Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Electrical Installation > Inspection and Testing > Flashcards

Inspection and Testing Flashcards

1
Q

why are electrical installations inspected?

A

to verify they are safe and suitable for use

to verify that any alterations or additions do not impair safety

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what 4 certifications are required for installations?

A
  • electrical installation certificate
  • minor electrical installation works cerificate
  • electrical installation condition report
    -schedule of inspection and test results
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the purpose of inspections?

A
  • confirm equipment is to standard
  • confirm all equipment is selected and erected in accordance to standard
  • no visible damages
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what electrical testing equipment is required?

A

milli-ohm meter
insulation resistance
impedance tester
RCD tester
voltage indicator
earth electrode resistance tester
PFC tester
phase rotation tester

all must be GS38 compliant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the purpose of continuity of main protective bond testing?

A

to ensure all connections are sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what results are you expecting when carrying out continuity of main protective bond testing?

A

<0.05 Ohms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what test equipment will be used for continuity of main protective bond testing?

A

milli-ohm meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the purpose of continuity of CPC testing

A

ensure that the CPC is continous throughout the installation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

how are the results of continuity of CPC testing recorded?

A

R1+R2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what test equipment is used for continuity of CPC testing?

A

milli-ohm meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the purpose of testing the continuity if the ring final circuit?

A

ensure no interconnections exist and the ring is wired correctly

confirm polarity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what test equipment is used for testing the continuity of the ring final circuit?

A

milli-ohm meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What test equipment is used for an IR Test?

A

IR tester

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the purpose of an IR test?

A

ensure insulation is sound and there is no contact between line neutral and cpc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what test devices are used when testing polarity?

A

milli-ohm meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the purpose of testing polarity

A
  • ensure all devices are connected to the line conductor
15
Q

what device do you use when testing earth electrodes?

A

earth fault loop impedeance tester

16
Q

what is the purpose of earth electrode testing?

A

ensure earth electrode resistance co-ordinates with earth fault protection and is stable

17
Q

what is the purpose of verifying the automatic disconnection of the supply?

A

ensure the Ze value (total earth fault impedance) are within the given parameters of BS7671

18
Q
A

Electrical Installation (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions