Total Industrial Electrical Maintenance 15

Day 1:
Electricity at Work Regulations 1989, requirements and implementation • Working safely, including the importance of isolation procedures and lock out systems • Switches and Push Buttons, an explanation of the various types of switches and push buttons, the terminology and electrical symbols which are used in industry today, along with practical testing of functionality • Relays and Contractors, principles of operation, purpose and uses • Circuit design using BS electrical symbols and ladder diagrams, simple retaining circuits • Construction of the above circuit, demonstrating the techniques of cable termination.

Day 2:
3 phase induction motors, synchronous and asynchronous • Description of the component parts of a 3 phase induction motor • Demonstration of how a 3 phase rotating magnetic field is produced and how to reverse it • Explanation of synchronous and asynchronous speed and slip • Effect of the number of poles on motor speed • Frame sizes• Practical identification of various motors.

Day 3:
Principles of 3 phase induction motor control systems • Overload protection principles of operation and use • Design and operation of a DOL (direct on line) starter • Construction of a DOL starter • Inspection and testing procedure for the above starter • Motor testing procedures.

Day 4:
DOL starter modifications • Importance of updating documentation • Design, construction and verification of reversing starter control and power circuits.

Day 5:
• Star delta starters, principles of operation and uses • Design, construction and verification of star delta starter control and power circuits.

Day 6:

• Solenoids and actuators, principles of operation and maintenance

• State precautions that may be necessary when removing cores from energised AC solenoids
• Transformers, sizing, applications and uses
• Heaters, applications, uses and safety precautions to be observed
• Temperature controllers, various types, principles of operation and uses

• Thermal sensors, various types, principles of operation and uses.

Day 7:

Proximity devices, limit switches and proximity switches, various types, principles of operation and uses

• Practical workshop, gaining an understanding of typical connections of various proximity devices and the range

of available supplies catered for, voltage levels and current type

• Development of a typical simple control system using push buttons, proximity devices, relays and indicator lamps.

Day 8:

Protection against over current

• Protective devices, various types, suitability and uses
• Earthing, including principles of protection against indirect shock

• Undervoltage protection.

Day 9:

• Cable and core termination techniques, including crimping and soldering

• Practical workshop terminating YY, SY, SWA and MICC cable
• Testing, basic principles of circuit protective conductor testing and insulation resistance testing, instruments used and expected values

• Practical workshop testing cables terminated previously and testing cables with faults on test rig

Day 10:

• Fault finding, safety precautions and principles

• Practical workshop on fault rigs
• Root cause analysis
• PPM and maximising uptime

Days 11-15:
2392 Description

A short course aimed at newcomers to inspection and testing of electrical installations, who possibly require certification to demonstrate technical knowledge and practical ability for entry into a Part P competent person’s scheme and also the logical route towards 2391-10.

City and Guilds Certification is achieved on successful completion of both the practical assessment and PC based examination.

A four day Industrial Electrical Maintenance 15 course for a student possessing a working knowledge of the wiring regulations, to the level of City and Guilds 2382.

2394 Description

The City and Guilds 2394 electrical course has been designed to meet the needs of the electrical installation industry, and is aimed at practicing electricians who have not carried out inspection and testing since qualifying or who require some update of training before going on to other City and Guilds qualifications.

Candidates who achieve the 2394 qualification could progress on to the City and Guilds 2395: the Level 3 Certificate in Inspection, Testing and Certification of Electrical Installations.

The City and Guilds 2394 course will focus on the teaching and learning of initial verification and certification of electrical installations.