Welcome to your 2365 203 Electrical Installations Technology
1.
Which one of the following is a transmission voltage?
2.
When might a variation order be issued by an architect to a contractor?
3.
The image represents which type of earthing system?
4.
What is the typical maximum earth fault loop impedance outside the consumers installation for a TNC-S system, quoted by the DNO?
5.
In domestic lighting systems the components used to control the circuits are:
6.
Which is a notice can a HSE safety Inspector issue?
7.
The main purpose of the manufacturers data is to provide installation information and
8.
What symbol to BSEN 60617 is shown here?
9.
A tracer device is used to?
10.
It is beneficial to use transformers to produce high voltages for energy transmission in order to?
11.
On a layout plan, what information will be found?
12.
Where vertical trunking passes through floors internal fire resistant barriers must be
13.
Which of the following is likely to be used to meet short term extra demand for electricity?
14.
With reference to an electrical installation metal gas and water pipes entering a building are referred to as:
15.
Area Distribution Boards in large factories and commercial premises should normally be positioned
16.
The image represents which type of earthing system?
18.
Which one of the following diagram types does not show individual conductors or cables but shows the sequence of equipment?
19.
Earthing aims to PRIMARILY protect which of these from the danger of electric shock?
20.
The image represents which type of earthing system?
21.
To complete an electrical installation it will normally be necessary for an electrician to be provided with?
22.
Which one of the following is an exposed conductive part?
23.
If a ring main circuit has a 32 A fuse 230 V supply the maximum power available at any one time is
24.
Which one of the following is an ideal method of storing and retrieving large quantities of parts and prices data?
25.
The disconnection time for ring or radial socket outlet circuits is
26.
If the earth resistance value of the whole system is greater than 10? how should a permanent reduction be achieved?
27.
When marking out trunking for cutting, an electrician would use:
28.
From which regulation does this definition come from and refer to; 'all equipment which is intended to be worn, or held, to protect against risk to health and safety'?
29.
The final conductor by which the connection to the earth electrode or other means of earthing is made is called the?
30.
The type of wiring for use in a factory with high ambient temperatures is
31.
What value of earth electrode resistance must not be exceeded, because of changes in the ground and weather may cause it to be unstable?
32.
What do the letters T - N - C & S stand for with regard to earthing systems?
33.
The correct title for the conductors that carry the electrical supply in-between levels of a building is known as a:
34.
Underground distribution systems within an industrial estate will most likely use?
35.
When installing equipment a contracting electrician must be able to?
36.
The symbol shown represents?
37.
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables: 4 x 1.5mm2 and 3 x 2.5mm2 ?
38.
A typical insulator for an overhead line transmission system would be?
39.
The most suitable type of wiring system for 3-phase electrical energy underground between buildings will be:
40.
If the voltage drop in an installation exceeds the permissible value it may be corrected by