Writing for Business

Dec 1 2017   7:33PM GMT

Apostrophes with acronyms

Kaitlin Herbert Kaitlin Herbert Profile: Kaitlin Herbert


_______ are common in factory automation, building automation and material handling systems.

a. PLC’s
b. PLCs

Which is correct?

Answer: B

While apostrophes have been used with acronyms in the past, it is a consensus among most major publications of today that plural acronyms should not have apostrophes and simply add S. For example, the plural of CD would be CDs, not CD’s unless it was used as a possessive.

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