TP-6200 10/12194 Appendix
K kelvin
kA kiloampere
KB kilobyte (210 bytes)
KBus Kohler communication protocol
kg kilogram
kg/cm2kilograms per square
centimeter
kgm kilogram-meter
kg/m3kilograms per cubic meter
kHz kilohertz
kJ kilojoule
km kilometer
kOhm, kΩkilo-ohm
kPa kilopascal
kph kilometersper hour
kV kilovolt
kVA kilovolt ampere
kVAR kilovolt ampere reactive
kW kilowatt
kWh kilowatt-hour
kWm kilowatt mechanical
kWth kilowatt-thermal
L liter
LAN localarea network
L x W x H length by width by height
lb. pound,pounds
lbm/ft3pounds mass per cubic feet
LCB linecircuit breaker
LCD liquidcrystal display
LED lightemitting diode
Lph liters per hour
Lpm litersper minute
LOP lowoil pressure
LP liquefied petroleum
LPG liquefiedpetroleum gas
LS left side
Lwa sound power level, A weighted
LWL lowwater level
LWT low water temperature
m meter, milli (1/1000)
M mega (106when used with SI
units), male
m3cubic meter
m3/hr. cubic meters per hour
m3/min. cubic meters per minute
mA milliampere
man. manual
max. maximum
MB megabyte(220 bytes)
MCCB molded-case circuit breaker
MCM onethousand circular mils
meggar megohmmeter
MHz megahertz
mi. mile
mil one one-thousandth of an inch
min. minimum, minute
misc. miscellaneous
MJ megajoule
mJ millijoule
mm millimeter
mOhm,m Ω
milliohm
MOhm, MΩmegohm
MOV metal oxide varistor
MPa megapascal
mpg milesper gallon
mph milesper hour
MS militarystandard
ms millisecond
m/sec. meters per second
mtg. mounting
MTU Motoren-und Turbinen-Union
MW megawatt
mW milliwatt
μF microfarad
N, norm. normal (power source)
NA not available, not applicable
nat. gas natural gas
NBS NationalBureau of Standards
NC normally closed
NEC National Electrical Code
NEMA National Electrical
Manufacturers Association
NFPA National Fire Protection
Association
Nm newtonmeter
NO normallyopen
no., nos. number, numbers
NPS NationalPipe, Straight
NPSC National Pipe,
Straight-coupling
NPT NationalStandard taper pipe
thread per general use
NPTF National Pipe, Taper-Fine
NR not required, normal relay
ns nanosecond
OC overcrank
OD outsidediameter
OEM original equipment
manufacturer
OF overfrequency
opt. option, optional
OS oversize, overspeed
OSHA Occupational Safety and
Health Administration
OV overvoltage
oz. ounce
p., pp. page, pages
PC personal computer
PCB printedcircuit board
pF picofarad
PF power factor
ph., ∅phase
PHC Phillipsrhead Crimptiter
(screw)
PHH Phillipsrhex head (screw)
PHM pan head machine (screw)
PLC programmablelogic control
PMG permanent magnet generator
pot potentiometer, potential
ppm partsper million
PROM programmableread-only
memory
psi pounds per square inch
psig pounds per square inch gauge
pt. pint
PTC positivetemperature coefficient
PTO powertakeoff
PVC polyvinylchloride
qt. quart,quarts
qty. quantity
R replacement(emergency)
power source
rad. radiator, radius
RAM random access memory
RDO relay driver output
ref. reference
rem. remote
Res/Coml Residential/Commercial
RFI radiofrequency interference
RH round head
RHM round head machine (screw)
rly. relay
rms root mean square
rnd. round
RO readonly
ROM read only memory
rot. rotate, rotating
rpm revolutions per minute
RS right side
RTDs Resistance Temperature
Detectors
RTU remoteterminal unit
RTV roomtemperature
vulcanization
RW read/write
SAE Societyof Automotive
Engineers
scfm standard cubic feet per minute
SCR silicon controlled rectifier
s, sec. second
SI Systeme international d’unites,
International System of Units
SI/EO sidein/end out
sil. silencer
SMTP simple mail transfer protocol
SN serial number
SNMP simple network management
protocol
SPDT single-pole, double-throw
SPST single-pole, single-throw
spec specification
specs specification(s)
sq. square
sq. cm square centimeter
sq. in. squareinch
SMS short message service
SS stainless steel
std. standard
stl. steel
tach. tachometer
TB terminal block
TCP transmissioncontrol protocol
TD time delay
TDC topdead center
TDEC time delay engine cooldown
TDEN time delay emergency to
normal
TDES time delay engine start
TDNE time delay normal to
emergency
TDOE time delay off to emergency
TDON time delay off to normal
temp. temperature
term. terminal
THD totalharmonic distortion
TIF telephoneinfluence factor
tol. tolerance
turbo. turbocharger
typ. typical (same in multiple
locations)
UF underfrequency
UHF ultrahighfrequency
UIF userinterface
UL Underwriter’s Laboratories, Inc.
UNC unifiedcoarse thread (was NC)
UNF unifiedfine thread (was NF)
univ. universal
URL uniformresource locator
(web address)
US undersize, underspeed
UV ultraviolet, undervoltage
V volt
VAC voltsalternating current
VAR voltamperereactive
VDC volts direct current
VFD vacuumfluorescent display
VGA video graphics adapter
VHF veryhigh frequency
W watt
WCR withstand and closing rating
w/ with
WO write only
w/o without
wt. weight
xfmr transformer