Welcome to your 2365 624 Inspection & testing
1.
Which one of the following items is included in the checklist during the initial verification of an installation?
2.
The person resonsible for issuing he Certificate after completion of an Initial Verification
3.
If 3 conductors equal in length and with a resistance of 0.25Ω each are connected in series what is the total resistance?
4.
When a non domestic installation is protected by an RCD, there shall be a fixed notice stating that
5.
If it is absolutely necessary to work live and can not be avoided, it is necessary to
6.
The Electricity at Work Regulations is classed as a?
7.
Which test is the most accurate to test the sensitivity of an RCD?
8.
The safest, most convenient and most accurate method of determining the external fault loop impedance is by
9.
Why is it important to test an installation in the correct sequence?
10.
The following readings were taken on a test performed on a ring final circuit, Line to Line 0.8 Ω Neutral to Neutral 0.8 Ω cpc to cpc 0.8 Ω . What would be the expected reading between line and cpc at each socket outlet?
11.
An insulation resistance test on a small installation that contains no distribution circuits can be
12.
An Electrical Installation Certificate must indicate which responsibility for an installation?
13.
An RCD test should indicate a reading in
14.
Continuity of Ring Final Conductors should be performed on initial verification using
15.
The correct scale for recording continuity of Ring Final Conductors is
16.
An approved voltage indicator should be used to
17.
Test probes to GS38 should amongst other considerations
18.
When completing an EIC on a TNS system which box should be ticked in the means of earthing section
19.
When are GS38 leads required?
20.
What checks can be carried out to ensure an insulation resistance tester and its leads are working correctly
21.
A measurement of R1+R2 on an installation installed entirely in steel trunking and galvanised conduit should be taken?
22.
An insulation resistance test performed on a standard final circuit should be set to measure in
23.
If a copper conductor was halved in length the resistance would
24.
What is considered Low Voltage?
25.
To maintain accurate readings, an instrument should
26.
The following readings were taken on a test performed on a ring final circuit, Line to Line 0.8Ω, Neutral to Neutral 0.8Ω, cpc to cpc 0.8Ω . What would be the expected reading between line and neutral at each socket outlet?
27.
The safest and most convenient way of proving the reliability of a voltage indicating device is
28.
As well as testing an RCD protected circuit for disconnection times, we are required to operate the test button to
29.
The maximum value of earth electrode resistance for a TT installation protected by a 300mA RCD is given by GN3 as
30.
The test designed to determine the correct connection of all the protective conductors within installation is known as the
31.
The resistance of a bonding conductor will increase if
32.
A continuity of ring final conductors test is carried out using a low resistance ohmmeter for what reason?
33.
Several test instruments are used on an installation, which of the following may give a reading of 0.48 Ω
34.
One test that will commonly identify short circuits within an electrical installation is the
35.
Which of the following is NOT a scale commonly found on an RCD tester?