National Wildfire Coordinating Group

X-900, Investigating Power Line Caused Wildfires, 2013

X-900 Decorative banner: Two inset photos of wildland fire investigation operations. Background image of an intense forest fire consuming everything. Inset photo of an old burned out classic car. Two fire inspectors stand on a mountain top overlooking burned area below.

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This course will provide a basic knowledge of the specific requirements and protocols necessary to investigate wildfires caused by electric power lines and their related equipment. Detailed sections will provide specialized information and techniques to aid in the investigation of power line related wildfires. The course can be presented by short lectures and electronic presentations.


  • Describe the basic structure of the electric utility industry and how to safely work around power lines and their related equipment during fire investigations.
  • Recognize the different classifications of electrical lines, hardware, and their associated equipment, including exempt and non-exempt models and related clearance requirements.
  • Describe construction requirements, industry standards, and maintenance procedures required to prevent wildfire starts from electrical power lines and power line related equipment.
  • Understand the conditions when “spoliation of evidence” may occur and how to avoid this situation.
  • Recognize the various power line fire causes and evidence associated with these causes.

Target Group

Qualified Wildland Fire Investigators (INVF).

Prerequisite Qualifications and Training

  • Successful completion of FI-110, Wildland Fire Observations and Origin Scene Protection for First Responders, and FI-210, Wildland Fire Origin and Cause Determination.

Session Offerings

Sessions of this course may be available in the NWCG Wildland Fire Learning Portal (WFLP). Enrollment requires an account. Log on as a guest to search for session offerings of this course and to view other public content. To search for a specific course, use the FIND LEARNING menu at the top of the page, then select UPCOMING COURSES. To view Geographic Area training schedules, select the specific GEOGRAPHIC AREA information using the drop-down menu at the top of the page. Contact your local Training Officer for more information about local course sessions.



X-900 is available as classroom instructor-led training.

Course Components and Hours to Complete

Course Component Course Time
Pre-course work N/A
Pre-selection assessment N/A
Online training N/A
Instructor-led training 6
Total Hours 6

Course Level

Information not available at this time.

Minimum Instructor Qualifications

Cadre must have experience in wildland fire investigation.

See NWCG Standards for Course Delivery, PMS 901-1, Instructor Standards for more information.

Certification Date:


Previous Certification Dates:

  • None


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Functional Area: 
Prevention and Investigation
Page Last Modified / Reviewed: 

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