Appendix B
Appendix B
R.S. Means Abbreviations
This chapter provides a list of the abbreviations used in the R.S. Means databases viewed
in the Assemblies and Unit Prices resource windows.
BSD CostLink/AE User Manual
129
Appendix B : R.S. Means Abbreviations
130
BSD CostLink/AE User Manual
Abbreviations
A
AAFES
ABS
A.C., AC
ACI
ACR
ADA
AD
Addit.
Adj.
af
AFUE
AGA
Agg.
A.H., Ah
A hr.
A.H.U., AHU
A.I.A.
AIC
Allow.
alt., alt
Alum.
a.m.
Amp.
Anod.
ANSI
APA
Approx.
Apt.
Asb.
A.S.B.C.
Asbe.
ASCE.
A.S.H.R.A.E.
ASME
ASTM
Attchmt.
Avg., Ave.
AWG
AWWA
Bbl.
B&B, BB
B&S
B.&W.
b.c.c.
B.C.Y.
BE
B.F.
Bg. cem.
BHP
B.I.
bidir.
Bit., Bitum.
Bit., Conc.
Bk.
Bkrs.
Bldg., bldg
Blk.
Bm.
Boil.
bpm
BR
Brg.
Brhe.
Bric.
Area Square Feet; Ampere
Army and Air Force Exchange
Service
Acrylonitrile Butadiene Stryrene;
Asbestos Bonded Steel
Alternating Current;
Air-Conditioning;
Asbestos Cement;
Plywood Grade A & C
American Concrete Institute
Air Conditioning Refrigeration
Americans with Disabilities Act
Plywood, Grade A & D
Additional
Adjustable
Audio-frequency
Annual Fuel Utilization Efficiency
American Gas Association
Aggregate
Ampere Hours
Ampere-hour
Air Handling Unit
American Institute of Architects
Ampere Interrupting Capacity
Allowance
Alternate
Aluminum
Ante Meridiem
Ampere
Anodized
American National Standards
Institute
American Plywood Association
Approximate
Apartment
Asbestos
American Standard Building Code
Asbestos Worker
American Society of Civil Engineers
American Society of Heating,
Refrig. & AC Engineers
American Society of Mechanical
Engineers
American Society for Testing and
Materials
Attachment
Average
American Wire Gauge
American Water Works Assoc.
Barrel
Grade B and Better;
Balled & Burlapped
Bell and Spigot
Black and White
Body-centered Cubic
Bank Cubic Yards
Bevel End
Board Feet
Bag of Cement
Boiler Horsepower;
Brake Horsepower
Black Iron
bidirectional
Bituminous
Bituminous Concrete
Backed
Breakers
Building
Block
Beam
Boilermaker
Blows per Minute
Bedroom
Bearing
Bricklayer Helper
Bricklayer
Brk., brk
brkt
Brng.
Brs.
Brz.
Bsn.
Btr.
Btu
BTUH
Bu.
BUR
BX
°C
c
C
C/C
C-C
Cab
Cair.
Cal.
Calc
Cap.
Carp.
C.B.
C.C.A.
C.C.F.
cd
cd/sf
CD
CDX
Cefi.
Cem.
CF
C.F.
CFM
CFRP
c.g.
CHW
C.I., CI
C.I.P., CIP
Circ.
C.L.
CL
Clab.
Clam
C.L.F.
CLF
CLP
cm
CMP
CMU
CN
Col.
CO2
Comb.
comm.
Compr.
Conc.
Cont., cont
Corr.
Cos
Cot
Cov.
C/P
CPA
Cplg.
CPM
CPVC
C.Pr.
CRC
Creos.
Crpt.
