Red Seal Instrumentation And Control Technician Practice Questions - Red Seal Instrumentation And Control Technician (Interprovincial) Exam

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An intrinsically safe (IS) loop limits energy in a hazardous area. The device installed in the safe area that limits the voltage and current passed into the hazardous area is called a:

Surge arrestor Zener barrier or galvanic isolator Signal repeater Loop calibrator

Correct Answer:

Zener barrier or galvanic isolator

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