I strongly doubt that the "Lawn Mower" has a fuse, but there should be a fuse in the plug which attaches its lead to the socket-outlet.The isolator does not need to be fused. Your lawn mower (or whatever) already has a fuse.
I strongly doubt that the "Lawn Mower" has a fuse, but there should be a fuse in the plug which attaches its lead to the socket-outlet.The isolator does not need to be fused. Your lawn mower (or whatever) already has a fuse.
You think he is picky??Picky !
I never said the cable size was wrong. I have not seen the amendments, but there has been mention that 1 Milli cable can now be used on "power" circuits. Even if this is not correct, you can use 1.5.If the cable size is wrong (it isn’t, see later reply) it should be corrected, not an irreverent fuse fitted.
You haven’t seen the amendments. Winston hasn’t even seen the regulations, so there’s very little chance of getting the story straightI never said the cable size was wrong. I have not seen the amendments, but there has been mention that 1 Milli cable can now be used on "power" circuits. Even if this is not correct, you can use 1.5.
It IS correct. Table 52.3 now has only one relevant row, and that is "Lighting and power circuits", for which the minimum CSA (for copper conductors) is 1.0 mm².I never said the cable size was wrong. I have not seen the amendments, but there has been mention that 1 Milli cable can now be used on "power" circuits. Even if this is not correct, you can use 1.5.
Liar. Of course I’ve seen the regs.You haven’t seen the amendments. Winston hasn’t even seen the regulations, so there’s very little chance of getting the story straight
So we’re they wrong fit all those years or are they wrong now?It IS correct. Table 52.3 now has only one relevant row, and that is "Lighting and power circuits", for which the minimum CSA (for copper conductors) is 1.0 mm².
Kind Regards, John
As you (should) know, the regulations are not retrospective.So we’re they wrong fit all those years or are they wrong now?
I don't think that there is any 'right' or 'wrong' about it. All I can say is that few, if any, of us could understand the thinking behind the distinction between 'lighting' and 'power' circuits (with different minimum cable CSAs) which used to exist.So we’re they wrong fit all those years or are they wrong now?
Unfair question. It is the same colour as his unicorn.As you (should) know, the regulations are not retrospective.
PS. What colour is the cover of your copy of BS7671?
Presumably seen from a distance, such as on a library shelf. However from your regular incorrect prattling on here it appears you have never looked inside the book.Liar. Of course I’ve seen the regs.
few, if any, of us could understand the thinking behind the distinction between 'lighting' and 'power' circuits
All true, but "So what?". If the a 1.0mm² cable has a CCC which renders it adequately protected by the circuit's OPD, then why should it not be allowed if it happens to be a 'sockets circuit'?my understanding way back in the 1960's was ... Lighting circuits had only hard wired lights, no sockets to plug equipment into .... Power circuits had only sockets for items that had to be plugged into. Nothing hard wired.
I never experienced that, but have often heard it said - but, again, what has that got to do with the minimum CSA of cable in a 'power circuit'?I also have vague recollections that in some houses power and lighting might have had separate meters with the cost of a kWh being more than the cost of a lighting kWh
I recall a terrace of houses with 2 feeds:my understanding way back in the 1960's was
Lighting circuits had only hard wired lights, no sockets to plug equipment into
Power circuits had only sockets for items that had to be plugged into. Nothing hard wired.
Plugging an electric iron into a bayonet lamp holder hanging from a ceiling rose was at odds with the rules
I also have vague recollections that in some houses power and lighting might have had separate meters with the cost of a kWh being more than the cost of a lighting kWh
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