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Welcome to the NITC Online testing site. For a full list of the certifications and licenses available from NITC, please visit our main web site:

If you already have your TesTrac ID and PIN scroll to the bottom of the page and click on Sign in.

NOTE for PSI Proctors: The exams listed below require that the candidate has a printout of the formulas needed to answer many of the questions. By clicking on the exam names below, you will be able to access and print the appropriate pages.

Formula sheets:

Pipefitter/Steamfitter Certification Examination #F-106
Pipefitter/Steamfitter Certification Examination #F-107
Pipefitter/Steamfitter Certification Examination #F-108
HVACR Equations
HVACR Temperature Pressure Chart

An NITC Candidate might request the ability to challenge an item on a test. The form is provided in PDF file.
NITC Question Challenge Form #850-04

Attention PSI Proctors: If you are having difficulties connecting to TesTrac via the PSI internal system, might I recommend going directly to the test site:

Loading the TesTrac application, this will only take a moment or two. We appreciate your patience.