CRT
CS
Brick
Bracket
Bearing
Brass
Bronze
Basin
Better
British Thermal Unit
BTU per Hour
bushels
Built-up Roofing
Interlocked Armored Cable
degree centegrade
Conductivity, Copper Sweat
Hundred; Centigrade
Center to Center, Cedar on Cedar
Center to Center
Cabinet
Air Tool Laborer
caliper
Calculated
Capacity
Carpenter
Circuit Breaker
Chromate Copper Arsenate
Hundred Cubic Feet
Candela
Candela per Square Foot
Grade of Plywood Face & Back
Plywood, Grade C & D, exterior
glue
Cement Finisher
Cement
Hundred Feet
Cubic Feet
Cubic Feet per Minute
Carbon Fiber Reinforced Plastic
Center of Gravity
Chilled Water;
Commercial Hot Water
Cast Iron
Cast in Place
Circuit
Carload Lot
Chain Link
Common Laborer
Common maintenance laborer
Hundred Linear Feet
Current Limiting Fuse
Cross Linked Polyethylene
Centimeter
Corr. Metal Pipe
Concrete Masonry Unit
Change Notice
Column
Carbon Dioxide
Combination
Commercial, Communication
Compressor
Concrete
Continuous; Continued, Container
Corrugated
Cosine
Cotangent
Cover
Cedar on Paneling
Control Point Adjustment
Coupling
Critical Path Method
Chlorinated Polyvinyl Chloride
Hundred Pair
Cold Rolled Channel
Creosote
Carpet & Linoleum Layer
Cathode-ray Tube
Carbon Steel, Constant
Shear Bar Joist
Csc
C.S.F.
CSI
CT
CTS
Cu
Cu. Ft.
cw
C.W.
Cwt.
C.W.X.
C.Y.
C.Y./Hr.
Cyl.
d
D
Dis., Disch.
Db
Dbl.
DC
DDC
Demob.
d.f.t.
d.f.u.
D.H.
DHW
DI
Diag.
Diam., Dia
Distrib.
Div.
Dk.
D.L.
DLH
dlx
Do.
DOP
Dp., dp
D.P.S.T.
Dr.
DR
Drink.
D.S.
D.S.A.
D.S.B.
Dty.
DWV
DX
dyn
e
E
Ea.
EB
Econ.
E.C.Y
EDP
EIFS
E.D.R.
Eq.
EL
Elec.
Elev.
EMT
Eng.
EPDM
EPS
Eqhv.
Eqlt.
Eqmd.
Eqmm.
Eqol.
Equip.
ERW
Cosecant
Hundred Square Feet
Construction Specifications
Institute
Current Transformer
Copper Tube Size
Copper, Cubic
Cubic Foot
Continuous Wave
Cool White; Cold Water
100 Pounds
Cool White Deluxe
Cubic Yard (27 cubic feet)
Cubic Yard per Hour
Cylinder
Penny (nail size)
Deep; Depth; Discharge
Discharge
Decibel
Double
Direct Current
Direct Digital Control
Demobilization
Dry Film Thickness
Drainage Fixture Units
Double Hung
Domestic Hot Water
Ductile Iron
Diagonal
Diameter
Distribution
Division
Deck
Dead Load; Diesel
Deep Long Span Bar Joist
Deluxe
Ditto
Dioctyl Phthalate Penetration Test
(Air Filters)
Depth
Double Pole, Single Throw
Drive
Dimension Ratio
Drinking
Double Strength
Double Strength A Grade
Double Strength B Grade
Duty
Drain Waste Vent
Deluxe White, Direct Expansion
Dyne
Eccentricity
Equipment Only; East; emissivity
Each
Encased Burial
Economy
Embankment Cubic Yards
Electronic Data Processing
Exterior Insulation Finish System
Equiv. Direct Radiation
Equation
elevation
Electrician; Electrical
Elevator; Elevating
Electrical Metallic Conduit;
Thin Wall Conduit
Engine, Engineered
Ethylene Propylene Diene
Monomer
Expanded Polystyrene
Equip. Oper., Heavy
Equip. Oper., Light
Equip. Oper., Medium
Equip. Oper., Master Mechanic
Equip. Oper., Oilers
Equipment
Electric Resistance Welded
871
Abbreviations
E.S.
Est.
esu
E.W.
EWT
Excav.
excl
Exp., exp
Ext., ext
Extru.
f.
F
Fab., fab
FBGS
F.C.
f.c.c.
f′c.
F.E.
FEP
F.G.
F.H.A.
Fig.
Fin.
FIPS
Fixt.
FJP
Fl. Oz.
Flr.
FM
Fmg.
FM/UL
Fdn.
FNPT
Fori.
Foro.
Fount.
fpm
FPT
Fr
F.R.
FRK
FSK
FRP
FS
FSC
Ft., ft
Ftng.
Ftg.
Ft lb.
Furn.
FVNR
FVR
FXM
Fy.
g
G
Ga.
Gal., gal.
gpm, GPM
Galv., galv
GC/MS
Gen.
GFI
GFRC
Glaz.
GPD
gpf
GPH
GPM
GR
Gran.
Grnd.
