I\\\'m an eager (some may say ignorant) novice trying to add two new MCBs to my exiting Wylex consumer unit for the purpose of accomodating new appliances in a kitchen. The existing MCBs are Wylex type 2. I have found various references to Type B and Type 16 but none for Type 2 and no pictures that look the same as my existing MCBs. Can the Type B & 16 be used in my consumer unit? Any advice would be welcome and I can supply photos if necessary.