069 6/03A-2 Appendix
Appendix B Abbreviations

The following list contains abbreviations that may appear in this publication.

A, amp ampere
ABDC after bottom dead center
AC alternating current
A/D analog to digital
ADC analogto digital converter
adj. adjust, adjustment
ADV advertising dimensional
drawing
AHWT anticipatory high water
temperature
AISI American Iron and Steel
Institute
ALOP anticipatory low oil pressure
alt. alternator
Al aluminum
ANSI American National Standards
Institute
(formerly American Standards
Association, ASA)
AO anticipatory only
API American Petroleum Institute
approx. approximate, approximately
AR as required, as requested
AS as supplied, as stated, as
suggested
ASE American Society of Engineers
ASME American Society of
Mechanical Engineers
assy. assembly
ASTM American Society for Testing
Materials
ATDC after top dead center
ATS automatic transfer switch
auto. automatic
aux. auxiliary
A/V audiovisual
avg. average
AVR automatic voltage regulator
AWG American Wire Gauge
AWM appliance wiring material
bat. battery
BBDC before bottom dead center
BC battery charger, battery
charging
BCA battery charging alternator
BCI Battery Council International
BDC beforedead center
BHP brake horsepower
blk. black (paint color), block
(engine)
blk. htr. block heater
BMEP brake mean effective pressure
bps bits per second
br. brass
BTDC before top dead center
Btu Britishthermal unit
Btu/min. British thermal units per minute
C Celsius,centigrade
cal. calorie
CARB California Air Resources Board
CB circuit breaker
cc cubiccentimeter
CCA coldcranking amps
ccw. counterclockwise
CEC CanadianElectrical Code
cfh cubic feet per hour
cfm cubic feet per minute
CG centerof gravity
CID cubic inch displacement
CL centerline
cm centimeter
CMOS complementarymetal oxide
substrate (semiconductor)
cogen. cogeneration
Com communications(port)
conn. connection
cont. continued
CPVC chlorinated polyvinyl chloride
crit. critical
CRT cathode ray tube
CSA Canadian Standards
Association
CT current transformer
Cu copper
cu. in. cubic inch
cw. clockwise
CWC city water-cooled
cyl. cylinder
D/A digital to analog
DAC digitalto analog converter
dB decibel
dBA decibel (A weighted)
DC direct current
DCR directcurrent resistance
deg., °degree
dept. department
dia. diameter
DI/EO dual inlet/end outlet
DIN Deutsches Institut fur Normung
e. V.
(also Deutsche Industrie
Normenausschuss)
DIP dual inline package
DPDT double-pole, double-throw
DPST double-pole, single-throw
DS disconnect switch
DVR digitalvoltage regulator
E, emer. emergency(power source)
EDI electronic data interchange
EFR emergency frequency relay
e.g. for example (exempli gratia)
EG electronic governor
EGSA Electrical Generating Systems
Association
EIA Electronic Industries
Association
EI/EO end inlet/end outlet
EMI electromagnetic interference
emiss. emission
eng. engine
EPA Environmental Protection
Agency
EPS emergency power system
ER emergency relay
ES engineering special,
engineered special
ESD electrostatic discharge
est. estimated
E-Stop emergencystop
etc. et cetera (and so forth)
exh. exhaust
ext. external
F Fahrenheit, female
fglass. fiberglass
FHM flathead machine (screw)
fl. oz. fluid ounce
flex. flexible
freq. frequency
FS full scale
ft. foot, feet
ft. lbs. foot pounds (torque)
ft./min. feetper minute
ggram
ga. gauge (meters, wire size)
gal. gallon
gen. generator
genset generatorset
GFI ground fault interrupter
GND, ground
gov. governor
gph gallons per hour
gpm gallons per minute
gr. grade,gross
GRD equipment ground
gr.wt. gross weight
H x W x D height by width by depth
HC hex cap
HCHT high cylinder head temperature
HD heavy duty
HET high exhaust temperature
hex hexagon
Hg mercury (element)
HH hex head
HHC hexhead cap
HP horsepower
hr. hour
HS heat shrink
hsg. housing
HVAC heating, ventilation, and air
conditioning
HWT high water temperature
Hz hertz (cycles per second)
IC integrated circuit
ID inside diameter,identification
IEC International Electrotechnical
Commission
IEEE Institute of Electrical and
Electronics Engineers
IMS improved motor starting
in. inch
in. H2O inches of water
in. Hg inches of mercury
in. lbs. inch pounds
Inc. incorporated
ind. industrial
int. internal
int./ext. internal/external
I/O input/output
IP iron pipe
ISO International Organization for
Standardization
J joule
JIS Japanese Industry Standard
k kilo (1000)
K kelvin
kA kiloampere
KB kilobyte (210 bytes)