GVW
GWB
872
Energy Saver
Estimated
Electrostatic Units
Each Way
Entering Water Temperature
Excavation
Excluding
Expansion, Exposure
Exterior; Extension
Extrusion
Fiber stress
Fahrenheit; Female; Fill
Fabricated; fabric
Fiberglass
Footcandles
Face-centered Cubic
Compressive Stress in Concrete;
Extreme Compressive Stress
Front End
Fluorinated Ethylene Propylene
(Teflon)
Flat Grain
Federal Housing Administration
Figure
Finished
Female Iron Pipe Size
Fixture
Finger jointed and primed
Fluid Ounces
Floor
Frequency Modulation;
Factory Mutual
Framing
Factory Mutual/Underwriters Labs
Foundation
Female National Pipe Thread
Foreman, Inside
Foreman, Outside
Fountain
Feet per Minute
Female Pipe Thread
Frame
Fire Rating
Foil Reinforced Kraft
Foil/scrim/kraft
Fiberglass Reinforced Plastic
Forged Steel
Cast Body; Cast Switch Box
Foot; Feet
Fitting
Footing
Foot Pound
Furniture
Full Voltage Non-Reversing
Full Voltage Reversing
Female by Male
Minimum Yield Stress of Steel
Gram
Gauss
Gauge
Gallon
Gallon per Minute
Galvanized
Gas Chromatograph/Mass
Spectrometer
General
Ground Fault Interrupter
Glass Fiber Reinforced Concrete
Glazier
Gallons per Day
Gallon per flush
Gallons per Hour
Gallons per Minute
Grade
Granular
Ground
Gross Vehicle Weight
Gypsum wall board
H
HC
H.D., HD
H.D.O.
HDPE
Hdr.
Hdwe.
H.I.D., HID
Help.
HEPA
Hg
HIC
HM
HMWPE
HO
Horiz.
H.P., HP
H.P.F.
Hr.
Hrs./Day
HSC
Ht.
Htg.
Htrs.
HVAC
Hvy.
HW
Hyd.; Hydr.
Hz
I.
IBC
I.C.
ID
I.D.
I.F.
I.M.C.
In.
Incan.
Incl.
Int.
Inst.
Insul., insul
I.P.
I.P.S., IPS
IPT
I.W.
J
J.I.C.
K
K.A.H.
kcmil
KD
K.D.A.T.
kg
kG
kgf
kHz
Kip
KJ
K.L.
K.L.F.
Km
KO
K.S.F.
K.S.I.
kV
kVA
kVAR
KW
KWh
L
Lab.
lat
High Henry
High Capacity
Heavy Duty; High Density
High Density Overlaid
High density polyethelene plastic
Header
Hardware
High Intensity Discharge
Helper Average
High Efficiency Particulate Air
Filter
Mercury
High Interrupting Capacity
Hollow Metal
high molecular weight
polyethylene
High Output
Horizontal
Horsepower; High Pressure
High Power Factor
Hour
Hours per Day
High Short Circuit
Height
Heating
Heaters
Heating, Ventilation & AirConditioning
Heavy
Hot Water
Hydraulic
Hertz (cycles)
Moment of Inertia
International Building Code
Interrupting Capacity
Inside Diameter
Inside Dimension; Identification
Inside Frosted
Intermediate Metal Conduit
Inch
Incandescent
Included; Including
Interior
Installation
Insulation/Insulated
Iron Pipe
Iron Pipe Size
Iron Pipe Threaded
Indirect Waste
Joule
Joint Industrial Council
Thousand;Thousand Pounds;
Heavy Wall Copper Tubing, Kelvin
Thousand Amp. Hours
Thousand Circular Mils
Knock Down
Kiln Dried After Treatment
Kilogram
Kilogauss
Kilogram Force
Kilohertz
1000 Pounds
Kiljoule
Effective Length Factor
Kips per Linear Foot
Kilometer
Knock Out
Kips per Square Foot
Kips per Square Inch
Kilovolt
Kilovolt Ampere
Kilovar (Reactance)
Kilowatt
Kilowatt-hour
Labor Only; Length; Long;
Medium Wall Copper Tubing
Labor
Latitude
Lath.
Lav.
lb.; #
L.B., LB
L. & E.
lb./hr.
lb./L.F.
lbf/sq.in.
L.C.L.
L.C.Y.
Ld.
LE
LED
L.F.
L.F. Nose
L.F. Rsr
Lg.
