Thank you for your videos, I am very much enjoying them, especially having both the theory and the practical "real-world" points you raise during your explanations. Excellent graphics BTW. Have you covered selectivity (discrimination) and cascading for distribution circuits and choosing protective devices that I have missed or, if not, have you any plans to do one?
Thanks for watching Olly, pleased you find the videos useful. I haven't really done anything on discrimination and choosing protective devices, but its something I would like to get round to.
Please i wanna ask a question outside of this video. According to the "On site guide" under cables ans their resistance. It states that 2.5mm² cable has a resistance of 7.41mOhms per metre. So i cut exactly 1m cable and use digital multimeter to measure the resistance and i had 0.00 ohm, but i had 0.50ohms when i used the clamp meter... Please why didn't i get the 7.41mOhms as stated... Or what's the right instrument to use. Thanks
Wow! This is video very informative and the best tutorial on the topic for me so far. I really appreciate it. Thanks for sharing it with us.
I have got what I have been looking out for. Thanks
Great content with excellent explanation, diagrams and look forward to more videos.
Thank you, Appreciate it.
Great to have these worked examples and those Tables will be good for quick reference.Look forward to the Insulation Resistance video.Thanks again.
Thanks Freezefoot, Really pleased you continue to find these videos useful. Working on the IR video as we speak.
Thank you for your videos, I am very much enjoying them, especially having both the theory and the practical "real-world" points you raise during your explanations. Excellent graphics BTW. Have you covered selectivity (discrimination) and cascading for distribution circuits and choosing protective devices that I have missed or, if not, have you any plans to do one?
Thanks for watching Olly, pleased you find the videos useful. I haven't really done anything on discrimination and choosing protective devices, but its something I would like to get round to.
great videos more please
Thanks for watching
0.05 comes from the old style analog testers which could only achieve minimum values in increments of 0.05
Please i wanna ask a question outside of this video. According to the "On site guide" under cables ans their resistance. It states that 2.5mm² cable has a resistance of 7.41mOhms per metre. So i cut exactly 1m cable and use digital multimeter to measure the resistance and i had 0.00 ohm, but i had 0.50ohms when i used the clamp meter...
Please why didn't i get the 7.41mOhms as stated... Or what's the right instrument to use.
Thanks
Please apart from this MFT instrument, which other instrument can be use to determine the resistance value of a cable for for a distance of 1m
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Have you got copies of the tables please ??
Hi Jason, I don't, but will try to get some PDFs up for download, when I figure out how to do that.