Inspection and Testing (2391) Quiz 1

Before conducting an insulation resistance test during an initial verification it is essential for the inspector to

Which one of the following documents does not include model forms for certification purposes?

The initial verification of an electrical installation must include

Which of the following gives detailed guidance on the inspection and testing of an electrical installationllowing gives detailed guidance on the inspection and testing of an electrical installation

Which document is most appropriate for general information on constructing a simple electrical installation?

On completion of an initial verification of an additional new circuit, the inspector should provide

The value of external loop impedance Ze has to be available to the person(s) carrying out an initial verification of an installation. This value is

A Minor Electrical Installation Works Certificate does not require a record of

During an initial verification the human senses of smell and touch would most likely detect

Before initial verification of an addition to an existing installation is carried out, the occupier of the premises should

In a new bathroom installation where the only circuit is lighting, the pipework is plastic and the method of fault protection is ADS, there is no need to check for the presence of

A human sense most appropriate during the initial verification would be

Whilst conduction an initial verification of a new circuit it is noticed that an existing circuit is overloaded. The most likely human sense that would have revealed this condition is

Under the requirements of the Electricity at Work Regulations inspectors must be able to

A main protective bonding conductors connects

The test of separation between SELV circuits and circuits operating at 400 V is carried out using an insulation resistance tester set to

When measuring the external earth fault loop impedance of an electrical installation, the earthing conductor must be

Which of the following tests would confirm the separation of SELV circuits from circuits operating at 230 V as required by BS7671?

The most likely method for compensating for the difference between normal operating temperatures and testing temperatures for earth fault loop impedance, is by

A three lead prospective fault current instrument is being used to measure the fault current on an installation forming part of a TN-C-S system. If the neutral and earth leads are both connected to the neutral terminal the measurement being taken is PFC

A cpc connects

The non-statutory document that is applicable to the construction and use of test equipment is

A test of prospective fault current should be undertaken at the point of installation of an overcurrent protective device to ensure it is

The measured value of prospective fault current measured at the origin of an electrical installation is 1520 amperes. The minimum rating for the protective device installed at the origin is

The continuity of conductors should be verified by using

When a number of additional circuits are connected to a distribution board the overall insulation resistance will

The BS7671 requirements for supplementary equipotential bonding apply specifically to

The need to consult the client or user before carrying out a test of insulation resistance to an alteration or addition, is to ensure

The certificate issued for an initial verification must be accompanied by a schedule of

Before commencing an insulation resistance test during an initial verification, the supply to the installation under test must be

When carrying out an insulation resistance test, the user of the installation would be warned because of the danger from

Before carrying out a test of insulation resistance it is most important to ensure the test leads meet the requirements of

Guidance on the type and use of electrical test equipment used by electricians is found in

The continuity of conductors should be verified by using

An increase in conductor operating temperature will result in

It is not appropriate to use an insulation resistance tester to measure continuity of conductors because the instrument

A ‘live’ test of earth electrode resistance, for an installation forming part of a TT system is to be carried out using a two lead instrument. The supply connections for the test instrument can be made to the

The third stage in conducting a test of ring final circuit continuity is to

The maximum tabulated value of earth fault loop impedance for a circuit is 1.85Ω. If the resistance of line and cpc for the new circuit is 1.03Ω the maximum acceptable external earth fault loop impedance value is

In order to ensure that the risk of electric shock under fault conditions is significantly reduced, it is important that

Before carrying out an insulation resistance test, the inspector should record

Details of instrument manufacturer and serial number are recorded on

Electrical Installation Certificate for a new installation may be

For a new domestic installation on a TT supply, one item which need not be inspected is

Ze for an installation is 0.8Ω, the line conductor of a final circuit is 1.21Ω, with a cpc resistance of 1.81Ω. The expected earth fault loop impedance is

The earth lead of a test instrument used to check the earth fault loop impedance of an earth electrode will be connected to

The following tests may be carried out on a new installation

The relevant test sequence for a new lighting circuit is

Linking line and cpc of an isolated radial lighting circuit in the distribution board is the first step to confirm

When testing continuity of main protective bonding conductors, the most likely range is

Entries on a Minor Electrical Installation Works Certificate need not be confirmed by the