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Question 1
Page 40 – 2.6.2 (d) GN 3
When carrying out an Initial verification after completing a new installation or installaing a new circuit, 100 % of circuits and components need inspecting and testing. When completing an EICR, sampling will be considered which will produce limitations on the Certificate.
Question 2
If the property was sold
It is required for securing a mortgage
Inspections in the future
Comply to the Construction, Design and Management Regulation CDM
Insurance purposesQuestion 3
Page 121 GN 3
Designer
Construction Manager
Person responsible for the Inspection and testing.Question 4
Ask for permission, locate main switch and switch off
Lock off, key in pocket and hang a warning sign
Prove Approved Voltage Indicator on a Proving unit
Test dead across L-N, L-E, N-E
Re-prove Approved Voltage Indicator on a Proving unitQuestion 5
Anyone that is in the area of the electrical installation including the Inspector, Customers, public and other trades
Electric shock could be recieved by any of the listed parties due to live parts exposed.
Circuits could be unintentionally energised causing harm to anyone testing the circuitQuestion 6
Part 715 BS7671
Items – Lighting, fans, Hand lamps and chargers
Locations – Bath or shower, swimming pools, saunas
Inspections – Condition of cables, Transformer specification, connections, Environmental conditionsQuestion 7
Regulation BS7671 – 537.3.2
Items – Multipole switch, Circuit breaker, control and protective switching device (CPS), control switch operating a contractor, plug and socket outlet
Locations – Local to the load
Inspections – Location of device – Supervision or be able to be locked in the off position, rated for the intended load, connections and IP ratingsQuestion 8
1) C3 – 521.10 BS7671
2) C2 – 434.5 BS7671
3) FI – Page 104 GN 3
4) C3 – 514.13 BS7671Question 9
Page 40 GN 3
Repair or replace the item to ensure it meets the requirements of BS7671/specification and then re inspect.
Question 10
Page 25 GN 3
Protected against contact with a finger and objects such as barriers or enclosures > 12mm diameter
Question 11
Page 25 GN 3
Protected against contact with small objects or the horizontal top surfaces of items > 1mm diameter
Question 12
Page 92 GN 3
Repair or replace the item so it meets the specification requirements if possible, or report in writing to the customer immediately if the item can not be repaired or replaced at that time.
Question 13
Item to comply to GS38 – Instrument test leads when testing Live
Requirements of GS38
– 2-4mm tips
– Finger guards
– Robust, sheathed and flexible leads
– Fused Leads
– No damageQuestion 14
Page 41 GN 3
Periodic Inspection and Testing is carried out following a sampled selection
An Initial Verification is carried out on 100% of a new and untested circuit
Existing installations should have been tested previously
A result recorded for a test on an Initial Verification may rely on the previous test resultQuestion 15
Page 43 GN 3
Length
Size of conductor (CSA)
Material (Resistivity)
Temperature
External Influences such as Thermal Insulation and Grouping of cablesQuestion 16
1) C1 – Page 24 GN 3
2) C2 – Page 142 GN 3
3) C1 – Page 24 GN 3
4) C3 – 701.410.3 BS7671Question 17
Page 14 GN 3
The customer / client / owner
The InspectorQuestion 18
Regulation 412 BS7671
Items – Fans, fixed appliances, cables
Locations – All locations such as bathrooms kitchens and areas with risk of mechanical demage
Inspections – Condition of cables, Double Insulation up to terminals, connections, Reinforced InsulationQuestion 19
Page 33 GN 3
Here are just a few examples –
Cable terminations
Barriers and enclosures undamaged and present
Labels and identification
Correct size, type and KA of protective devices
IP codes metQuestion 20
Page 62 GN 3
One coil induces a known voltage in a loop circuit containing the earth electrode under test, the general mass of Earth and other connections with Earth within the installation. The second coil measures the test current.
Question 21
Page 19 & 120 GN 3
Adding to an existing circuit
Alteration to an existing circuit
Replacement of equipment such as accessories or luminairesQuestion 22
Page 109 GN 3
No Load Voltage between 4V and 24V
Question 23
Page 87 GN 3
Educational establishments – 6 months and 5 years
Public houses – 1 year and 5 years
Marinas – 4 months and 1 yearQuestion 24
Page 84 GN 3
Breakages
Wear/deterioration
Signs of overheating
missing parts (covers or screws)
Loose fixingsQuestion 25
Page 77 GN 3
Initial verification is carried out by an inspection and functional tests of the isolation IT system equipment including the insulation monitoring devices. Testing is required to measure the leakage current of the output circuit of medical IT isolating transformers and measurement of the resistance of the supplementary equipotential bonding.
Question 26
Page 75 GN 3
Every 6 Months
Question 27
Page 65 GN 3 – Ensuring the Voltage never exceeds 50 V)
30mA – 1667 ohms (0.03 x 1667 = 50V)
100 mA – 500 ohms (0.1 x 500 = 50V)
300 mA – 167 ohms (0.3 x 167 = 50V)
500mA – 100 ohms (0.5 x 100 = 50V)Question 28
Page 55 GN 3
Basic separation – Between the electrically separated live conductors and the transformer secondary live conductors
Basic insulation of the separated conductors – Between the electrically separated live conductors and their corresponding exposed-conductive-parts
Basic insulation of any exposed-conductive-parts associated with separated conductors(Test Voltage and Max value for all types – 500V & 1 Mohm)
Question 29
Page 41 GN 3
One lead of the test instrument is connected to the earth terminal at the distribution board via a length of test cable or ‘wandering lead’. The other test lead is used to make contact with the protective conductor at various points on the circuit under test, for example, luminaires, switches, fused connection units, etc.
