Article 708 first appeared in the 2008 NEC. It provides the requirements for critical operations power systems (COPS). This Article has a large statement of scope [708.1]. Typically, Section 1 of an NEC Article is a short paragraph. In Article 708, it is two slightly beefy paragraphs followed by nine Informational Notes. It is here where we first find COPS defined.
The first paragraph explains to what Art. 708 applies. In that explanation, we find the phrase “designated critic