NIHST
Hazardous-Location Technician · HL-PM

Booth & Exhaust Preventive Maintenance

Course overview

Booth & Exhaust Preventive Maintenance is a course in NIHST WORX Academy's Hazardous-Location Technician. It covers keeping airflow honest across 1 modules and 2 lessons, and counts toward the Tier 2 hazardous-location finishing credential.

Course outline

01

Keeping Airflow Honest

  • Filters, Pressure Drop, and the LEL Margin

    Exhaust and intake filters load with overspray over time, and as they load, airflow falls and pressure drop rises. The booth's airflow proving switch watches that pressure drop, but a clogged filter can fool a poorly set system into reading...

  • Fan, Belt, and Damper Inspection

    The exhaust fan is the heart of the life-safety system. A slipping belt, a fouled wheel, or a stuck damper quietly reduces airflow without throwing an obvious fault. PM includes checking belt tension and condition, confirming the impeller i...

Enrolled students read the full lessons, track per-lesson progress, and complete this course toward their credential.

Enroll in the Hazardous-Location Technician
BK
Reviewed by Benjamin Kurtz
NIHST Technical Authority

Questions

What does Booth & Exhaust Preventive Maintenance cover?+

Booth & Exhaust Preventive Maintenance is a course in NIHST WORX Academy's Hazardous-Location Technician. It covers keeping airflow honest across 1 modules and 2 lessons, and counts toward the Tier 2 hazardous-location finishing credential.

How is this course structured?+

1 modules and 2 lessons of online instruction, authored against the NIHST competency standard and reinforced by hands-on lab work and supervised on-the-job hours.

What does it count toward?+

Completing every lesson in this course satisfies part of the coursework requirement for the Tier 2 credential. Coursework, a proctored exam, and signed OJT hours together gate the credential.

Related

All programs
How the courses ladder into tiers.
The competency standard
What this course is built against.
Tier 2 credential
What completing this counts toward.