The complexity of electrical distribution and control circuits requires the engineer, electrician, or technician to learn a second language: the shorthand language of same term throughout _____________.
Even though many _____________ are similar between electrical-power distribution prints and electrical control prints, many _____________ are unique only to the controlling discipline.
A universal set of symbols that can be used to convey electrical information in a drawing does not exist.
A) none of the answers
B) diagrams; symbols
C) symbols; diagrams
D) symbols; symbols
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