City & Guilds NVQ 2346-03 Level 3 Electrotechnical Experienced Worker Qualification (Installation)

Unit 102 – Health, Safety and Environmental Considerations

Aim – This unit is designed to enable learners to develop the skills and apply the relevant knowledge associated with Health and Safety legislation, practices and procedures when installing and maintaining electrical systems and equipment.

Learning Outcome 1

Be able to apply relevant Health and Safety legislation in the workplace

Assessment criteria

1. identify which workplace Health and Safety procedures are relevant to the working environment and comply with their duties and obligations as defined by current legislation and organisational procedures
2. produce a risk assessment and method statement in accordance with organisational procedures for a given work activity
3. work within the requirements of:
   1. risk assessments
   2. method statements
   3. safe systems of work

Learning Outcome 2

Be able to assess the work environment for hazards and identify remedial actions in accordance with Health and Safety legislation

Assessment criteria

1. identify unsafe situations and conditions and take remedial actions
2. assess the work environment dnd revise work practices accordingly to take into account hazards which could cause harm, including the handling of potentially hazardous:
   1. materials
   2. tools
   3. equipment
3. identify any hazards which may present a high risk and report their presence to relevant persons who have overall responsibility for Health and Safety in the workplace
4. apply measures to control Health and Safety hazards
5. select and use correct personal protective equipment

Learning Outcome 3

Be able to apply methods and procedures to ensure work on site is in accordance with Health and Safety legislation

Assessment criteria

1. demonstrate a level of personal conduct and behaviour within the workplace, to ensure that the Health and Safety of themselves and others are not endangered
2. apply procedures to ensure the safe use, maintenance and storage of tools, plant and equipment as stipulated in:
   1. workplace policies (company & site)
   2. supplier information
   3. manufacturer’s instructions.
3. comply with information, warning, mandatory instruction and prohibition notices
4. apply procedures to ensure the safety of the work location through the correct use of guards barriers and notices
5. use access equipment correctly

Range

Access equipment:
Assess two from the following:

• ladder
• tower scafÏold or mewp
• stepladder
• platform

Learning Outcome 4

Be able to work in accordance with environmental legislation for electrical services

Assessment criteria

1. demonstrate appropriate procedures for the safe handling, storage and disposal of hazardous materials and products, in accordance with one of the following:
   • Environmental Protection Act
   • the Hazardous Waste Regulations
   • Pollution Prevention and Control Act
   • Control of Pollution Act
   • the Control of Noise at Work Regulations
   • Environment

Evidence Requirements

Learning Outcomes 1 to 4: Auditable evidence sourced from a real working environment must be provided to illustrate that, the learner has demonstrated on two separate occasions they can apply Health and Safety legislation and working practices when Installing and Maintaining Electrical Systems and Equipment in accordance with approved industry practices, statutory and non-statutory regulations and the assessment criteria for each of the learning outcomes.

In this unit, the learner is subject to direct observation on at least two separate occasions in the workplace by a qualified assessor. Reflective accounts will not be accepted as evidence for this unit. Any outstanding performance criteria that are not met through the direct observation must be supplemented by alternate evidence provided by the employer.

Unit 106 – Organise and Oversee the Electrical Work Environment

Aim – This unit is designed to enable learners to develop the skills required, and apply the associated knowledge so that they can demonstrate that they can implement practices and procedures for overseeing and organising the work environment for the installation of electrical systems and equipment.

Learning Outcome 1

Be able to provide relevant people with technical and functional information for work on electrical systems and equipment

Assessment criteria

1. liaise with relevant people to evaluate the information they require to ensure that systems, equipment or components can be operated safely and effectively
2. identify appropriate technical and functional information that is required for the work activity
3. provide information in a timely, courteous, suitable and professional manner in accordance with organisational procedures and engineering standards.

Learning Outcome 2

Be able to oversee Health and Safety during work on electrical systems and equipment

Assessment criteria

1. produce, or revise generic, risk assessments and method statements, to cover their own work and others working the area (colleagues and other operatives) in accordance with their level of responsibility
2. implement suitable procedures to confirm that work is being completed in accordance with Health and Safety legislation and industry standards.

Learning Outcome 3

Be able to co-ordinate liaison with other relevant persons during work activities

Assessment criteria

1. select effective procedures to ensure coordination with other workers/contractors, including steps to resolve issues which are outside the scope of their job role
2. evaluate and apply communication techniques that are clear, accurate and appropriate to the situation
3. demonstrate working effectively with colleagues to enhance performance (Such as: undertaking work to one’s best ability, being a good employee/worker. Co- operating with the employer and/or customer during work activities).

