Welcome to your 2365 625 Electrical design
1.
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?
2.
The IET Wiring Regulations Appendices has information relating to cable selection on which of the following?
3.
What would cause an RCD to operate?
4.
A circuit breaker offering circuit overload and short circuit protection, operates due to the following effects?
5.
Cables in wooden joists must be at least what distance from the top or bottom?
6.
What type of protection does a cable sheath provide?
7.
When installing conduit along a wall, a distance saddle would be used why?
8.
The IET Wiring Regulations would not normally apply to which of the following items of electrical equipment?
9.
Which of the following is a miniture circuit breaker?
10.
Where vertical trunking passes through floors internal fire resistant barriers, must be ?
11.
Which one of the following is the minimum conduit size suitable for a short straight run containing the following stranded cables: 8 x 1.5mm² , 2 x 2.5mm² , 2 x 4.0mm²?
12.
A component of a support system consisting of regular spaced elements which, mechanically retains a cable is defined as a cable
13.
What cable is used to connect lots of computers in a LAN that is suitable for high rates of data transmission?
14.
What voltage is represented by the Blue colour outlets?
15.
Mineral insulated cables are sometimes provided with an overall covering of pvc to?
16.
If the voltage drop in an installation exceeds the permissible value it may be corrected by?
17.
If a ring final circuit has a 32A fuse and a 230 V supply, the maximum power available at any one time should be no more than?
18.
Where saddles are to be installed to support a long vertical run of conduit to ensure accuracy it would be appropriate to use a?
19.
In domestic lighting systems, the components used to control the circuits are?
20.
If conductors are not clean when making a joint with a crimping tool the most likely results will be?
21.
What is meant by the term zonal concept?
22.
Which of these is not covered by the scope of BS7671?
23.
The overall diameter of large CSA multicore armoured cables may be reduced by?
24.
The IET Wiring Regulations state that the colour code for the identification of protective conductors shall be
25.
Which one of the following is a short circuit protection device that is NOT activated by heat?
26.
Which of the following is a re-wireable fuse?
27.
Which of the following is not a consideration when determining the type of installation materials to be used for an electrical installation?
28.
The minimum bending radii of Mineral Insulated (MICC) cable is how many times the cable diameter for: rework (and non-rework)
29.
Which one of the following is the conduit capacity factor to be used where a 25mm² conduit has 2 bend in a 6m run?
30.
In cables the abbreviation MIMS refers to ?
By Neil