Question 30
Page 19 GN 3
1)the maximum demand, expressed in amps, kW or kVA (after diversity is taken into account);
2) the number and type of live conductors of the source(s) of energy and of the circuits used in the installation;
3) the type of system earthing used by the installation and any facilities provided by the distributor for the user;
4) the nominal voltage(s) and its characteristics including harmonic distortion;
5) the nature of the current and supply frequency;
6) the prospective short-circuit current at the origin of the installation;
7) the earth fault loop impedance (Ze) of that part of the system external to the installation; and
8) the type and rating of the overcurrent protective device(s) acting at the origin of the installation.
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Question 1 of 30
1. Question
Limitations are listed on an Electrical Installation Condition Report. Why do Inspectors not include Limitations on an Electrical Installation Certificate?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 2 of 30
2. Question
Once an Electrical Installation Certificate has been completed, why is this document retianed?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 3 of 30
3. Question
What 3 parties are required to sign an Electrical Installation Certificate.
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 4 of 30
4. Question
Explain the process of safely isolation a Single phase Consumer Unit, using the main swiotch as the point of isolation
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 5 of 30
5. Question
Who would be in danger if safe isolation was not carried out by the inspector prior to Inspection and Testing?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 6 of 30
6. Question
What SELV items would you commonly Inspect in a new installation? Can you also state the typical location of these items and what inspections you would be carrying out.
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 7 of 30
7. Question
List items that are used for mechanical maintenance switching, that you would commonly Inspect in a new installation? Can you also state the typical location of these items and what inspections you would carrying out on these items.
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 8 of 30
8. Question
Indicate a classification code given to the following situation, when carrying out an EICR;
1) Trunking containing Non sheathed cables complying to IPXXD/IP4X but not to IPXXB/IP2X
2) A Protective device to BSEN 60898 has a Breaking capacity of 6KA and the PFC measured is 6.2KA
3) An Item in an unaccessible location is showing a low reading on an insulation resistance test
4) No label on the Earth Bonding clamp
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 9 of 30
9. Question
After completing a new installation, an inspection is carried out. If an item is damaged and deemed unsatisfactory what is the procedure?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 10 of 30
10. Question
What are the requirements of items/equipment manufacturerd to IP2X or IPXXB standards
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 11 of 30
11. Question
What are the requirements of items/equipment manufacturerd to IP4X or IPXXD standards
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 12 of 30
12. Question
What is the procedure when a damaged component is identified during the Inspection process of an EICR?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 13 of 30
13. Question
Describe what items need to comply to GS38 and list 4 requirements they need to meet
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 14 of 30
14. Question
Explain why a sequence of tests must be followed for an Initial Verification following a new installation and not for Periodic Inspection and Testing?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 15 of 30
15. Question
What are the factors which may affect the total resistance of a conductor during a continuity test
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 16 of 30
16. Question
Indicate a classification code given to the following situation, when carrying out an EICR;
1) Damaged Light showing live terminals
2) A circuit protected by a 32A BSEN 60898, Type B device has a Zs value of 1.4 ohms
3) Blank missing from a 3 phase Distribution Board
4) Lighting within the bathroom not protected by an RCD
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 17 of 30
17. Question
Which two people must keep a copy of the EIC?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 18 of 30
18. Question
What Double and reinforced insulation items (Class II for example) would you commonly Inspect in a new installation? Can you also state the typical location of these items and what inspections you would be carrying out.
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 19 of 30
19. Question
List 5 Items to be inspected in a Distribution Board
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 20 of 30
20. Question
When using a two test coil Instrument for an Earth Electrode test, explain the purpose of the two coils
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 21 of 30
21. Question
List 3 reasons a Minor Electrical Installation Works Certificate is completed
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 22 of 30
22. Question
What voltage range requirements should a low resistance ohmeter meet?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 23 of 30
23. Question
How often should the following installations have a routine check and maximum period between inspections and testing?
1) Educational establishments
2) Public houses
3) Marinas
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 24 of 30
24. Question
List 5 checks carried out while doing an inspection during a routine check
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 25 of 30
25. Question
Describe Verification details in regards to medical IT isolating transformers and monitoring devices
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 26 of 30
26. Question
An integral test device is incorporated in each RCD. This device enables the functioning of the mechanical parts of the RCD to be verified by pressing the button marked ‘T’ or ‘Test’. How often must this be checked?
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 27 of 30
27. Question
List the maximum values of earth fault loop impedance (Zs) for non-delayed RCDs to BS EN 61008-1 and BS EN 61009-1 for U0 of 230 V
1) 30 mA
2) 100 mA
3) 300mA
4) 500mA
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 28 of 30
28. Question
Describe 2 test types which are carried out when doing an Insulation Resistance test to verify electrical seperation? State what the test voltage is for each type and minimum acceptable resistance
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 29 of 30
29. Question
Describe the test method 2 (for circuits) when doing Continuity of protective conductors, including main and supplementary bonding
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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Question 30 of 30
30. Question
As per BS 7671, what required information shall be made available to the person or persons carrying out the inspection and testing? List 4
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This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.
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