Current Carrying Capacity Cables

[vbyrne]

Hello, I was just looking for some help with the above subject with looking up the tables for the various protective device and finding the values of C connected with CCCC. I was looking for the rating factor for a BS88 fuse and I found at least 2 different tables the difference being that there were different systems B,C etc this was con fusing as I did not know what table to use . I was just wondering was there a resource out there other than the 7671 that covered this subject and also what are these different systems,
cheers.

 

[telectrix]

CCC rating for cables in BS7671 and OSG. that value is Iz. your design current is Ib. the fuse/MCB rating is In. as long as Ib<In<Iz, then you have your values.

 

[Badged01]

CCC rating for cables in BS7671 and OSG. that value is Iz. your design current is Ib. the fuse/MCB rating is In. as long as Ib<In<Iz, then you have your values.

Be careful there Tel or you're start giving the impression you know what you're doing and they'll be having you as a trainee mentor ......

 

[telectrix]

i am one already.

 

[Badged01]

i am one already.

No rest for the wicked .....

 

[shanky887614]

No rest for the wicked .....

this forum is evil, even the resident wetpants knows more than the average Electrical Trainee XD

 

[Knobhead]

I’m not allowed in there because I refuse to help the Electrical Trainee’s