Welcome to your 18th Edition 60 mins
1.
A firefighters switch, shall be provided in the low voltage circuit supplying exterior electrical installations and interior discharge lighting operating at?
2.
What should be made part of a PEI design to help combine information or data from or to the DNO, Electricity supplier and user?
3.
When considering the fundamental principles of an electrical instalaltion, which of the following should a designer have knowledge of relative to the what protective equipment is required
4.
If there is a fault to earth on the HV side of a transformer, which types of overvoltage could affect the LV side ?
5.
The minimum information contained on a periodic inspection and testing notice would be the?
6.
What is the maximum Zs for a 16A type B circuit breaker protecting a fixed appliance?
7.
On caravan sites, overhead conductors in areas subject to vehicle movement shall be placed at a minimum height above ground of?
8.
The maximum length of a flexible cord or cable for a caravan connection is?
9.
In the latest colouring system the neutral in a three-phase AC system will be?
10.
To ensure continuity of supply to one part of the installation in the event of failure of another part, one approach is?
11.
All final circuits supplied at 230V and not exceeding 32A shall have a maximum disconnection time not exceeding:
12.
Which of the following forms part of the assessment of general characteristics?
13.
What does the abbreviation PEI stand for?
14.
IET regulation BS7671 applies for
16.
What is the value of Cmin?
17.
A cable concealed in a wall outside the prescribed zones at a depth of less than 50 mm must?
18.
Which of these is not is not suitable for a SELV system?
19.
An additional measure known to reduce the effects of electromagnetic interference in an installation is
20.
An RCD that is installed for protection against the risk of fire where combustible materials are stored shall be?
21.
Accessible street furniture enclosures containing live parts shall only be opened using a?
22.
20A final circuit is the wiring between?
23.
What is the maximum Zs for a 20A type D circuit breaker protecting a transformer?
24.
Which of the following statements is incorrect?
25.
Electrical equipment installed outside in caravan parks shall be protected against mechanical stresses to a minimum of?
26.
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
27.
Multicore cables on a perforated tray are covered by reference method?
28.
Requirements of Isolating and Switching information can be specifically found in?
30.
Prospective fault current for a single phase supply, is recorded using the highest value determined from the prospective?
By Neil