Welcome to your 2365 203 Electrical Installations Technology
1.
A circuit installed to supply a fire panel would be identified as:
2.
The disconnection time for ring or radial socket outlet circuits is
3.
The image represents which type of earthing system?
4.
If class II and class I cabling is in the same cable space how should it be placed:
5.
The standard distribution voltage to light industry is?
6.
Which one of the following earthing arrangements is shown in the diagram?
7.
A typical insulator for an overhead line transmission system would be?
8.
What do the letters CDM stand for:
9.
What is the typical maximum earth fault loop impedance outside the consumers installation for a TNC-S system, quoted by the DNO?
10.
What is the Current Carrying capacity (It) of a 16mm2 twin and earth Thermoplastic PVC flat cable, that is clipped direct?
11.
In cables the abbreviation mims refers to?
12.
What is the maximum percentage of trunking that can be filled with cable:
13.
A room in which there is a 13A socket outlet is to be converted into a bathroom. The socket outlet must be
14.
Where saddles are to be installed to support a long vertical run of conduit to ensure accuracy it would be appropriate to use a
15.
Area Distribution Boards in large factories and commercial premises should normally be positioned
16.
Which one of the following describes the process of a solar photo voltaic system?
17.
Under the EAWR 1989, before work may commence, it must be shown that a person is what?
18.
If a ring main circuit has a 32 A fuse 230 V supply the maximum power available at any one time is
19.
The EAWR 1989 requires that before work may commence it must be shown that a person is what?
20.
What is the Ze for a TN-C-S system?
21.
When electrical energy is transmitted at 400 kV. It is known as?
22.
When installing equipment a contracting electrician must be able to?
23.
What does the picture represent?
24.
In domestic lighting systems the components used to control the circuits are:
25.
Which one of the following is the correct drawing scale where a wall, 4m in length measures 8cm on a drawing?
26.
On a drawing what does this symbol represent?
27.
Which one of the following is a short circuit protection device that is NOT activated by heat?
28.
A tracer device is used to?
29.
When cabling is routed through insulation the rated:
30.
The metal parts of a DB casing have become live due to a short circuit from a line conductor. Prevention of an electric shock is by?
31.
A layout drawing shows a proposed route for a cable run. If the scale is 1:50 and the route length on the drawing is 85mm, the length of the cable will be?
32.
To complete an electrical installation it will normally be necessary for an electrician to be provided with?
33.
Which one of the following is metal cable trunking?
34.
It is beneficial to use transformers to produce high voltages for energy transmission in order to?
35.
The IET Wiring Regulations in relation to cable selection give tables on
36.
Which one of the following earthing arrangements is shown in the diagram?
37.
Spring toggles are used to fix electrical equipment to:
38.
When taking a telephone message for a colleague it is essential to?
39.
Typical voltages used for the transmission and distribution are respectively?
40.
The main purpose of an assembly diagram is?