L&H
LH
L.H.
L.L., LL
L.L.D.
lm
lm/sf
lm/W
LOA
log
L-O-L
long.
L.P., LP
L.P.F.
LR
L.S.
Lt.
Lt. Ga.
L.T.L.
Lt. Wt.
L.V.
M
M2CA
m/hr.; M.H.
mA
Mach.
Mag. Str.
Maint.
Marb.
Mat; Mat’l.
Max.
MBF
MBH
MC
MCC
M.C.F.
MCFM
M.C.M.
MCP
MD
MDF
M.D.O.
Med.
MF
M.F.B.M.
Mfg.
Mfrs.
mg
MGD
MGPH
MH, M.H.
MHz
Mi.
MI
MIPS
mj
m
mm
Mill.
Min., min.
Lather
Lavatory
Pound
Load Bearing; L Conduit Body
Labor & Equipment
Pounds per Hour
Pounds per Linear Foot
Pound-force per Square Inch
Less than Carload Lot
Loose Cubic Yard
Load
Lead Equivalent
Light Emitting Diode
Linear Foot
Linear Foot of Stair Nosing
Linear Foot of Stair Riser
Long; Length; Large
Light and Heat
Long Span Bar Joist
Labor Hours
Live Load
Lamp Lumen Depreciation
Lumen
Lumen per Square Foot
Lumen per Watt
Length Over All
Logarithm
Lateralolet
longitude
Liquefied Petroleum; Low Pressure
Low Power Factor
Long Radius
Lump Sum
Light
Light Gauge
Less than Truckload Lot
Lightweight
Low Voltage
Thousand; Material; Male;
Light Wall Copper Tubing
Meters Squared Contact Area
Man-hour
Milliampere
Machine
Magnetic Starter
Maintenance
Marble Setter
Material
Maximum
Thousand Board Feet
Thousand BTU’s per hr.
Metal Clad Cable
Motor Control Center
Thousand Cubic Feet
Thousand Cubic Feet per Minute
Thousand Circular Mils
Motor Circuit Protector
Medium Duty
Medium-density fibreboard
Medium Density Overlaid
Medium
Thousand Feet
Thousand Feet Board Measure
Manufacturing
Manufacturers
Milligram
Million Gallons per Day
Thousand Gallons per Hour
Manhole; Metal Halide; Man-Hour
Megahertz
Mile
Malleable Iron; Mineral Insulated
Male Iron Pipe Size
Mechanical Joint
Meter
Millimeter
Millwright
Minimum, minute
Abbreviations
Misc.
ml
M.L.F.
Mo.
Mobil.
Mog.
MPH
MPT
MRGWB
Miscellaneous
Milliliter, Mainline
Thousand Linear Feet
Month
Mobilization
Mogul Base
Miles per Hour
Male Pipe Thread
Moisture Resistant Gypsum
Wallboard
MRT
Mile Round Trip
ms
Millisecond
M.S.F.
Thousand Square Feet
Mstz.
Mosaic & Terrazzo Worker
M.S.Y.
Thousand Square Yards
Mtd., mtd., mtd Mounted
Mthe.
Mosaic & Terrazzo Helper
Mtng.
Mounting
Mult.
Multi; Multiply
M.V.A.
Million Volt Amperes
M.V.A.R.
Million Volt Amperes Reactance
MV
Megavolt
MW
Megawatt
MXM
Male by Male
MYD
Thousand Yards
N
Natural; North
nA
Nanoampere
NA
Not Available; Not Applicable
N.B.C.
National Building Code
NC
Normally Closed
NEMA
National Electrical Manufacturers
Assoc.
NEHB
Bolted Circuit Breaker to 600V.
NFPA
National Fire ProtectionAssociation
NLB
Non-Load-Bearing
NM
Non-Metallic Cable
nm
Nanometer
No.
Number
NO
Normally Open
N.O.C.
Not Otherwise Classified
Nose.
Nosing
NPT
National Pipe Thread
NQOD
Combination Plug-on/Bolt on
Circuit Breaker to 240V.
N.R.C., NRC
Noise Reduction Coefficient/
Nuclear Regulator Commission
N.R.S.
Non Rising Stem
ns
Nanosecond
nW
Nanowatt
OB
Opposing Blade
OC
On Center
OD
Outside Diameter
O.D.
Outside Dimension
ODS
Overhead Distribution System
O.G.
Ogee
O.H.