Learning Outcome 4

Be able to organise and oversee work activities and operations

Assessment criteria

1. organise operatives by allocating duties and responsibilities to make the best use of their competence and skill
2. monitor the work of operatives to ensure it is in accordance with:
   1. industry working practices
   2. programme of work
   3. Health & Safety requirements
   4. cost-effectiveness
   5. environmental considerations
3. evaluate and apply appropriate procedures to correct issues that arise during work activities.

Learning Outcome 5

Be able to organise a programme for working on electrical systems and equipment

Assessment criteria

1. produce a simple programme of work from the work specification, including requirements for the following:
   1. estimate of the amount of time required for completion of the work
   2. liaison with other trades where necessary
2. communicate with others clearly and concisely
3. assess situations when it is necessary to liaise with other relevant parties to resolve issues.

Learning Outcome 6

Be able to organise the resource requirements for work on electrical systems and equipment

Assessment criteria

1. organise provision of resources
2. confirm that materials available are:
   1. the right type
   2. fit for purpose
   3. in the correct quantity
   4. suitable for work to be completed cost-efficiently
3. ensure that resources are undamaged at the point of delivery
4. demonstrate effective measures which ensure the safe and effective storage of materials, tools and equipment in the work location

Range

Resources:

• materials
• fixings
• Plant
• labour
• tools

Evidence Requirements

Learning Outcomes 1 to 6: Auditable evidence sourced from a real working environment must be provided to illustrate that, the learner has demonstrated on two separate occasions they can implement practices and procedures for overseeing and organising the work environment for the installation of electrical systems and equipment in accordance with the assessment criteria for each of the learning outcomes.

In the delivery of this unit an emphasis shall be made to the learner on the necessity to keep up to date with the latest standards, technologies and practices which relate to and affect the topics covered in this unit. This is then in keeping with good engineering practice.

Unit 108 – Terminate and Connect Conductors

Aim – This unit is designed to enable the learner to develop the skills required, and apply the associated knowledge, in order that they are able to demonstrate the competence required to terminate and connect conductors and cables in electrical systems in accordance with approved industry practices, statutory and non-statutory regulations:

• The Electricity at Work Regulations (1989)
• The current edition of BS 7671
• Health & Safety Act (1974)
• Building Regulations (2000)

Learning Outcome 1

Prepare to terminate and connect cables and conductors

Assessment criteria

1. evaluate and apply appropriate procedures to include:
   1. selecting appropriate tools / equipment to enable termination and connection
   2. adopting appropriate PPE
   3. following a safe system of work (e.g. risk assessment, method statement, permit to work procedure)
2. assess and confirm it is safe to complete termination and connection in terms of:
   1. checking for presence of supply / carrying out safe isolation
   2. mechanical soundness of the electrical equipment to be connected to
   3. checking for unsafe situations.

Learning Outcome 2

Terminate and connect conductors and cables

Assessment criteria

1. terminate and connect cables and conductors in accordance with manufacturers’ instructions, BS 7671, and any relevant drawing or specification. Assess four from the following:
   1. Single-core (singles)
   2. Multicore insulated
   3. PVC – PVC flat profile cable
   4. MICC
   5. Fire performance
   6. SWA cable
   7. GSWB galvanised steel wire braid
   8. Data
2. connect to electrical equipment in accordance with manufacturers’ instructions, BS 7ó71, and any relevant drawing or specification.
   Assess five from the following:
   1. Isolators / switches
   2. Socket outlets
   3. Distribution-boards / consumer control units
   4. Luminaires
   5. Electric motors / motor control equipment
   6. Overcurrent protective devices
   7. Earthing terminals
   8. Control panels
   9. Data socket outlets or data connections
   10. Fire detection / alarm components
   11. Other appropriate equipment (such as: heating system components)
3. terminate and connect conductors, using appropriate methods. Assess two from the following:
   1. Screwing
   2. Crimping
   3. Soldering
   4. Non-screw compression
   5. Insulation displacement
4. ensure that terminations and connections are electrically and mechanically sound (e.g. by simple inspecting and testing terminations)
5. ensure cables have appropriate identification in accordance with BS 7671

Unit 109 – Apply Design and Installation Practices and Procedures

Aim – This unit is designed to enable the learner to develop the skills required, and apply the associated knowledge, in order that they are able to demonstrate the competence required to plan, prepare and install wiring systems and associated equipment in buildings, structures and the environment in accordance with approved industry practices, statutory and non-statutory regulations:

• The Electricity at Work Regulations (1989)
• The current edition of BS 7671
• Health & Safety Act (1974)
• Building Regulations (2000)

