Common Acronyms

Hey guys,

Can y’all help put together a list of common acronyms used on this message board? A feature of the new InterNACHI message board will use that list to make the site a little easier to use. Just post the acronym and its meaning, such as:

SEO = Search Engine Optimization
FN = Fat Nick :smiley:

Thanks for the help!


NFW! WTF?:stuck_out_tongue:

CL = Cute Lisa
SC = Smart Chris

FDH = (refers to a frequently posting non-member. You figure it out.

TREC = Texas Real Estate Commission ASHI = American Society of Home Inspectors NAHI = National Association of Home Inspectors IMHO = in my humble opinion IAQ = Indoor Air Qualifty

FWIW=for what it’s worth

LOL or lol =laughing out loud

ROTFLMAO+rolling on the floor laughing my a$$ off

LCIAI(refers to recent argumentative poster. you can figure it out.:wink:

FDH = An anomaly that requires a contraceptive device to be worn in the place of a hat. :slight_smile:

This is another one of those lists that could get really long. Maybe you should consider categorizing them like this (although many can be used in several different categories).

Codes and Organizations

ICC = International Code Council
IRC = International Residential Code
IBC = International Building Code
UBC = Uniform Building Code
UPC = Uniform Plumbing Code
UMC = Uniform Mechanical Code
NEC = National Electrical Code
NFPA = National Fire Protection Association
UL = Underwriters Laboratory


AHJ = Authority Having Jurisdiction
AA = Administrative Authority


NM = Non Metallic
OCPD = Over Current Protection Device
AWG = American Wire Guage
CU = Copper
AL = Aluminum
EMT = Electrical Metallic Tubing
EGC = Equipment Grounding Conductor
GEC = Grounding Electrode Conductor


AAV = Air Admittance Valve
GPM = Gallons Per Minute
DFU = Drainage Fixture Unit
PB = Polybutylene
PE = Polyethylene
PEX = Cross-linked Polyethylene
PRV = Pressure Relief Valve
TPRV = Temperature Pressure Relief Valve
CSST = Corrugated Stainless Steel Tubing


CFM = Cubic Feet Per Minute
BTU = British Thermal Unit
FAU = Forced Air Unit

FWIW = For what it’s worth M2CW = My 2 cents worth, BTW = By the way, OMG = Oh my God!, SFB = $hit for Brains TEVIP = The entertainment value is priceless, CMI = Certified Mold Inspector

Certified Master Inspector.

Get it right, Ken.

**yw=your welcome:mrgreen: **

CMI = Certified Master Inspector
MICB = Master Inspector Certification Board
IAC2 = International Association of Certified Indoor Air Consultants
ADRS = Alternative Dispute Resolution Service
NAR = National Association of REALTORS
ComSop = InterNACHI’s Commercial Standards of Practice

I know Will, I was just seeing who would catch it.:wink:

IR = Infrared
WDO = Wood Destroying Organism

Where’s the Canadians?

WETT=Wood Energy Technology Transfer

Anymore Canada specific acronyms eh?

Electrical Metallic Tubing (EMT)
Electrical Nonmetallic Tubing (ENT)
Flexible Metal Conduit (FMC)
Intermediate Metal Conduit (IMC)
Liquidtight Flexible Nonmetallic Conduit (Type LFNC-B)
Liquidtight Flexible Nonmetallic Conduit (Type LFNC-A)
Liquidtight Flexible Metal Conduit (LFMC)
Rigid Metal Conduit (RMC)
Rigid PVC Conduit, Schedule 80
Rigid PVC Conduit, Schedule 40 and HDPE Conduit
Type A, Rigid PVC Conduit
Type EB, PVC Conduit
FPN Fine Print Note