Overhead
O&P
Overhead and Profit
Oper.
Operator
Opng.
Opening
Orna.
Ornamental
OSB
Oriented Strand Board
OS&Y
Outside Screw and Yoke
OSHA
Occupational Safety and Health
Act
Ovhd.
Overhead
OWG
Oil,Water or Gas
Oz.
Ounce
P.
Pole;Applied Load; Projection
p.
Page
Pape.
Paperhanger
P.A.P.R.
Powered Air Purifying Respirator
PAR
Parabolic Reflector
P.B., PB
Push Button
Pc., Pcs.
Piece, Pieces
P.C.
Portland Cement;Power Connector
P.C.F.
Pounds per Cubic Foot
PCM
Phase Contrast Microscopy
PDCA
P.E., PE
P.E.C.I.
Perf.
PEX
Ph.
P.I.
Pile.
Pkg.
Pl.
Plah.
Plas.
plf
Pluh.
Plum.
Ply.
p.m.
Pntd.
Pord.
pp
PP, PPL
P.P.M.
Pr.
P.E.S.B.
Prefab.
Prefin.
Prop.
PSF, psf
PSI, psi
PSIG
PSP
Pspr.
Psst.
P.T.
P. & T.
Ptd.
Ptns.
Pu
PVC
Pvmt.
PRV
Pwr.
Q
Qt.
Quan., Qty.
Q.C.
r
R
R.C.P.
Rect.
recpt.
Reg.
Reinf.
Req’d.
Res.
Resi.
RF
RFID
Rgh.
RGS
RHW
rms
Rnd.
Rodm.
Rofc.
Rofp.
Rohe.
Rots.
R.O.W.
RPM
R.S.
Rsr
RT
S.
SBS
Painting and Decorating
Contractors of America
Professional Engineer;
Porcelain Enamel;
Polyethylene; Plain End
Porcelain Enamel on Cast Iron
Perforated
Cross linked polyethylene
Phase
Pressure Injected
Pile Driver
Package
Plate
Plasterer Helper
Plasterer
Pounds Per Linear Foot
Plumbers Helper
Plumber
Plywood
Post Meridiem
Painted
Painter, Ordinary
Pages
Polypropylene
Parts per Million
Pair
Pre-engineered Steel Building
Prefabricated
Prefinished
Propelled
Pounds per Square Foot
Pounds per Square Inch
Pounds per Square Inch Gauge
Plastic Sewer Pipe
Painter, Spray
Painter, Structural Steel
Potential Transformer
Pressure & Temperature
Painted
Partitions
Ultimate Load
Polyvinyl Chloride
Pavement
Pressure Relief Valve
Power
Quantity Heat Flow
Quart
Quantity
Quick Coupling
Radius of Gyration
Resistance
Reinforced Concrete Pipe
Rectangle
receptacle
Regular
Reinforced
Required
Resistant
Residential
Radio Frequency
Radio-frequency identification
Rough
Rigid Galvanized Steel
Rubber, Heat & Water Resistant;
Residential Hot Water
Root Mean Square
Round
Rodman
Roofer, Composition
Roofer, Precast
Roofer Helpers (Composition)
Roofer,Tile & Slate
Right of Way
Revolutions per Minute
Rapid Start
Riser
Round Trip
Suction; Single Entrance; South
Styrene Butadiere Styrene
SC
SCFM
Scaf.
Sch., Sched.
S.C.R.
S.D.
SDR
S.E.
Sel.
SER, SEU
S.F.
S.F.C.A.
S.F. Flr.
S.F.G.
S.F. Hor.
SFR
S.F. Shlf.
S4S
Shee.
Sin.
Skwk.
SL
S.L.
Sldr.
SLH
S.N.
SO
S-O-L
sp
S.P.
Spri.
spwg
S.P.D.T.
SPF
S.P.S.T.
SPT
Sq.
Sq. Hd.
Sq. In.
S.S.
S.S.B.
sst, ss
Sswk.
Sswl.
St.; Stl.
STC
Std.
Stg.
STK
STP
Stpi.
Str.
Strd.
Struct.
Sty.
Subj.
Subs.
Surf.
Sw.
Swbd.
S.Y.
Syn.
S.Y.P.
Sys.
t.
T
Tan
T.C.
T&C
T.D.
