Periodic Inspection Reporting & Certification

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Questions and electrical advice in the Periodic Inspection Reporting & Certification - This Section is STRICTLY for testing PROBLEMS which members have occured, misunderstood readings, Periodic Inspection Reporting / Electrical Installation Condition Reports, Mathematical Equations/Solutions, Part P and other legislation which require you to Inspect and Test..

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Zs too high
Hi After completing a 2 exta sockets in another kitchen, im finding the zs is on the limit. well just over. Zs - 1.06 (0.91 per OSG) I know the...
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2K
chris_k
C
R
Zs to high!
hi all :), i just got round to testing a new build i've done, and seem to getting unusually high Zs readings. the incoming supply is 3phase...
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5
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2K
pevvers
pevvers
brucelee
Zs to high
hi to all, a question for 2391 if zs to high three things you can do which should i put down if asked in written exam 1. shorten length of cable...
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17
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3K
Risteard
Risteard
B
Zs tick sheet query
Hi I was just wondering if you guys can help with this I am unsure which box to tick for high zs reading plz help
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9
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2K
Brightspark2
Brightspark2
N
Zs tests on radial circuits?
Just taken delivery of my very own NICEIC DVD: "inspection and testing - initial verification for domestic properties" and after watching it i...
2
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32
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13K
telectrix
telectrix
P
Zs Testing Tt
Hi Guys Job - semi detached with a TT earthing arrangement. I used the Z loop function on my MFT to check the earth at the DB. Reading 164 ohms -...
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10
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2K
Deleted member 9648
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Zs testing on a light circuit.
Hi, Need some help on Zs testing on lighting circuits. I am an electricians mate, recently passed my 2330 and 2392 test/inspection. I have been...
2 3
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40
Views
9K
Octopus
O
C
ZS testing
Hi, I,ve got my City and Guilds 2391 but have done little "hands on" testing till now. When ZS testing, eg a fluorescent lighting circuit, and...
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10
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5K
telectrix
telectrix
D
Zs testing
Hi I have just tested the Zs on my ring final circuit... i got the readings 0.25, 0.32, 0.47 and 0.52 there are more but the readings were...
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13
Views
3K
vivas
V
S
ZS Testing
Hello Guys. Just a quick question , when carrying out zs test on a ring main in an office area , can you carry out this test...
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8
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3K
GMES
GMES
C
Zs Testing
Have been looking at NICEIC Videos on the Learning Lounge over the weekend and when Tony talks about testing Zs on a radial circuit, he says you...
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8
Views
2K
claret73
C
P
Zs testing
Just wondering if everyone actually does a Zs test when filling in a schedule of results. In the OSG it says that you can measure it or calculate...
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12
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2K
johnboy6083
johnboy6083
B
zs testing
hi guys i m doing my select assement for my company soon and i would like 2 ask if when doing an Zs test on a light radial cct would i have to...
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2
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1K
malcolmsanford
malcolmsanford
P
Zs test with isolator
Hi. could a Zs test be done at an isolator terminals instead of at the end of a circuit or equipment in any circumstances? I'm sure that i read...
2
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29
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6K
skydog23
S
K
zs test on lights tripping rcd help
morning all i have a problem with the lights in a house firstly they wouldnt seperate as theres a borrowed neutral on upstairs circuit so had to...
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4
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3K
invisable
I
J
Zs test at last lighting point reading "trip:"
any ideals on why it said trip i have a megger mft 1553. testing between live earth and nutral with lead test. but dont work lol any help will...
2 3 4
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65
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10K
High Tower
H
S
Zs test at a light switch.
Hi, Just started 2330 level 3, and on practical assignments, at the stage on a test rig, one circuit is for lighting. there is only a Light...
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8
Views
5K
ian.settle1
ian.settle1
J
Zs Test
Bit confussed how to carry out Zs test at the orgin of the board :confused: Any ideas
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8
Views
5K
pevvers
pevvers
R
Zs readings slightly higher than ze+r1+r2
Hi, This is my first post and hope someone can help. I have tested a TN-S system and have these readings, I am constantly getting a higher...
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3
Views
5K
SirKit Breaker
S
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Zs Readings from a 20KVA UPS system
Hi peeps I have been asked to test a 'continuous' 20KVA UPS system. Which means the supply goes through the UPS first, and in effect with loss of...
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3
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5K
Farmelectrics
F
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