{ "@context": "https://schema.org", "@type": "Organization", "name": "Brainscape", "url": "https://www.brainscape.com/", "logo": "https://www.brainscape.com/pks/images/cms/public-views/shared/Brainscape-logo-c4e172b280b4616f7fda.svg", "sameAs": [ "https://www.facebook.com/Brainscape", "https://x.com/brainscape", "https://www.linkedin.com/company/brainscape", "https://www.instagram.com/brainscape/", "https://www.tiktok.com/@brainscapeu", "https://www.pinterest.com/brainscape/", "https://www.youtube.com/@BrainscapeNY" ], "contactPoint": { "@type": "ContactPoint", "telephone": "(929) 334-4005", "contactType": "customer service", "availableLanguage": ["English"] }, "founder": { "@type": "Person", "name": "Andrew Cohen" }, "description": "Brainscape’s spaced repetition system is proven to DOUBLE learning results! Find, make, and study flashcards online or in our mobile app. Serious learners only.", "address": { "@type": "PostalAddress", "streetAddress": "159 W 25th St, Ste 517", "addressLocality": "New York", "addressRegion": "NY", "postalCode": "10001", "addressCountry": "USA" } }

Test And Spec Flashcards

(51 cards)

1
Q

What will the inspector issue when a new circuit is added to an existing installation

A

An initial verification certificate

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

What’s the correct document to be completed when additional socket has been added to an A1 ring circuit?

A

Minor electrical installation works certificate

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

What’s the unit of measure for an insulation test

A

M omhs

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

Unit of measure for a PFC instrument

A

kA

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

What’s the maximum test current applied to a 30mA RCD

A

5x30=150mA

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

One item of information that isn’t included on a minor works cert.

A

External loop impedance (Ze)

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

How do you calculate the ipscc?

A

IPFC= V/ZE

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

What’s required to do before an insulation resistance test?

A

Remove all loads from the circuit

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

What instrument is used to carry out continuity of prospective conductors tests?

A

A low ohms meter

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

On a socket ring when you cross the cpc’s and line conductors what will you be testing?

A

R1+R2 values

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

What will the mains intake current be recorded as?

A

Prospective fault current

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

How do u calculate the expected value of R1+R2 for a ring circuit

A

Line+cpc/4

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

Supplementary bonding conductors that are not protected from mechanical damage shall have a cpc no smaller than?

A

4 sqmm

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

What’s the maximum test current that will be applied to a 100mA RCD

A

100mA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

If you double the amount of circuits
What will happen to the insulation resistance

A

Decrease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Supplementary bonding conductors that are protected against mechanical damage shall have a csa of

A

2.5sqmm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What type of instrument will measure leakage current in a circuit

A

Clamp meter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

When a certificate is issued for initial verification for the certificate to be valid what must it be accompanied by

A

Test results sheet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Nest Inspection dates for domestic

A

10 years max (recommendation)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Next inspection dates for flats/hotels/student residents

A

5 years max (law)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Next inspection dates for commercial/ shops

A

5 years max (law)

22
Q

Next inspection dates for industrial

A

3 years max (law)

23
Q

Next inspection dates for building sites

A

3 months (law)

24
Q

Are the schedule of test results and the circuit schedule be kept together as one document?

25
Who calls up the next date on an initial verification
The designer and after that the inspector and tester
26
Tell me about minor works certificate? How many sheets? Additional schedules? How many signatures?
Single sheet 1 signature No additional schedules
27
Tell me about electrical condition report certificate (“periodic”) How many signatures? Addition schedules?
2 signatures (inspector and tester, the person commissioning the work) 3 further schedules
28
Tell me about electrical installation cert How many signatures and who How many schedules
3 signatures installer, designer, tester and inspector 3 schedules (inspect schedule, test schedule, schedule of circuits)
29
Order for dead testing
1.Continuity testing 2.insulation resistance 3.polarity check
30
Order of live testing
1.Voltage verification 2.earth fault loop impedance 3.RCD 4.functional testing
31
What methods would u use to find zs
By calculation or testing
32
How many separate circuits will you complete of initial verification
3
33
What document needs to be posted adjacent to the consumer unit
Schedule of circuits
34
If you spot something dangerous outside the agreed scope of the inspection and test report, what is your immediate action?
Include it in your report!
35
Describe test method 1
R1+r2
36
Describe test method 2
Long lead
37
What is the one circuit where the neutral presents a safety issue?
Ring circuit finale
38
When testing r1+ r2 on lights, what wiring circuit requires you to test at both at the light and at the switches?
Spider wiring and 3 plate at the light
39
R1+R2 on a light circuit which wiring type requires you to test only at the light?
Mains at switch
40
When testing a 2 way lighting circuit what must you ensure you test?
Both strappers
41
How many IR test on A single phase consumer unit would be absolute minimum?
3 for every circuit
42
How many IR tests are there for a 3 phase unit
10
43
Name me 3 reasons on why you test polarity on dead testing
Cross connections All single pole devices are in the line only Edison screw lamp holders have the centre contact in the line only
44
What test method should be employed for polarity?
Test method 1
45
5 pre checks to be carried out on a low reading ohm meter?
Case, leads, zero, calibration date, batteries
46
3 requirements of GS38?
4mm max exposed tip preferably 2mm , finger guards, coloured leads
47
What 3 zones is bathrooms and up codes
Zone 0 IPx7 zone 1 and 2 IPx4
48
An RCD is rated at 30mA should trip within what time?
300ms
49
Correct sequence for safe isolation?
Identify circuit, isolate, prove dead, lock off, retest
50
Earth fault loop impedance (ZS) is measured to ensure?
Fault current is high enough to trip protective devices
51
What should u expect for a r1+r2 on a ring finale circuit
0.3-0.5 ohms