ACES 7909 A  

Basic Electrical Theory for Temporary Electrical Installations for Events

This course is intended to ensure that candidates have at least a basic knowledge of electrical principles relating to temporary electrical systems.


Upon completion, candidates should progress to the ACES 7909-B course, for the Requirements of BS7909:2011.

Course content
  • Part 1: Principles of electric circuits, voltage, current and resistance.

  • Part 2: Principles of electric circuits, power and sizing cables and protection.

  • Part 3: Principles of earthing systems.

  • Part 4: Protection against electric shock

  • Part 5: Installation of appropriate equipment

  • Part 6: Assessment

The test specification for this qualification:

  • Multiple-choice paper, 30 questions: Requirements of BS 7909, 75 minutes. 

    • This is an “open book” exam, so candidates can refer to the course notes during the exam

Course information

Course title:  AC 7909-A, Basic Electrical Theory for Temporary Electrical Installations

Certificate:    Award in the Basic Electrical Knowledge Requirements for Temporary Electrical Systems

Duration:  1 day

Class times: 09.00-17:00

Course fee: £ 160 inclusive (includes registration and exam fee)


This course is primarily aimed at those working on temporary electrical installations in their many forms it covers the basic electrical knowledge that would be expected as a minimum requirement for those involved with temporary electrical systems. 

There are no formal entry requirements for candidates undertaking this course.