That cable is for the UK.
Go to a computer store and buy a power cord. That power cord will fit in your UPS.
I have bought a Corsair CX430 and that also came in with its own power cord. I didn't use that.
As for posting pictures: go to imgur.com and upload your picture on the website
They'll give you a link, such as imgur.com/abcdef
then use [ img][/img] tag and post link inside that.
e.g
The link to the above image is:http://i.imgur.com/8emhYl6.png