Troubleshooting Panels and Power Supplies CEU



PRICE: $25 for ESA members / $35 Non-Members

This one-hour online course provides students an overview of power and alarm panels. Topics will include transformers, review of power supplies, determining the proper power supply, review of back-up batteries for power supplies and review of wiring.

After completing this course you should be able to:

  • Using a manufacturer’s specification sheet read and interprets the manufacturer’s specifications (voltage, permissible load, etc.).

  • Using the NTS worksheet (found in the NTS Dictionary) and the manufacturer’s specifications, the student will be able to determine the minimum size power supply needed.

  • Using an NTS worksheet and the manufacturer's specifications, the student will be able to calculate the size battery needed for a system to a operate for specified number of hours (4, 24, 60, and 72) without primary power.

  • Using the NTS worksheet and manufacturer’s specifications, the student will be able to calculate the size battery needed for a system to operate without primary power as required by NFPA and UL requirements.

  • Select the proper transformer for power supply as well as install and wire the transformer.

  • After determining the proper battery, list reasons for its failure for a given system.

Pricing Info:

ESA Members receive a discount on National Training School courses. You will have the option to update the price based on your ESA membership status once the item has been added to your cart you Check Out.  ESA Membership will be validated post purchase.

What to Expect in the Online Course:

The course is delivered using a presentation style that is built off the exact same content covered in our instructor led course.  The presentation includes text,audio, graphics, videos and activities to help you absorb the information presented. This course has a short quiz at the end which you will be required to pass with a 70% or greater to complete the course.  

NOTE:  Not all state regulatory agencies allow online courses for licensing or CEUs.  Please check with your licensing agency prior to taking this course for licensing.


State Approvals:

AL-Alabama Electronic Security Board of Licensure (AESBL)

LA-Louisiana Office of the State Fire Marshal: Life Safety & Property Protection Advisory Board (LSPPA)

Louisville, KY-Louisville Metro Police Department (LMPD)

MS-Mississippi Office of the State Fire Marshal: Electronic Protection Systems Division

NC-North Carolina Department of Public Safety: Alarm Systems Licensing Board (NC DPS-ASLB)

NJ-State of New Jersey: Division of Consumer Affairs

TX-Texas Department of Public Safety: Private Security Bureau (TX DPS-PSB)

TN-Tennessee Department of Commerce and Insurance: Alarm Systems Contractors Board

1 hour
Must spend 1 hour in class

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Detailed Course Outline:


  • What is an Alarm System – Power
    • Why so much review of power supplies?
    • Examples of power supply symptoms
    • Real world examples
    • Typical panel power connections
  • Transformers
    • Step down transformers
    • Step up transformers
    • Multi-tap step down transformers
    • Transformer selection
    • Calculation the VA rating
    • Don’t short a transformer
    • Determining the proper transformers
    • Determining the correct transformer for the load
  • Review of Power Supplies
    • Power supply types
    • Power supply listing
  • Determining the Proper Power Supply
    • Determining the proper voltage
    • Determining the proper amperage rating
    • Determine minimum size power supply
  • Review of Battery Uses in Power Supplies
    • Batteries – General Information
    • Rechargeable batteries: basic principles
    • Battery supervision
    • The charge vs the discharge
    • Standby battery
  • Determining Proper Battery Rating
    • Standby battery
    • Amp-hours
    • Minimum standby battery standards
    • Battery Troubleshooting
    • AH: the calculation
    • Short standby times
    • Other amp-hour calculations
    • How large a battery do I need?
    • Things to remember
    • Multi-battery power supply connected in a series, parallel and precautions/reminders
    • Troubleshooting batteries
    • Battery recharge time
    • Battery safety
  • Power Supplies/Batteries
    • Power supply/battery problem review
    • Secondary power for fire systems
    • Standby battery calculation form
    • Typical panel configuration
  • Wiring Review
    • Wiring power supplies
    • Power supply wiring
    • Wire size rules
    • Power supply wire gauge “Rule of Thumb”
    • Practice problem wire gauge
    • Points to Ponder