Learning Outcome 1

Prepare to install wiring systems, enclosures and associated equipment

Assessment criteria

1. assess and apply appropriate procedures to include:
   1. adopting appropriate PPE
   2. following a safe system of work (e.g. working in accordance with a risk assessment and method statement)
   3. selecting appropriate tools/equipment for the installation work
2. prepare to install wiring systems, enclosures and associated equipment, to include:
   1. confirm secure site storage facilities for tools, equipment, materials and components
   2. select materials (equipment and components) in accordance with the installation specification
   3. report any pre-work damage/defects to existing equipment or building features, to the relevant person (Such as customer / client, site / line manager)
   4. confirm site readiness for installation work to begin
   5. confirm authorisation for the installation work to start
3. use documentation to confirm that materials and equipment is of the correct quantity and is free from damage
4. ensure the planned locations for the wiring system and associated equipment are compatible with other building services (e.g. gas, water or other electrical services)
5. check the planned locations for the wiring system in terms of:
   1. cosmetic appearance
   2. external influences

Learning Outcome 2

Interpret appropriate information for the installation of wiring systems, enclosures and associated equipment

Assessment criteria

1. use sources of information to enable the installation of wiring systems, enclosures and associated equipment to be carried out including:
   1. Specifications
   2. Work schedules / programmes
   3. Manufacturer instructions
   4. Layout Drawings
   5. Other appropriate source of information (e.g. BS 7671, other plans or diagrams, ‘approved documents’, building regulations)

Learning Outcome 3

Install wiring systems, and equipment in accordance with current relevant statutory and non-statutory regulations

Assessment criteria

1. use appropriate measuring and marking out techniques which are appropriate to the wiring system, wiring enclosure and/or associated equipment that is being installed
2. install cables in accordance with BS 7671, the installation specification and programme of work. Assess four from the following:
   1. Single-core (singles)
   2. Multicore insulated
   3. PVC – PVC flat profile cable
   4. MICC
   5. Fire performance
   6. SWA cable
   7. GSWB galvanised steel wire braid
   8. Data
3. install the following in accordance with the wiring regulations, the installation specification and agreed planned programme of work. Assess four from:
   1. PVC Conduit
   2. Metallic Conduit
   3. PVC Trunking
   4. Metallic Trunking
   5. Cable Tray
   6. Cable Basket
   7. Ladder systems
   8. Ducting
   9. Modular wiring systems
   10. Busbar systems or Powertrack
4. install the following types of electrical equipment and accessories, in accordance with, BS 7671, the installation specification, manufacturers’ instructions and the programme of work: Assess four from the following:
   1. Isolators / switches
   2. Socket outlets
   3. Distribution-boards / consumer control units
   4. Overcurrent protective devices
   5. Luminaires
   6. Data socket outlets
   7. Other appropriate equipment (e.g. heating system components, control equipment)
5. communicate with others professionally and appropriately to aid the effective installation of the wiring system/equipment
6. dispose of waste materials in accordance with site procedures and statutory requirements.

Learning Outcome 4

Confirm the quality of the completed work

Assessment criteria

1. ensure the installed wiring system/s and enclosure/s meet specified requirements including that they:
   1. Are the correct type and fit for purpose
   2. Are installed in accordance with BS 7671
   3. Meet the installation specification / other relevant plans / instructions
   4. Are installed in accordance with any relevant manufacturer instructions.

Unit 113 – Inspect, Test and Commission Electrical Systems

Aim – This unit is designed to enable the learner to develop the skills required, and apply the associated knowledge, in order that they are able to demonstrate the competence required to inspect, test, commission and certify electrical systems and equipment in buildings, structures and the environment in accordance with approved industry practices, statutory and non-statutory regulations:

• The Electricity at Work Regulations (1989)
• The current edition of BS 7671
• Health & Safety Act (1974)
• Building Regulations (2000)

Learning Outcome 1

Be able to confirm safety of the system and equipment prior to completion of inspection, testing and commissioning in accordance with statutory and non-statutory regulations

Assessment criteria

1. carry out safe isolation procedures in accordance with regulatory requirements for electrical installations
2. ensure the Health and Safety of themselves and others within the work location during inspection, testing and commissioning
3. check the safety of electrical systems prior to the commencement of inspection, testing and commissioning

Learning Outcome 2

Be able to inspect electrical systems and equipment

Assessment criteria

1. assess whether the safe system of work is appropriate to the work activity
2. carry out a visual inspection in accordance with the requirements of the installation specification, BS 7671 and IET Guidance Note 3
3. complete a schedule of inspections in accordance with the BS 7671 and IET Guidance Note 3 making technical decisions.

Learning Outcome 3

Be able to test and commission electrical systems and equipment

Assessment criteria

1. select the correct test instruments and their accessories for tests
2. carry out tests in accordance with the installation specification and BS 7671 and manufacturer’s instructions
3. analyse and verify test results reporting all findings to relevant persons, as appropriate
4. complete in accordance with BS 7671 and IET Guidance Note 3:
   1. Electrical installation certificates: Schedules of inspections & Schedules of test results
   2. Minor electrical installation works certificates
5. complete the handover of electrical systems and equipment to relevant persons including the provision of accurate and completed documentation regarding the completed inspection, testing, commissioning and customer satisfaction
6. demonstrate to the customer / client that the operation of the circuits, equipment and components are in accordance with the installation specification and customer / client requirements.

