Fuse characteristic

[Skyba]

Hi, I'm currently studying for both my 2394 and 2395 exams and I've been thinking of scenarios to test myself of certain theories, I thought of one where a garage board would be fed with a 13a fuse spur with only a 1.5mm armoured buried under ground. So I started thinking about fuses etc and I know the cable will be protected by the fuse due to the maximum capacity of the armoured but I was looking into the spurs breaking times and I don't know if I'm being plain stupid or not but I cannot find the characteristics of a 13a fuse in appendix 3 of the regs anywhere.

Am I being stupid, I'm sure it exists.

 

[telectrix]

have a look here:

IET Forums - BS 1362 5A Fuses - Max Zs

 

[Richard Burns]

I can't remember where I got it from but this is a possible time current graph for 3A and 13A fuses