Certified Control System Technicians (CCSTs) calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables.
To measure current in a circuit, without a clamp on probe, you must measure in ______, and the circuit must be _______.
A. parallel, de-energized
B. series, de-energized
C. parallel, energized
D. series, energized
Reference: Goettsche, L.D. (Editor), Maintenance of Instruments and Systems, Second Edition, ISA, 2005.
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