TP-6126 8/02 A-57Appendix
Appendix A 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 analog to 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 before dead 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 British thermal unit
Btu/min. British thermal units per minute
C Celsius, c entigrade
cal. calorie
CARB California Air Resources Board
CB circuit breaker
cc cubic centimeter
CCA cold cranking amps
ccw. counterclockwise
CEC Canadian Electrical Code
cfh cubic feet per hour
cfm cubic feet per minute
CG center of gravity
CID cubic inch displacement
CL centerline
cm centimeter
CMOS complementary metal 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 digital to analog converter
dB decibel
dBA decibel (A weighted)
DC direct current
DCR direct current 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 digital voltage 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 emergency stop
etc. et cetera (and so forth)
exh. exhaust
ext. external
F Fahrenheit, female
fglass. fiberglass
FHM flat head machine (screw)
fl. oz. fluid ounce
flex. flexible
freq. frequency
FS full scale
ft. foot, feet
ft. lbs. foot pounds (torque)
ft./min. feet per minute
ggram
ga. gauge (meters, wire size)
gal. gallon
gen. generator
genset generator set
GFI ground fault interrupter
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