CAB-PWR-C14-C15 vs CAB-C15-CBN

[jimmychia]

hi all,

may i know what is the difference between the power cords of above two part numbers?

can i use any of them to power up 3850 switches?

even though they looked alike, any technical difference between the two?

https://www.google.com.sg/search?q=cisco+cab-pwr-c14-c15&rlz=1C1LENP_enSG580SG580&espv=2&biw=1366&bih=677&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiH0r-I8IDKAhWHBI4KHc7vAug4RhD8BQgGKAE#imgrc=IayeM7TfhGiOKM%3A

jimmy

[shillings]

I always spec 'CAB-C15-CBN' which is listed against various 3850 models on Cisco's ordering tool.

Never heard of 'CAB-PWR-C14-C15' and it's not listed on the ordering tool, here in the UK at least.

[promontorium]

I only recently learned this while having to replace a bunch of switches and running out of cables. Most of the older Cisco switch power cords have C13 ends that plug into the switch, with the normal 3 prong wall plug on the other end. Newer Cisco switches use C15 ends. They look just like C13 except there's a notch (can google for images, easy to see diff). This prevents the older C13s from being plugged into C15 specific switches because they put a "key" or tab in the way that only the notched C15 fits. 
C14 is the male end that can fit either C13 or C15. C14 is what is built into the switch. 

A cable that is C14-C15 is going to be the wrong cable because you need either C13 or C15 on one end, then the normal 3 prong wall plug (designated 5-15). Every Cisco switch power cord I've seen has a 5-15 on one end and either a C13 or C15 on the other.