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Insulation resistance testing 

Residual Electrical
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In this video i run throught the process and theory of insulation ressistance testing to the current regulations in 2022.
The full safe isolation procedure for single phase electrical installations: • Electrical safe isolat...
Grab your copy of GN3 here: amzn.to/3cghfMi
T I M E S T A M P S ⏰
0:00 - Intro
0:48 - Safe isolation
1:48 - Why and how do we do this test?
2:21 - Theory to know before testing
3:45 - Equipment that effects results
4:57 - Disconnecting neutrals
5:17 - Preparing to test
6:27 - Results to expect
7:03 - Setting the tester
7:34 - Test method 1
7:54 - Test method 2
8:04 - Recording the results
9:15 - IR testing on complex installtions
9:34 - Test the whole circuit!
9:47 - How to test a circuit with sensitive equipment
10:22 - Outro
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The works carried out in the video and the opinions shared are my own, and not representative of the associates and companies in the video.
This content is purely for entertainment purposes and is in no way a "how to", tutorial or educational video.
Please consult an electrician when dealing with any electrical installations.
#electricianlife #electrical #electricalengineering

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24 июл 2024

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Комментарии : 31   
@Bespokeelectrics
@Bespokeelectrics Год назад
Cracking video. Even as an experienced spark it was informative and had all the info needed. Keep up the good work mate!
@kevinpearson4505
@kevinpearson4505 Год назад
Pushing loads of your videos to my apprentice 👍🏻👍🏻
@garrybirmingham6147
@garrybirmingham6147 Год назад
Hi Mike, A very comprehensive and informative video on IR testing! Catch you on the next one! Stay safe, keep well. ⚡️👍🙏🏼
@corymac
@corymac Год назад
I wish I had this when I was starting out man. So clear 👏🏼👏🏼👏🏼
@1987kahil
@1987kahil 5 месяцев назад
Thank you. Great video
@Evansallelectrical
@Evansallelectrical Год назад
Great video bro! Hope your enjoying the new meters as much as I am 😎👌⚡️
@ljtr2112
@ljtr2112 Год назад
Recently bought the boddingtons cable knife from loadout. Arrived on time. Superb service mate.
@electricalstuff259
@electricalstuff259 Год назад
Love these!
@bensonchukwu813
@bensonchukwu813 6 месяцев назад
Fantastic video, Mike. I just passed my 2392 practical and theory test after this video. I'll encourage anyone to watch.
@residualelectrical
@residualelectrical 6 месяцев назад
Thats what its all about mate, congrats!
@three-phase562
@three-phase562 Год назад
Very good explanation of the insulation test. 👏👏. I didn't realise the KT66 had a DAR and PI function for the IR, first time I have seen an MFT with that.
@Sparks1Plumbers0
@Sparks1Plumbers0 Год назад
M8. Another banging video 👍. Thanks.
@joshb9657
@joshb9657 Год назад
Test between L-N together & E at 250v anything above 4meg ohms happy days, simples 👍
@Shrampion
@Shrampion Год назад
My favorite tool for fault finding is the toner
@sergiofernandez3725
@sergiofernandez3725 Год назад
Some great information there Mike. What every happened to the lampost issue shown at 10:34 ? Was it water ingress or damp or something else?
@TradieTrev
@TradieTrev Год назад
One thing I've found for fault finding by using an analog IR tester you can see fluctuations much easier than a digital display.
@ethianwebb
@ethianwebb Год назад
when will the veto pro tech pac blackout bags be back in stock?
@calebbrookes7896
@calebbrookes7896 Год назад
Will smoke alarms (obviously mains) or something like a cooker or hob get damaged when testing at 500v?
@nsheehy9953
@nsheehy9953 Год назад
How about ir testing a floor of a multistorey building with other live floors in operation with common risers with ventilation ductwork, copper water pipes , air conditioning copper all bonded from the other floors???
@HaiderAli-ud7nj
@HaiderAli-ud7nj Год назад
Would you be doing a polarity one?
@GeordieSpark
@GeordieSpark Год назад
Can you do a video of your metal munching bag mate
@garylatto4191
@garylatto4191 Год назад
Another great video 👍. What effect on the readings does testing at 250v have rather than 500v ?, ie if tested at 500v and got say 300 or 400ohms would you expect it to be half ?. Still learning cheers
@JIBS.
@JIBS. Год назад
I'd be slightly worried if I got 300 of 400ohms.
@three-phase562
@three-phase562 Год назад
On a good installation, then testing at 250V or 500V should have a negligible effect on the reading. If you have a fault in the insulation or it is damp etc, then increasing the test voltage will likely give a lower reading. That effect will be exaggerated if you step it up to 1000V. The only thing to be aware of is that some circuits get charged by an insulation test. If you carry out multiple IR tests on this type of circuit in quick succession, then you may get a higher reading as the following test just builds up the charge created by the previous test. For these circuits you have to ensure that they are discharged between tests.
@garylatto4191
@garylatto4191 Год назад
@@three-phase562 thanks for replies appreciated 👍. So testing at 500v or 250v results on a said circuit should be about the same results. Was just curious due to the lower test voltage. Thanks again for doing the vids 👍
@ionutth4895
@ionutth4895 Год назад
Please sir i need to know where can i get that book you are showing regulations and pictures from, is it the BS requirements for electrical installations for UK? 2018? 2022 ? where can i find it?
@ionutth4895
@ionutth4895 Год назад
I need the one showing methods of testing and pictures, the one that you have its very important for me thanks.
@Dogandhorselover
@Dogandhorselover Год назад
@@ionutth4895 The book is (GN3) Guidance note 3 latest edition is yellow cover with brown strip at bottom
@ELECTRICLIFE4U
@ELECTRICLIFE4U Год назад
👍👍👍👍👍
@mikethemask1525
@mikethemask1525 Год назад
Good video as always Mike. Very interesting. I see your using a few Dewalt tools now you cheating on Milwaukee 😂
@HeathenGeek
@HeathenGeek Год назад
😃
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