18th Edition part 7 mock 3

Section 714 does not apply to outdoor lighting installations such as?

• a)       Road signs
• b)        Carparks
• c)        Sporting areas
• d)       Road traffic signal systems

Which of the following is the correct description for Zone 2 where a shower has no basin (wet shower)?

• a)       Up to 2.25 m above finished floor level
• b)        0.6 m horizontally from zone 1
• c)        Under the shower floor
• d)        No Zone 2

In a motor caravan, except for a shaver socket-outlet, which of the following methods of protection against electric shock are permitted?

• a)        Electrical separation
• b)        Obstacles
• c)        Earth-free local equipotential bonding
• d)        ADS

Where a sauna heater is positioned within 0.5 m of the cabin wall; if a device is to be installed 1 m horizontally from a sauna heater and within 1.0 m from floor level what zone would it be in?

• a)         Outside the zones
• b)        Zone 1
• c)         Zone 2
• d)        Zone 3

In a fixed onshore installation why should the protective conductor of the supply to an isolating transformer not be connected to the earth terminal in a socket-outlet supplying an inland navigation vessel?

• a)    To prevent galvanic action
• b)    The question is a red-herring, all socket-outlets must have a protective conductor
• c)     To provide protection against electric shock
• d)    Its prohibited by the Electricity Safety, Quality and Continuity Regulations (ESQCR)

Which of the following is considered to be in a Group 1 medical location?

• a)        Physiotherapy room
• b)       Anaesthetic room
• c)         Operating theatre
• d)       Intensive care room

Socket-outlets supplying electrical equipment to be used in the basin of a public swimming pool shall?

• a)        Not be permitted
• b)        Not be used when the people are in the pool
• c)         Be installed at a height of 3 metres above floor level
• d)        Only be operated with the use of a tool or key

An electrical contractor is asked to install a new ring final circuit in the horticultural section of a garden centre, the socket-outlets will not exceed 32 amps, and an RCD is to be used to provide ADS for protection against electric shock'. What is the maximum permitted rating for this RCD?

• a)               20 mA
• b)             30 mA
• c)              100 mA
• d)              500 mA

PME earthing facilities may only be used to provide protective measures on a construction site when all the extraneous-conductive parts are reliably connected?

• a)        Together
• b)        To the main earthing terminal
• c)        To the structural steel work of the new building
• d)        To the earthing terminal of every distribution board on the site

On a camping site, TT socket-outlet protective conductors must not be connected to?

• a)       The MET
• b)       The Neutral
• c)        Adjacent pitch protective conductors
• d)        A PME earthing facility