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- 1. Multiple Choice
The strongly preferred method of protection for the supply to portable hand tools on a construction site is...
reduced low voltage
electrical separation of circuits
automatic disconnection of supply
an RCD rated residual operating current of 30 mA or greater
- 2. Multiple Choice
For a swimming pool where is it not possible to locate a socket-outlet outside zone 1, the minimum height above the floor that a socket-outlet may be installed is...
1.0m
0.1m
1.25m
0.3m
- 3. Multiple Choice
For installations in motor caravans, the nominal DC supply voltage shall not exceed...
12 V
48 V
30 V
24 V
- 4. Multiple Choice
Regarding the classification of medical locations, which of these is an example assigned to Group 1...
Intensive care room
Premature baby room
Delivery room
Operating theatre
- 5. Multiple Choice
For an electrical installation in a motor caravan, the cross-sectional area of all conductors shall not be less than...
1.5 mm²
4 mm²
1 mm²
2.5 mm²
- 6. Multiple Choice
Regarding onshore installations used solely for the supply of inland navigation vessels, which of these wiring systems is NOT suitable for distribution circuit in berths and ports?
Overhead cables
They're all suitable
Underground cables
Armoured cables with elastomeric covering
- 7. Multiple Choice
To meet the requirements of Section 717, the permanent notice fixed to a mobile unit in a prominent position need NOT state...
the type of supply which may be connected to the unit
a description of the function of the main isolating switch
any limitations on use imposed by the designer
the voltage rating of the unit
- 8. Multiple Choice
In a bathroom, which of the following requirements does NOT have to be met by current-using equipment to be installed in zone 0?
It is used in accordance with the manufacturer's instructions
It's permanently connected
It's protected by SELV at a nominal voltage not exceeding 30 V ripple-free DC
It's portable
- 9. Multiple Choice
For installations in exhibitions, wiring cables shall be...
Copper
Enclosed in metallic trunking
Mineral-insulated
Aluminium
- 10. Multiple Choice
The maximum length of flexible cable used for connecting a caravan pitch socket-outlet to a caravan shall be...
27 m
20 m
25 m
23 m
- 11. Multiple Choice
On a caravan park, what is the maximum number of socket-outlets that can be grouped together in any one enclosure
8
2
4
6
- 12. Multiple Choice
In a bathroom, which of the following requirements does NOT have to be met by current-using equipment to be installed in zone 0?
It can be disconnected by the user
It's fixed
It's protected by SELV at a nominal voltage not exceeding 12 V
It complies with the relevant standard
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