WorksheetsAET 723 -Electrical Installation Quiz 4 -Electrical practice
Total questions: 20
Worksheet time: 10mins
Which one of the following is a direct implication of not complying with statutory regulations?
Loss of earnings
Lost clients
Dismissal
Prosecution
Which one of the following are non-statutory regulations?
Electricity at Work Regulation
Manual Handling Regulation
BS 7671
Provision and use of Work Equipment Regulations
What is the first step of doing a risk assessment?
Identify the risks
Record your findings and implement them
Review your assessment and update if necessary
Decide who might be harmed and how
Which law does not cover the use of electricity at work?
Health and Safety at Work etc. Act 1974
The Provision and Use of Work Equipment Regulations 1998
The Management of Health and Safety at Work Regulations 1999
The Electricity at Work Regulations 1989
Work performed on an electrical system within reaching distance of energized components is________work.
Energized
Essential
Safe
Unavoidable
Electrical injuries are commonly caused by:
Unsafe equipment or installations
An unsafe environment
Unsafe work practices.
All of the above
A person qualified to perform electrical work must possess:
Skills/techniques to distinguish live parts from other parts of electrical equipment.
Skills and techniques to determine the nominal voltage of exposed live parts.
Knowledge on the use of PPE, insulating and shielding materials, and insulated tools.
All of the above.
Requirements are included in BS 7671 for electrical installations of
Lift installations
Mobile offshore electrical systems
Distributor's networks
Locations containing a bath or shower
Which of the following documents is non-statutory?
Electricity Safety, Quality and Continuity Regulations
Electricity at Work Regulations
The Building Regulations
Requirements for Electrical Installations
Which of the following is a method of fault protection?
Electrical separation
Barriers or enclosures
Insulation of live parts
Placing out of reach
The temperature limit for metalic equipment which is intended to be touched but not hand-held is
30 degrees Celsius
55 degrees Celsius
65 degrees Celsius
70 degrees Celsius
Which of the following devices can not be used for emergency switching?
A push-button controlling an all-pole contactor
A manually operated switch
A circuit-breaker
A luminaire support coupler
Which of the following external influences would likely require an increase in the current rating of cables above that normally required?
Exposure to flooding
An ambient temperature below 0 degrees Celsius
Exposure to mechanical damage
An ambient temperature of 40 degrees Celsius
For 5-core flexible cables in three-phase four wire systems, the alphanumeric marking of conductors as L1, L2, L3 and N (New type)would correspond to the following conductor colour identification in accordance with BS 7671
Brown, black, black, blue
Black, brown, grey, blue
Brown, black, grey, blue
Brown, blue, grey, black
At which of the following protective conductor terminations would a warning notice not need to be fixed
An earth electrode
A connection to exposed structural metalwork
A gas service metal pipe
Main earthing terminal in a distribution board
A 13A socket outlet in a garage of a domestic dwelling must have the following
Basic protection, fault protection and RCD protection not exceeding 30mA
Protection by a 30mA RCBO
Basic protection and additional protection
Ingress protection to IP56
No alteration, temporary or permanent, shall be made to an existing installation unless the
Electricity distributor has been informed
Building Control has been informed
Existing equipment is adequate for any additional load
Existing equipment meets UL and CSA standards
A signed Electrical Installation Certificate must indicate responsibility for the installation's
Design, construction, inspection & testing
Design, material standards and construction
Construction, environment and design
IP Ratings, design, inspection & testing
An Electrical Installation Condition Report together with appropriate schedules shall be given to the
Original installer
Person ordering the inspection
Representative of the distributor
Installation designer
Before working on a circuit, you must ........................... the power supply.
Switch on
Switch off
Hold
Throw
