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AutoQuiz: Industrial Applications for Nonincendive-Rated Field Wiring

The post AutoQuiz: Industrial Applications for Nonincendive-Rated Field Wiring first appeared on the ISA Interchange blog site.

AutoQuiz is edited by Joel Don, ISA’s social media community manager.

 

Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information systems, systems integration, and operational consulting. Click this link for more information about the CAP program.

Nonincendive-rated field wiring is allowed to be used in which of the following combinations of hazardous area classifications?

a) Class 1, Division 2 and Class 1, Zone 0
b) Class 1, Division 1; Class 1, Division 2; Class 1, Zone 1 and Class 1, Zone 2
c) Class 1, Division 2; Class 1, Zone 1 and Class 1, Zone 2
d) Class 1, Division 2; Class 1, Zone 2 and Non-hazardous
e) none of the above

   

<span class="collapseomatic " id="id6100" tabindex="0" title="Click Here to Reveal the Answer” >Click Here to Reveal the Answer

Nonincendive is allowed in Class 1, Division 2; Class 1, Zone 2, and Non-hazardous rated areas. Use in higher hazard areas, such as Division 1, Zone 1, or Zone 0 areas, is not allowed.

The correct answer is D.

Reference: NFPA 70, National Electrical Code 2005 or 2008.


Source: ISA News