Welcome to your Inspection and Testing
1.
What process involves checking if an installation has been affected by a recent flood incident?
2.
If an exposed live part was was found on a socket outlet during an inspection on an initial verification what should the inspector do?
3.
Where there are records of previous tests, which test may not be necessary on existing ring final circuits?
4.
If upon inspection a cracked socket, with access to live parts was found what outcome would this be recorded as on an EICR?
5.
A new Barn which is part of a dairy farm is being constructed. What is the minimum IP rating for Electrical Equipment to be installed in this location?
6.
A Zs reading is to be entered on a minor works certificate what is the correct instrument used to determine this reading?
7.
Where are details about an SPD recorded for Initial Verification?
8.
An insulation resistance test on a small installation that contains no distribution circuits, can be?
9.
Resistance of a circuit would be most effectively measured using a?
10.
Which Human sense is most suitable during the inspection for checking the correct protective device is installed?
11.
When performing an initial insulation resistance test on a central heating circuit you should
12.
When performing an earth electrode test the most reliable results are when the distance between the earth electrode and the current spike should be
13.
Where is the value obtained for the Earth Fault Loop Impedance (Zs) of a circuit recorded?
14.
Given that 1.5mm2 cable has a resistance per metre of 12.1mΩ how long approximately would a length of cpc be to give a reading 0.36Ω; ?
15.
An insulation resistance test on a 3 phase installation can be more easily performed by?
16.
Inspection and testing of an installation should be completed by?
17.
Which Human sense is most suitable during the inspection for checking the label or warning notice has been placed?
18.
One of the requirements for initial verification on a completed installation is?
19.
For an initial verification an IPF at the origin of an industrial installation was measured at 16.1KA, the Icn of the protective device is 15KA and the Ics is 7.5KA. What should be done to the protective device and why?
20.
An insulation resistance test should record results in?
21.
Why is it important to test a new installation in the correct sequence?
22.
If an installation has no earth conductor what outcome would this be recorded as on an EICR?
23.
During one of the test methods for the continuity of CPC, GN3 recommends a temporary link should be made?
24.
The image represents which type of earthing system?
25.
What is the maximimum length of exposed tip on a test lead allowed according to GS38?
26.
Which one of the following items is included in the checklist during the initial verification of an installation?
27.
A R1+R2 reading at the extreme end of a 25m long 20A radial socket outlet circuit wired in 2.5mm singles is taken. What would be the approximate reading of R1 + R2?
28.
Before carrying out an insulation test which of the following is recommended doing
29.
If RA has been measured at 80Ω what is the maximum rated RCD that could be used for fault protection?
30.
The reading in the picture was obtained during an insulation resistance test between phase, neutral and CPC. What might be the result most likely mean?
By Neil