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Student & Learning Zone - City & Guilds
Is Your Selected Cable Suitable?
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<blockquote data-quote="apprentice87" data-source="post: 345483" data-attributes="member: 13534"><p>Just to add to what Manator just wrote; I have lost could of the number of idiots that have said to me; [in a none electrical field though]</p><p></p><p><strong>"bits of paper do not mean anything, it is whether you can do the job that counts"</strong></p><p></p><p>I would re-phrase that, to state what they REALLY mean; <strong>" I have not actually passed any exams and so you have "touched a nerve"</strong></p><p></p><p>You can have all the experience you like; You will STILL be complete rubbish, dangerous in fact, unless you ALSO possess the "underpinning knowledge" [to use a modern term!] to know <strong>WHY</strong> you are doing what you are doing.</p><p></p><p>Anyone that believes "all they learned at college does not mean anything in the real world" might as well not have gone in the first place. They are just as dangerous as 5WW's more so in fact, BECAUSE THEY TRULY BELIEVE THAT THEY KNOW WHAT THEY ARE DOING.</p><p></p><p>Only thing i would say is though Manator, where you say;</p><p></p><p>"A breaker MCB, RCD or RCBO should be sized according to the correction factors for the cable and protect the cable from damage due to over heating for example"</p><p></p><p>Do you not mean that the OCPD [MCB etc] is selected according to the load, and then the correction factors are applied to the CABLE in order to arrive at the correct size.. [of cable] and not the other way about...</p><p></p><p>Good post manator...</p><p></p><p>john...</p></blockquote><p></p>
[QUOTE="apprentice87, post: 345483, member: 13534"] Just to add to what Manator just wrote; I have lost could of the number of idiots that have said to me; [in a none electrical field though] [B]"bits of paper do not mean anything, it is whether you can do the job that counts"[/B] I would re-phrase that, to state what they REALLY mean; [B]" I have not actually passed any exams and so you have "touched a nerve"[/B] You can have all the experience you like; You will STILL be complete rubbish, dangerous in fact, unless you ALSO possess the "underpinning knowledge" [to use a modern term!] to know [B]WHY[/B] you are doing what you are doing. Anyone that believes "all they learned at college does not mean anything in the real world" might as well not have gone in the first place. They are just as dangerous as 5WW's more so in fact, BECAUSE THEY TRULY BELIEVE THAT THEY KNOW WHAT THEY ARE DOING. Only thing i would say is though Manator, where you say; "A breaker MCB, RCD or RCBO should be sized according to the correction factors for the cable and protect the cable from damage due to over heating for example" Do you not mean that the OCPD [MCB etc] is selected according to the load, and then the correction factors are applied to the CABLE in order to arrive at the correct size.. [of cable] and not the other way about... Good post manator... john... [/QUOTE]
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