Here are some questions that may come up in the 205 hope they are of some use to you!
Q1. What supply system uses the neutral conductor also as an earth, (PEN) ?
a) TT
B) TNS
c) IT
d) TNC-S
Q2. Part 7 of the IEE BS7671 referes to:
a) Inspection and testing
B) Assessment of general Characteristics
c) Special installations or Locations
d) Selection and erection of equipment
Q3. With class I and II cabling installed in Trunking, how should they be run:
a) Twisted together
B) Placed in the same trunking provided currents don't exceed 10A
c) Placed in separate compartments
d) in oposite directions to each other
Q4. What classification of fuse is rewireable:
a) BS3036
B) BS EN60898
c) BS 1362
d) BS88
Q5. Where a motor has its isolation in another room:
a) the Isolator must be able to be locked off in the on position
B) the isolator must be in red
c) the isolator must be able to be locked off in the off position
d) Must be moved nearer to the motor
Q6. What information is required in order to write a materials list:
a) Circuit diagrams and time sheets
B) Layout diagrams and specifications
c) Wiring diagrams and manufacturers data sheets
d) Health and safety report and plant required lists
Q7. In bathrooms, what zone is the actual bath tub:
a) 0
B) 1
c) 2
d) 3
Q8. When installing conduit along a wall, a distance saddle would be used because:
a) of high temperature
B) of condensation
c) of low temperature
d) of vibration
Q9. When a cable is installed that goes through insulation, the rated:
a) current should be decreased
B) current is doubled every 1m
c) current should be increased
d) current stays the same
Q10. In a long run of data cabling, the pairs are twisted together to:
a) decrease the cable size
B) cut down the cost of the cable
c) make it neater
d) cut down interference
Q11. An exposed conductive part has become live due to a short from phase, prevention of electric shock by earthed equipotential bonding and the automatic disconnection of supply is by:
a) EEBADS
B) an earth cable
c) trunking
d) not touching it
Q12. What is the maximum spacing of clips for 2.5mm T&E running Horizontally:
a) 250mm
B) 300mm
c) 350mm
d) 400mm
Q13. After working on a domestic installation, rubbish should be:
a) Swept under the carpet
B) Placed in the bin
c) Left for the customer to clear up
d) Taken away and disposed of correctly
Q14. On a layout plan, you would expect to find the following information:
a) How to wire up the installation
B) What the circuit protective devises are rated at
c) The positions of light switches and power outlets
d) Where the coffee machine is
Q15. What type of thermostat would you expect to find in an immersion heater:
a) Simmerstat
B) Invar rod
c) Oven stat
d) Room stat
Q16. At what depth should an SWA cable be buried:
a) 600mm from top of cable to ground level
B) 600mm from bottom of cable to ground level
c) 150mm from top of cable to ground level
d) 150mm from bottom of cable to ground level
Q17. What is the maximum permitted voltage drop of a cable supplied from 400v three phase:
a) 40v
B) 24v
c) 16v
d) 9.1v
Q18. What percentage of trunking can be filled with cables:
a) 35%
B) 45%
c) 55%
d) 65%
Q19. What must not be connected to a copper earth electrode:
a) Tinned copper conductor
B) Aluminium conductor
c) Multi-strand copper conductor
d) Lead conductor
Q20. What isn't covered by the scope of the BS7671:
a) Prefabricated buildings
B) Exhibitions and fairs
c) Agricultural and horticultural premises
d) Fixed offshore installations
Q21. Where would it be suitable to use a fixed-temperature type heat detector:
a) Kitchen
B) Dinning room
c) Hallway
d) Garage
Q22. A type of emergency light fixture that only illuminates when the power fails is:
a) Maintained
B) Wired wrong
c) Non-maintained
d) Needs maintenance
Q23. For an explosive atmosphere to exist three things are required:
a) air, an ignition source and the temperature to be above 35C
B) air, an ignition source and a hazard
c) air, a hazard and dust
d) Forgetting the card, flowers and the chocolates
Q24. Spring toggles are used to fix electrical equipment to:
a) Hollow walls
B) Brick walls
c) Wooden floors
d) Steel girders
Q25. Isolators used to isolate supplies are designed to operate under:
a) overload conditions
B) full load conditions
c) Short circuit conditions
d) No load conditions
Q26. Cables being routed through wooden joists must have a distance vertically from top or bottom of:
a) 30mm
B) 45mm
c) 50mm
d) 65mm
Q27. Heat is transferred in one of three ways:
a) Convection, conduction, radiation
B) Radiators, pipes, boilers
c) Water, air, steam
d) Reaction, radiation, reflection
Q28. The minimum bending radii of MI cable is:
a) 3(2)
B) 4(3)
c) 6(3)
d) 8
Q29. When marking out trunking for cutting, an electrician would use:
a) Pencil, tape, spirit level
B) Steel rule, square, scriber
c) Hacksaw, file, centre punch
d) Plumb line, square, spirit level
Q30. An item of equipment has a rating of IPX6, what does the 6 refere to:
a) Protection against solid object penetration
B) Protection against sun light penetration
c) Protection against gas penetration
d) Protection against water penetration
2330 level 2 answers to the 205 test questions above !
1. d
2. a
3. c
4. a
5. c
6. b
7. a
8. b
9. a
10. d
11. a
12. b
13. d
14. c
15. b
16. a
17. c
18. b
19. b
20. d
21. a
22. c
23. b
24. a
25. d
26. c
27. a
28. c
29. b
30. d
1. What are the BS Code of practice for Earthing and Lightning ?
a. BS7430 & BS6651
b. BS7671 & BS743
c. BS7671 & BS5839
d. BS5839 & BS7671
2. A scale drawing of a building is drawn 500mm X 300 mm. The actual size of the building is 25m x 15m. What scale is used ?
a. 1:100
b. 1:50
c. 50:1
d. 100:1
3. Responsible contracting electrician receives materials on site and signs for them and then
a. discards delivery
b. keeps delivery records for reference
c. sends delivery records to the architects office
d. leave all delivery records with the supplier
4. What cable is used to connect lots of computers in a LAN that is suitable for high rates of data transmission ?
a. Mineral Insulation
b. Thermosetting insulated
c. Fibre Optic
d. Armoured cable
5. On a switch start fluorescent circuit the function of the choke when the lamp is alight is to
a. Limit the current flowing in the lamp
b. Produce a voltage surge across the lamp
c. Cause current for circuit to lead voltage
d. Choke interference generated by the lamp
6. Why is the Choke for a fluorescent lamp laminated ?
a. So it will be lightweight
b. To make it easy to connect the windings
c. To reduce effects of Eddy Current
d. To make it easier to clean
7. A circuit that feeds a heater is called a
a. Power Circuit
b. Environment Circuit
c. Heating Circuit
d. General Circuit
8. In a Factory very large and heavy SWA cables are run high over the workshop using
a. cable basket
b. cable ties
c. cable ladder
d. cable cleats
9. Cleats are used to support which type of cable ?
a. SWA cable
b. Twin and Earth cable
c. Group of Mineral Insulated Cable
d. Fibre Optic cable
just gotta hope 70% of the questions are stuff like what type of fixings do we use for armoured cables 