Range

Tests:

• Continuity
• Insulation resistance
• Polarity
• Earth fault loop impedance / earth electrode
• Prospective fault current
• RCD operation
• Functional testing

Relevant persons:

• Representatives of other services / colleagues
• Customers / clients

Evidence Requirement

Learning Outcome 1: Authorised confirmation that the learner his had involvement and experience in safe- isolation procedures as relevant on two separate occasions.

Auditable evidence must be provided that the learner has demonstrated that they have competently undertaken a risk assessment on two separate occasions.

Learning Outcomes 2 to 3: Auditable evidence sourced from a real working environment must be provided to illustrate that, the learner has demonstrated on two separate occasions they can apply the principles and follow the procedures for the inspecting, testing, commissioning and certifying of electrical systems and equipment in buildings, structures and the environment in accordance with approved industry practices, statutory and non-statutory regulations and the Assessment criteria for each of the learning outcomes.

In the delivery of this unit an emphasis shall be made to the learner on the necessity to keep up to date with the latest standards, technologies and practices which relate to and affect the topics covered in this unit. This is then in keeping with good engineering practice.

Unit 115 – Apply Fault Diagnosis and Rectification

Aim – This unit is designed to enable the learner to develop the skills required, and apply the associated knowledge, in order that they are able to demonstrate the competence required to diagnose and correct electrical faults in electrical systems and equipment in buildings, structures and the environment in accordance with approved industry practices, statutory and non-statutory regulations:

• The Electricity at Work Regulations (1989)
• The current edition of BS 7671
• Health & Safety Act (1974)
• Building Regulations (2000)

Learning Outcome 1

Prepare to carry out fault diagnosis

Assessment criteria

1. check it is safe to carry out fault diagnosis
2. inform the relevant personnel of the fault diagnosis work (such as personnel on the premises, users of electrical equipment)
3. carry out the safe isolation procedure
4. evaluate and apply appropriate methods to ensure the safety of themselves and others when diagnosing and correcting electrical faults

Learning Outcome 2

Carry out fault diagnosis

Assessment criteria

1. communicate effectively with relevant personnel (e.g. customer, premises manager) to ascertain the nature of the fault
2. select and interpret appropriate documents (e.g. layout drawings, schematic diagrams etc) which relate to the electrical systems and equipment being worked upon
3. assess and communicate potential disruption that may be a consequence of fault diagnosis and correction work to relevant people, such as:
   1. Other workers / colleagues
   2. Customers / clients
4. carry out relevant inspections of electrical equipment analysing findings
5. confirm test instruments are fit for purpose, functioning correctly and are correctly calibrated
6. perform suitable diagnostic tests, based on engineering decision, to identify electrical faults. Assess three from the following:
   1. Loss of supply
   2. Overload
   3. Short-circuit
   4. Earth fault
   5. Incorrect phase rotation
   6. High resistance joints / loose terminations
   7. Component, accessory or equipment faults
   8. Open circuit
   9. Signal faults
7. use appropriate methods for locating faults including:
   1. Using a logical approach
   2. Using safe working practices
   3. Interpretation of test readings
8. use appropriate instruments correctly to carry out fault diagnosis. Assess three of the following:
   1. Voltage indicator
   2. Low resistance ohmmeter
   3. Insulation resistance tester
   4. EFLI and PFC tester
   5. RCD tester
   6. Ammeter
   7. Phase rotation tester
   8. Other appropriate instrument

Learning Outcome 3

Carry out fault rectification

Assessment criteria

1. assess the appropriate repairs, removals and replacements and their implications with relevant people including one of the following:
   1. Other workers / colleagues
   2. Customers / clients
2. perform fault correction procedures correctly and safely using appropriate tools, equipment and material
3. assess and verify that replacement components and associated equipment maintain:
   1. ease of access to enable future maintenance
   2. compliance with relevant regulations
   3. compliance with manufacturer’s instructions / organisational procedures
4. apply appropriate procedures to ensure electrical equipment and components are left safe, in accordance with industry regulations, if the fault cannot be corrected immediately based on technical assessment
5. establish and perform an appropriate inspection and testing procedure to confirm that circuits / equipment / components are functioning correctly after completion of fault correction work
6. record test results and other appropriate information regarding the fault correction work clearly and accurately and report it to relevant people. Assess one of the following:
   1. Other workers / colleagues
   2. Customers / clients
   3. Representatives of other services.