BS 7671 does not apply to Mark one answer.

Which one of the following parts of BS 7671 contains greater detail of the Assessment of General Characteristics? Mark one answer.

BS 7671 states that installation design must take into account Mark one answer.

Simple separation is separation between circuits by means of. Mark one answer.

Excessive current occurring in an electrically sound circuit is known as. Mark one answer.

Which one of these types of system earthing codes has the following description: 'neutral and protective functions combined in a single conductor'? Mark one answer.

Which one of the following needs to be considered in order to identify the characteristics of equipment likely to have harmful effects on other electrical equipment? Mark one answer.

The compatibility of harmful effects upon electrical equipment would not need to be assessed for. Mark one answer.

Which one of the following is a consideration of maintainability? Mark one answer.

Every installation should be divided into circuits, as necessary, to. Mark one answer.

The prevention of indirect energising of a final circuit intended to be isolated must be achieved by. Mark one answer.

Which of the following is not a method of fault protection? Mark one answer

Socket-outlets must be protected by an RCD when the socket-outlet rating does not exceed Mark one answer

Direct lightning strikes on structures are Mark one answer

The particular requirements for locations with a risk of fire due to the nature of process or stored materials are found in Section Mark one answer

Which of the following methods will not provide basic protection? Mark one answer

A radial final circuit supplying fixed equipment is protected by a 20 A type B circuit-breaker to BS EN 60898. What is the maximum permitted value of earth fault loop impedance for this circuit? Mark one answer

To provide protection against electric shock, the protective measure of double or reinforced insulation relies on basic insulation and Mark one answer

A 6A BS EN 60898 circuit-breaker used to protect a circuit with a maximum permitted value of earth fault loop impedance (Zs) of 1.82 Ω would be type Mark one answer

Where there is a danger of fire due to the nature of stored materials containing dust, what must every luminaire have? Mark one answer.

Installed electrical equipment which contains a significant quantity of flammable liquid require measures to prevent the spread of the liquid. Which one of the following is considered to be the minimum quantity to be classed as significant? Mark one answer.

What is the k factor for tinned soldered joints in copper conductors with 60°C thermosetting insulation? Mark one answer.

Which one of the following is not a situation where overload protection devices may be omitted for safety reasons? Mark one answer.

The required minimum impulse withstand voltage for Category II equipment within a 230 V domestic installation for overvoltage protection is Mark one answer.

What is the minimum size of a copper earthing busbar for an installation which has a supply capacity of 250 A per phase, when considering measures against electromagnetic disturbances? Mark one answer.

Protection against overvoltages shall be provided where the consequence caused by an overvoltage could Mark one answer.

In the image, what is conductor A? Mark one answer.

In the image, what is conductor Y? Mark one answer.

Which one of the following is not an acceptable method of identifying a bare conductor? Mark one answer.

A warning notice of maximum voltage present must be fixed to all. Mark one answer.

Which one of the following conductors of an A.C. circuit may individually enter a ferromagnetic enclosure? Mark one answer.

A single-phase circuit using 2.5 mm² single-core thermoplastic cables in conduit supplies a design current of 20 A. If the cables are 15 metres long and have a rated voltage drop of 18 mV/A/m, the total actual voltage drop will be. Mark one answer.

Thermoplastic insulated and sheathed flat cables with protective conductor, when installed in prescribed zones in a dwelling at a depth of less than 50 mm, must have additional protection by. Mark one answer.

The derating factor to be applied to a cable passing directly through a 50 mm thermally filled cavity wall is. Mark one answer.

Where a person other than a skilled or instructed person may operate a circuit-breaker, it should be designed or installed so that it is not possible to modify the setting or calibration of its overcurrent release without. Mark one answer.

As a means of isolation in a circuit, it is not permissible to use a. Mark one answer.

The minimum csa of a supplementary bonding conductor protected against mechanical damage and run as a separate cable, should be. Mark one answer.

Where groups of luminaires are divided between the three line conductors of a three-phase system, with only one common neutral, at least one device must be provided that will disconnect. Mark one answer.

Circuits supplied by a generator set which is not permanently fixed and used for temporary supplies, must have additional protection by a. Mark one answer.

A suitable supply for safety services is a. Mark one answer.

Four of the tests identified in BS 7671 are: 1. Insulation resistance 2. Polarity 3. Protection by SELV 4. Continuity of conductors. The correct sequence for these tests to be carried out is:

Before an Electrical Installation Certificate is issued for any installation, any defects or omissions in the installation work covered by the certificate, shall be:

The result and extent of a Periodic Inspection and Test should be recorded and given to the:

A legible diagram, chart or table relating to an installation must be provided to indicate the:

Which one of the following is not included in the scope of Section 704 of BS 7671? Mark one answer

In Zone 2 of an indoor swimming pool, where water jets are not likely to be used for cleaning purposes, what is the minimum degree of protection? Mark one answer

In a bathroom the protective measure of placing out of reach is Mark one answer

In a bathroom, where the space below the bathtub or shower basin is accessible without the use of a tool, this space is classified as Mark one answer

If using an enclosure to provide basic protection for SELV or PELV inside zones 0, 1 or 2 of a room containing a bath, the minimum degree of protection is. Mark one answer.

In Zone 1 of a bathroom, switches protected by SELV are permitted at a nominal ac voltage not exceeding. Mark one answer.

When underfloor heating is provided in a swimming pool, the electric heating unit embedded in the floor should incorporate an earthed metallic sheath connected to. Mark one answer.

Supplementary bonding in a bathroom may only be omitted if certain conditions are met. Which of the following is not a required condition? Mark one answer.

When installing wiring systems in Zone 1 of a swimming pool, junction boxes may Mark one answer

The minimum protection required for SELV equipment in a hot air sauna room is Mark one answer

An external influence has a general category code of A. This code indicates Mark one answer

What is the rating factor for a 60°C thermosetting cable installed in an ambient air temperature of 40°C? Mark one answer

The rating factor for 70°C thermoplastic cables buried direct in the ground where the ambient ground temperature is 15°C is. Mark one answer.

What does an external influence with a classification of AD7 indicate? Mark one answer.

Which of the following should individuals state when making out and signing an Electrical Installation Certificate? Mark one answer.