In a 4-20 mA loop spanning 0-100% signal, what do the end points represent?

In a 4-20 mA loop spanning 0-100% signal, what do the end points represent?

• A. 4 mA indicates low end; 20 mA indicates high end.
• B. 20 mA indicates high end.
• C. 4 mA indicates maintenance mode.
• D. 4 mA indicates low end; 20 mA indicates high end.

Answer: (D)