Electrical Installation Inspection and Testing

What is the purpose of an electrical installation inspection and testing?

• To generate a comprehensive maintenance plan

• To identify potential hazards and ensure compliance with regulations

• To determine the lifespan of electrical equipment

• To calculate energy consumption in a building

Tags

NGSS.HS-ETS1-3

Which organization in the UK sets the standards for inspection and testing of electrical installations?

• ISO (International Organization for Standardization)

• ILO (International Labour Organization)

• HSE (Health and Safety Executive)

• IET (Institution of Engineering and Technology)

During an electrical inspection, what is the purpose of a visual inspection?

• To verify the electrical load of the installation

• To detect damage or signs of deterioration

• To measure the electrical resistance of the circuit

• To check the voltage stability of the system

Which one of the following tests checks the integrity of the insulation of the conductors?

• Continuity testing

• Earth loop impedance testing

• Scanning electron microscopy testing

• Insulation Resistance testing

What is the maximum allowable value of earth loop impedance for a typical ring final circuit in a domestic dwelling?

• 1.37 ohms

• 1 ohm

• 2.56 ohms

• 5 ohms

Which test is conducted to verify the correct operation of an earth fault protection device?

• Earth fault loop impedance testing

• Polarity testing

• Prospective short circuit current (PSCC) testing

• RCD testing

How often should a periodic inspection and testing of an electrical installation be carried out in a rented property?

• Every 2 years

• Every 5 years or upon change of tenant

• Every 10 years provided no changes to the installation

• Every 25 years

Which document should be provided to the building owner or occupier after a completed periodic inspection and testing of an installation?

• Energy Performance Certificate (EPC)

• Electrical Installation Condition Report (EICR)

• Building Regulation Compliance Certificate

• Fire Risk Assessment Report

What is the purpose of an earth electrode resistance test?

• To measure the power consumption of the electrical installation

• To verify the continuity of the protective earth connection

• To assess the stability of the electrical supply voltage

• To check the resistance of the main incoming supply cable

Which conductor must be removed from the MET in order to measure the external earth fault loop impedance?

• CPC

• Main bonding conductor

• Line conductor

• Earthing conductor