Tdd
T.E.M.
temp
TFFN
Screw Cover
Standard Cubic Feet per Minute
Scaffold
Schedule
Modular Brick
Sound Deadening
Standard Dimension Ratio
Surfaced Edge
Select
Service Entrance Cable
Square Foot
Square Foot Contact Area
Square Foot of Floor
Square Foot of Ground
Square Foot Horizontal
Square Feet of Radiation
Square Foot of Shelf
Surface 4 Sides
Sheet Metal Worker
Sine
Skilled Worker
Saran Lined
Slimline
Solder
Super Long Span Bar Joist
Solid Neutral
Stranded with oil resistant inside
insulation
Socketolet
Standpipe
Static Pressure; Single Pole; SelfPropelled
Sprinkler Installer
Static Pressure Water Gauge
Single Pole, Double Throw
Spruce Pine Fir; Sprayed
Polyurethane Foam
Single Pole, Single Throw
Standard Pipe Thread
Square; 100 Square Feet
Square Head
Square Inch
Single Strength; Stainless Steel
Single Strength B Grade
Stainless Steel
Structural Steel Worker
Structural Steel Welder
Steel
Sound Transmission Coefficient
Standard
Staging
Select Tight Knot
Standard Temperature & Pressure
Steamfitter, Pipefitter
Strength; Starter; Straight
Stranded
Structural
Story
Subject
Subcontractors
Surface
Switch
Switchboard
Square Yard
Synthetic
Southern Yellow Pine
System
Thickness
Temperature;Ton
Tangent
Terra Cotta
Threaded and Coupled
Temperature Difference
Telecommunications Device for
the Deaf
Transmission Electron Microscopy
Temperature,Tempered,Temporary
Nylon Jacketed Wire
873
Abbreviations
TFE
T. & G.
Th.,Thk.
Thn.
Thrded
Tilf.
Tilh.
THHN
THW.
THWN
T.L.,TL
T.M.
Tot.
T-O-L
tmpd
TPO
T.S.
Tr.
Transf.
Trhv.
Trlr
Trlt.
TTY
TV
T.W.
UCI
UF
UGND
UHF
U.I.
874
Tetrafluoroethylene (Teflon)
Tongue & Groove;
Tar & Gravel
Thick
Thin
Threaded
Tile Layer, Floor
Tile Layer, Helper
Nylon Jacketed Wire
Insulated Strand Wire
Nylon Jacketed Wire
Truckload
Track Mounted
Total
Threadolet
Tempered
Thermoplastic Polyolefin
Trigger Start
Trade
Transformer
Truck Driver, Heavy
Trailer
Truck Driver, Light
Teletypewriter
Television
Thermoplastic Water Resistant
Wire
Uniform Construction Index
Underground Feeder
Underground Feeder
Ultra High Frequency
United Inch
U.L., UL
Uld.
Unfin.
UPS
URD
US
USGBC
USP
UTMCD
UTP
V
VA
V.C.T.
VAV
VC
VDC
Vent.
Vert.
V.F.
V.G.
VHF
VHO
Vib.
VLF
VOC
Vol.
VRP
W
Underwriters Laboratory
unloading
Unfinished
Uninterruptible Power Supply
Underground Residential
Distribution
United States
U.S. Green Building Council
United States Primed
Uniform Traffic Manual For Control
Devices
Unshielded Twisted Pair
Volt
Volt Amperes
Vinyl Composition Tile
Variable Air Volume
Veneer Core
Volts Direct Current
Ventilation
Vertical
Vinyl Faced
Vertical Grain
Very High Frequency
Very High Output
Vibrating
Vertical Linear Foot
Volitile Organic Compound
Volume
Vinyl Reinforced Polyester
Wire;Watt;Wide;West
w/
W.C.,WC
W.F.
W.G.
Wldg.
W. Mile
W-O-L
W.R.
Wrck.
W.S.P.
WT.,Wt.
WWF
XFER
XFMR
XHD
XHHW,
XLPE
XLP
Xport
Y
yd
yr
Δ
%
∼
∅
@
#
<
>
Z
With
Water Column;Water Closet
Wide Flange
Water Gauge
Welding
Wire Mile
Weldolet
Water Resistant
Wrecker
Water, Steam, Petroleum
Weight
Welded Wire Fabric
Transfer
Transformer
Extra Heavy Duty
Cross-Linked Polyethylene Wire
Insulation
Cross-linked Polyethylene
Transport
Wye
Yard
Year
Delta
Percent
Approximately
Phase; diameter
At
Pound; Number
Less Than
Greater Than
zone