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Current rating of BS1363 socket terminals.
- Thread starter winston1
- Start date
Really?
The socket won't be carrying any current.
The terminals might if the conductors aren't touching - difficult for them not to be but make sure they are.
The socket won't be carrying any current.
The terminals might if the conductors aren't touching - difficult for them not to be but make sure they are.
Do you mean 4.0mm²? 4mm is a measurement of length and not a cable size.
I know everyone knew what you meant, but I thought I’d be unnecessarily pedantic and self righteous to see how you like it.
As has been said, the socket certainly won't carry 32A (or anything approaching it). As also said, the conductors connected to the nearest socket could carry up to 32A; the great majority of that current will usually be through the direct contact between the two conductors, but a very small proportion (certainly not enough to give rise to any concern) will travel through the material of the terminal.
Exactly the same can be true at one of the sockets closest to the origin of a very asymmetrically-loaded 2.5mm² ring final circuit. In that case, a short length of the cable will be 'overloaded' (although BS7671 says that design should try to avoid a situation in which this is "likely" to happen for "long periods") - but the situation 'at the terminals' will be the same as for a 4mm² radial circuit.
That is OK. We live and learn. Do you know how to create the small 2 on a Mac or iPhone?
Isn't it under the Ω symbol (then scroll down) above the reply box on the site?
Nothing to do with the device being used.
Nothing to do with the device being used.
Yes, of course it is - but one has to scroll down a fair way for the numeric superscripts.
Even if the superscript were not available, he could at least use some ASCII 'workaround' such as "4 mm^2" or even "4 mm sq" - which one sometimes has to do with some forums etc. - and one even has to do here if one wants a numeric superscript greater than 3.
Kind Regards, John
There's an icon near the top RH corner, a rectangle with a star on the left and horizontal lines on the right, next to the power icon.
Hover over that and click Show Character Viewer. Superscript (and subscript) digits are under Digits.
On a PC (not a Mac) you can enter a load of special characters by pressing and holding the Alt key, typing the ASCII code for the character, the releasing the Alt key. Superscript 2 is Alt-253 - ², superscript 3 is Alt-252 - ³.
True - although, as has been said, that is not necessary for many special characters (like Superscript 2 and Superscript 3) within this forum, since they are available from the drop-down list in the 'reply' window.
HOWEVER, for the benefit of others reading this, what you describe only works if one types the ASCII code using the numeric keypad - it does not work if one uses the 'usual' numbers across the top of the keyboard.
Kind Regards, John
Key words there being "within this forum", using Alt-nnn works everywhere and so is, IMO, a lot more useful.
Damn. I know that and thought of it but forgot to include it. Thanks.
Hmm, not sure I'd call them usual. I only ever use those keys for the the shift characters. Most of the time when I am typing digits I am entering multiple ones and so the numeric keypad is much easier. So even if it was just a single digit I would use the numeric keypad.
Sure, but the question obviously related to posts within this forum.
You're welcome. In fact, I'd forgotten myself until I decided to just check that it did work in this forum's reply box (funny quirks have been known to happen)!
Practices and preferences obviously vary. I personally only switch on the numeric keypad when I am entering numerical data etc. Otherwise, I keep it switched off, because I find it useful (on my laptop) to have the Home/End/PgUp/PgDn keys constantly available - so, for me, the number keys at the top are "the usual"!
Kind Regards, John
I disagree. It was asked on this forum but the question did not limit itself to this forum and @EFLImpudence had already given a solution that was forum specific. I gave a generic solution. I would rather remember a technique that works everywhere than have to try and remember a dozen different techniques for different location.
If you prefer to do the latter you are, of course, welcome to do so. However I don't see that you, or anyone, gains anything from you criticising the information I supplied.
I, almost always, plug a keyboard into my laptop. I would not call what you are talking about a numeric keypad.
Fair enough - that is your prerogative.
I sometimes plug an external numerical keypad into a desktop, but would rarely, if ever, do that with my laptop, since 'I use my laptop as a laptop'. Very few people have external keypads.
Fair enough, but I'm not sure what you would call it, then. The vast majority of our readers will not have external keypads (for any Windows-based device) and will presumably call that part of their keyboard their "numeric keypad".
In any event, as you understand, my point was that, no matter what you call it, that part of their keyboard is what most people will have to use if they want to use the ALT-code method of inserting special ASCII characters.
Kind Regards, John
Totally agree. I have seen those for sale and my recollection is that they cost as much as or more than a standard external keyboard which can be had from an electronics store (a few months ago I would have suggested Maplins) for a few pounds.
My experience is that given the option, everyone will plug in an external keyboard & mouse. I know a number of people that carry an external mouse with their laptop and I have offered a spare keyboard to people and it has been accepted with alacrity along with a comment along the lines of ' I always use one at home'.
If, but only if, they are using a laptop without an external keyboard. That may be what you do and it may even be common practise, but unless you can provide evidence that it is what a significant majority of 'ordinary' (domestic or whatever) users do, it is remarkably arrogant of you to speak on behalf of them and describe what they do and do not do.
In my decades of software development work I very rapidly realised that people do not necessarily do what seems obvious to me. For the 10+ years that I worked on a toolkit type software product I was frequently surprised at what people were using the software to do. When dealing with errors / queries from clients I would frequently speak to the people in a day to day client facing position and ask them questions like 'Is this really what client XYZ is doing?', 'What are they trying to achieve by doing this?', ' Does that work?' and so on.
We changed tack in terms of development a number of times to make it easier for clients to do things that they were were struggling to do things but which we had not even thought of.
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