Welcome to your 18th Edition 60 mins
Which of the following falls under the scope of BS7671
Which specific location would not be included in the scope of BS7671?
Which specific location would not be included in the scope of BS7671?
Which falls under the scope of BS7671?
When considering the fundamental principles, which of the following should a designer have knowledge of relative to the Nature of demand?
What is the UK declared voltage defined by the Symbol U for a three phase installation?
A transportable leisure accommodation vehicle which includes means for mobility but does not meet the requirements for construction and use of road vehicles is a?
Which of the following is an example of a safety service, when assessing the general characteristics of an installation?
The effectiveness of protective measures should be considered with regard to:
When assessing the frequency and quality of maintenance of an installation, the person responsible for the operation and/or maintenance of the installation shall be:
With reference to the nature of the supply, which one of the following can be determined by calculation, enquiry or measurement?
To ensure continuity of supply to one part of the installation in the event of failure of another part, one approach is?
When making an assessment of the frequency and quality of maintenance, a factor to be considered is that:
What does the letter T stand for in TNCS?
The image represents which type of earthing system?
Requirements of Isolating and Switching information can be specifically found in?
Electrical equipment with double insulation provides?
Electrical equipment with reinforced insulation provides?
What is the maximum earth fault loop impedance for a 5 sec disconnection time, if the protective device is a 6A type B 60898 MCB and supplied by 55v?
What is the maximum operating current for an RCD, which may supply portable equitable used outdoor?
Which one of the following describes the purpose of supplementary bonding between exposed extraneous parts
Where the measure of automatic disconnection of supply is employed, fault protection may be provided by:
Where the measure of automatic disconnection of supply is employed, fault protection may be provided by:
Which of these is not is not suitable for a SELV system?
Which of the following items does not offer 'basic' protection:
A 230V circuit is protected by a 20A Type B circuit-breaker to BS EN 60898. The minimum value of fault current to ensure compliance with maximum disconnection times is?
The maximum earth fault loop impedance for a TT system with a 300mA RCD is?
When protecting against burns, a metallic part intended to be touched but not hand held shall be limited to a maximum temperature of?
Correct co-ordination between circuit conductors and an overcurrent protection device is achieved when?
Correct co-ordination between circuit conductors and an overcurrent protection device is achieved when?
When cables are placed directly in the ground they should be buried at a depth?
Cables installed in or on steel cable containment systems are deemed to meet the requirements of regulation?
Which of the following is an SPD?
Which of the following may be used to provide emergency switching for a motor?
BS 5839 deals with the system design, installation and servicing of?
A cable concealed in a wall outside the prescribed zones at a depth of less than 50 mm must?
Which of the following, is the symbol for a "class P" thermally protected independent lamp ballast permitted for mounting on a flammable surface?
The minimum information contained on a periodic inspection and testing notice would be the?
A permanent warning notice must be fixed at or near the point of connection, of every earthing conductor to an earth electrode bearing the words?
Cables and equipment in circuits feeding motors shall be suitable for a current of at least?
Accessible street furniture enclosures containing live parts shall only be opened using a?
An RCD that is installed for protection against the risk of fire where combustible materials are stored shall be?
A firefighters switch, shall be provided in the low voltage circuit supplying exterior electrical installations and interior discharge lighting operating at?
Where a 3-core cable, with cores coloured brown, black and grey, is used as a switch wire for two-way or intermediate control. The terminations of the conductors shall be identified using?
A radial final circuit feeding socket-outlets supplying several items of data processing equipment, has a total protective conductor current in normal service of 18 mA. This circuit must have a high integrity protective conductor
The minimum insulation resistance between conductors for an extra-low voltage circuit is?
With regard to determining the frequency of periodic inspection and testing of an installation, which of the following does not need to be considered?
Which of the following statements is incorrect?
When carrying out an inspection of a new installation, it is not necessary to verify the?
A simple method to allow for measured values of loop impedance to be effectively compared with BS7671 tabulated maximum values, is to correct these maximum values by multiplying them by?
Methods of inspection and testing are described in which Guidance Note?
Prospective fault current for a single phase supply, is recorded using the highest value determined from the prospective?
An approximation of the prospective fault current between line conductors, of a 3 phase supply can be determined by?
In a location containing a bath or shower supplementary bonding may be omitted, amongst other conditions, where?
For an agricultural location, in order to provide automatic disconnection of supply in circuits other than socket-outlet circuits, a disconnection device shall be installed having a maximum rated residual operating current of?
On caravan sites, overhead conductors in areas subject to vehicle movement shall be placed at a minimum height above ground of?
A PV convertor shall have a switch-disconnector provided on?
Which of the following systems shall not be used to supply equipment used in repair and alteration work on construction sites?
In a sauna which one of the zones has no special requirements concerning the heat resistance of the equipment?
Electrical equipment installed outside in caravan parks shall be protected against mechanical stresses to a minimum of?
The maximum length of a flexible cord or cable for a caravan connection is?
In a swimming pool or other basin, the metallic covering or sheath of a wiring system in zones 0,1 or 2 shall?
Electric dodgems shall only be operated at voltages not exceeding?
In the latest colouring system the neutral in a three-phase AC system will be?
Which one of the following protective measures is not applicable to equipment in Zone 2 of a swimming pool?
What does the abbreviation PEI stand for?
What should be made part of a PEI design to help combine information or data from or to the DNO, Electricity supplier and user?
20A final circuit is the wiring between?
The maximum value of voltage drop for lighting in a low voltage installation, supplied from a public distribution system is?
The ambient air temperature rating factor for 90ºC thermosetting cables operating in an ambient air temperature of 60ºC is?
Multicore cables on a perforated tray are covered by reference method?
