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| Multimeter CAT II Rating Discontinuation |
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| J-R:
--- Quote from: mendip_discovery on July 24, 2023, 09:03:57 pm ---Anyway you can touch 120V and I can confirm it hurts just as much as 230V. --- End quote --- The fact remains that a higher voltage translates to higher current flow through the body, which is more dangerous. To date I've personally never heard of anyone being electrocuted at their house, but I know a handful that have been electrocuted by trees near overhead power lines. There was actually one just up the road from my house a few months ago. In that specific case, the homeowner wasn't actually cutting the tree down, it fell on the line during a storm. The homeowner walked near the tree to investigate and was electrocuted. |
| Someone:
--- Quote from: Fungus on July 24, 2023, 01:26:11 pm --- --- Quote from: Someone on July 24, 2023, 09:31:23 am ---Says the person who didn't understand the delineation and was adding further confusion to people trying to understand it --- End quote --- Please tell us all if this outlet is CAT II or cat III: --- End quote --- Really? you want to continue this again and again and again? https://www.eevblog.com/forum/testgear/trashy-meters-redux/msg4832993/#msg4832993 https://www.eevblog.com/forum/testgear/is-cat-ii-a-useful-rating/msg4833239/#msg4833239 Keep pretending like you are clever and I'll point out that you're just being a troll. The first one of those links is referenced and freely available, but you look the other way and continue to add confusion and misinformation on the matter. The standards are extremely clear on where the different Measurement Categories apply, every single socket outlet is CAT III, things that plug into it are CAT II. |
| bdunham7:
--- Quote from: Someone on July 24, 2023, 11:12:19 pm ---The standards are extremely clear on where the different Measurement Categories apply, every single socket outlet is CAT III, things that plug into it are CAT II. --- End quote --- Your own linked reference doesn't say that. Category: 2/ Energy level: Low/ Fault current: <5kA/ Applications: Home and office power outlets and lighting circuits You might claim that 'outlets' excludes the wiring to them, but I don't see that 'clearly' anywhere and I've seen other reputable sources claim otherwise. Also, at least here in the US, home 'lighting' circuits are indistinguishable from 'outlet' circuits. On fused outlets you can obviously see that the risks change between one side of the socket and the other, but for unfused outlets such as are universal here, there isn't any real difference from the front to the back of an outlet. |
| coppice:
--- Quote from: Nusa on July 24, 2023, 09:31:34 pm ---230V -6% / +10% never meant changing to 230V. It just meant any voltage between 216.2V and 253V is within spec. The prior UK spec was 240V +/- 6%, or 225.6V to 254.4V, which meant nearly everything was already in compliance from the get-go. Ditto for rest of the EU, at their prior nominal voltages. --- End quote --- In North London, where I grew up, our mains was generally about 260V at night, and 250V during the day. If you go much beyond that a lot of equipment has MOVs that get quite warm. Its important to know the real world limit for protection design. |
| Fungus:
--- Quote from: Someone on July 24, 2023, 11:12:19 pm ---The standards are extremely clear on where the different Measurement Categories apply, every single socket outlet is CAT III --- End quote --- WRONG. From the post on the previous page of this thread: That reference has been posted here a million times. You'd think people would have read it by now. :-// --- Quote from: Someone on July 24, 2023, 11:12:19 pm --- --- Quote from: Fungus on July 24, 2023, 01:26:11 pm ---Please tell us all if this outlet is CAT II or cat III: --- End quote --- Really? you want to continue this again and again and again? Keep pretending like you are clever and I'll point out that you're just being a troll. The standards are extremely clear on where the different Measurement Categories apply, every single socket outlet is CAT III, things that plug into it are CAT II. --- End quote --- :palm: |
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