Certified Senior Lighting Technician™ (CSLT™)

Apply for CSLT 

NALMCO provides the Certified Senior Lighting Technician™ (CSLT™) certification, a home study program designed for experienced technicians. The CSLT covers principles of basic lighting and lighting management operations. Enrolling in the CSLT program includes receiving the electronic training manual, "Illuminations”, access to the CSLT computer-based exam, and a three-year certification certificate. Upon enrollment, participants must take the exam within 90 days.    The CALT certification is required before obtaining the CSLT designation. 

The CSLT exam covers:

  • Lighting Fundamentals
  • Planned Lighting Maintenance
  • Luminaires
  • Emergency Lighting
  • Energy Management/Lighting Controls
  • Safety and Code
  • Troubleshooting

Preparing for the Exam

The CSLT certification is designed for self-study. Certain companies provide the option of group sessions where lectures are complemented by readings and discussions. Alternatively, technicians might independently study the training manual and then convene in person to review and ready themselves for the exam. Others may choose to study and prepare entirely independently. It's advisable to inquire with your company about available training programs.

Enrolling for the Exam

Purchase the Certified Senior Lighting Technician™ (CSLT™) program by clicking "Apply" at the top of this page.

  • $225 per person for Non-Members | $165 per person for Members (Discount code required received when renewing or joining)
  • Each technician must register individually for the exam. Candidates must create an account on nalmco.org by clicking "Create Account" at the top of the page.
  • Exam information and training manuals are sent directly to the registered technician.
  • Technicians will receive an email regarding their testing session within 24-48 business hours, including their NALMCO Identifier and secure URL for online exam access.
  • Candidates have 90 days from online registration to complete the exam.
  • Final scores are provided immediately after completing the exam. A passing score is 70% or higher.
  • NALMCO Headquarters receives candidate scores approximately one week after passing, with certificates issued within two weeks.
  • Examination retakes are available for $50. Click "Apply" at the top of this page to schedule a retake.

Recertification

Each CSLT is required to undergo recertification every three years to maintain their certification status. Recertification notifications will be sent via email and USPS mail. The renewal fee for CSLT certification is $150. Additionally, a total of nine (9) Continuing Education Units (CEUs) must be completed for renewal. CEU hours can be tracked through your NALMCO profile by logging in and using the CEU Tracker tool. NALMCO will issue renewal invoices to individuals renewing in September of the year their certification expires. It is important to ensure that contact information is up to date to receive renewal invoices.

Current CSLT Designees

Click here to view current CSLT designees.