the LED modules were disconnected, but the AC/DC adapters were still connected to the supply, they are sensitive to input voltage, they normally operate at 90 - 240 Vac, 500 dc IR voltage supplied exceeds the specification, it may damage the PTC inside the adapter which connect across the ac terminal
Can you still test via the Earth/neutral bar in a full board with other circuits. Or do you need to remove the conductors to test the circuit individually? Thanks
Leave them all connected but you will need to disconnect the ring circuit as it’s on an RCBO. But please remember if you’re testing the ring circuit disconnected from the RCBO you must keep the cpc’s in the earth bar during the test
Hey gaz hope your well love the videos mate reminds me of my college tutor a few years a go very informative, I done my am2 few years ago now doing my 2391-52 inspection testing when I done my Am2 few years back they told me to operate the 2 way and intermediate 7 times and you say 4 times, why did they say 7 times and you say 4 times I trust you tbh mate but 7 times would cover the 4 times in any case, but I'm curious why the 7 times turning the switches on and off, is it to cover all scenarios in exam conditions? Also the 2 way intermediate can only work from 4 diffrent switching arrangement right? On on on (arrangement 1) On off off (arrangement 2) Off on off (arrangement 3) Off off on (arrangement 4)
Gaz throwing 500 v DC through the LEDs won’t damage them at all , Nick Bundy tested that theory and the LEDs were fine JW also tested the theory on a smoke alarm at a 1000vDC and again it was fine. The only real reason to remove the load’s is so you don’t get skewered readings. But I agree we should always remove all load’s , that’s how we have always done IR testing. Also doesn’t amendment 2 require use to test at 250 v DC first to make sure there is no load’s in circuit. I believe that if you want accurate test results then get into the habit of removing all load’s . Or you may have to go back and test it all again . Who am I to argue i’am just a humble spark who’s opinion means nothing. Fantastic video nice and clear explanation and demonstration.👍 Fantastic video as always Gaz👍👍
As stated in the video this is how to carry the test out for AM2 and AM2S. What other channels do on UA-cam is up to them. YOU ARE NOT TO RECORD ANY 250 VOLTS INSULATION RESISTANCE TESTING ON AM2 or AM2S END POINT ASSESSMENT. The test is carried out at 500 volts DC.
I don't get it . Why we have to repeat 3 test again ? I don't think we need a reading between L /N for the two way and intermediate switching ! L/E should be enough for the two way and the intermediate ...
Do you Know Which Conductors Need to be Connected During the Insulation Resistance Test?
ua-cam.com/video/WXFMNbuFOTA/v-deo.html
L E
L N
E N
seriously love the video's they are a great help 👍
Massive thanks for the support 👍🏻
I love your videos very informative and helpful. Keep it up you are really helping us.
Thanks for the fantastic message 👍🏻
Sir hats off for this brilliant vlog
Thanks
Excellent 👍
Thanks 👍🏻
the LED modules were disconnected, but the AC/DC adapters were still connected to the supply, they are sensitive to input voltage, they normally operate at 90 - 240 Vac, 500 dc IR voltage supplied exceeds the specification, it may damage the PTC inside the adapter which connect across the ac terminal
Can you still test via the Earth/neutral bar in a full board with other circuits. Or do you need to remove the conductors to test the circuit individually? Thanks
Also interested in this. Can you do Global IR on AM2?
You can do a global IR test but you do have one circuit (ring) on an RCBO so you cannot pass 500 volts DC through that item 👍🏻
Leave them all connected but you will need to disconnect the ring circuit as it’s on an RCBO. But please remember if you’re testing the ring circuit disconnected from the RCBO you must keep the cpc’s in the earth bar during the test
Do you Know Which Conductors Need to be Connected During the Insulation Resistance Test?
ua-cam.com/video/WXFMNbuFOTA/v-deo.html
Hey gaz hope your well love the videos mate reminds me of my college tutor a few years a go very informative, I done my am2 few years ago now doing my 2391-52 inspection testing when I done my Am2 few years back they told me to operate the 2 way and intermediate 7 times and you say 4 times, why did they say 7 times and you say 4 times I trust you tbh mate but 7 times would cover the 4 times in any case, but I'm curious why the 7 times turning the switches on and off, is it to cover all scenarios in exam conditions? Also the 2 way intermediate can only work from 4 diffrent switching arrangement right?
On on on (arrangement 1)
On off off (arrangement 2)
Off on off (arrangement 3)
Off off on (arrangement 4)
your correct with the 7 tests, once you operate the last switch you should then work your way back to the first switch so your covering all conductors
Do u need to remove L from MCB and N - E out the bars before testing for the AM2, as GN3 shows them disconnected
I was thinking this too. Surely easiest way it to croc clip onto two at a time than putting it in the mcb ans bus bar each time
Why didn’t you get a dead short through the lamp when operating the switches? We’re they not connected?
The lamps were not connected, first 15 seconds of the video, did you watch it from the beginning?
what happens if you cannot disconnect all leds and other sensitive equitment can i use 250v?
Yep - but this is a new installation so you have to test at 500 volts 👍🏻. Thanks for commenting and watching. Gaz
The video is only available with the link mate.
Yep I have over 50 videos not public but available in playlists - rewarding my followers 👍🏻… free access and not paid 🦾💕🤣
@@GSHElectrical ahhh got ya makes sense now
can you not just bunch test and then operate the switches?
Gaz throwing 500 v DC through the LEDs won’t damage them at all , Nick Bundy tested that theory and the LEDs were fine JW also tested the theory on a smoke alarm at a 1000vDC and again it was fine. The only real reason to remove the load’s is so you don’t get skewered readings. But I agree we should always remove all load’s , that’s how we have always done IR testing. Also doesn’t amendment 2 require use to test at 250 v DC first to make sure there is no load’s in circuit. I believe that if you want accurate test results then get into the habit of removing all load’s . Or you may have to go back and test it all again . Who am I to argue i’am just a humble spark who’s opinion means nothing.
Fantastic video nice and clear explanation and demonstration.👍
Fantastic video as always Gaz👍👍
As stated in the video this is how to carry the test out for AM2 and AM2S. What other channels do on UA-cam is up to them. YOU ARE NOT TO RECORD ANY 250 VOLTS INSULATION RESISTANCE TESTING ON AM2 or AM2S END POINT ASSESSMENT. The test is carried out at 500 volts DC.
I don't get it .
Why we have to repeat 3 test again ?
I don't think we need a reading between L /N for the two way and intermediate switching !
L/E should be enough for the two way and the intermediate ...
Great video but you called the earth bar neutral bar and the neutral bar earth bar 😂
I have to ask this but are you really that bad at darts or have you got an infestation of wood worm looking at that board 🤣😂
🤣🤣🤣