What is the purpose of labeling the temperature range on electrical equipment used in a Class I hazardous area?

• A.To verify the process temperature and the equipment temperature have the same Class I rating
• B.To ensure that the equipment maximum temperature does not exceed the autoignition temperature of the specific gas or vapor to be encountered
• C.To ensure the equipment is compatible with the other Class I devices
• D.To verify the maximum process temperature does not exceed high levels

Comment: *

Name: *

Email: *

Verification: *

During the course of manufacturing the supplier/vendor may propose design changes that could impact cost, schedule and/or quality. In such cases, the source inspector should:

• A.prepare a summary of the changes made for inclusion in their report and subsequent action by the purchaser.
• B.request that the supplier/vendor develop a cost/benefit analysis for review and approval by the inspector.
• C.prepare a cost/benefit analysis in order to justify their acceptance or rejection of the proposed changes.
• D.request that the supplier/vendor propose such changes in writing for review by the purchaser.

Comment: *

Name: *

Email: *

Verification: *

During switchgear source inspection, which item must be verified to prevent opening a medium-voltage door when the isolation switch handle is in the full ON position?

• A.Space heater thermostat
• B.Meter accuracy class
• C.CT polarity marking
• D.Door interlock operation

Comment: *

Name: *

Email: *

Verification: *

Areas where ignitable concentrations of flammable gases or vapors are present continuously or for long periods of time are classified as:

• A.Class I Zone 0.
• B.Class I Zone 1.
• C.Class I Division 2.
• D.Class I Zone 2.

Comment: *

Name: *

Email: *

Verification: *

A qualified person, as defined by NFPA 70E, is a person:

• A.designated by the authority having jurisdiction as an electrician, electrical technician, electrical supervisor or electrical engineer.
• B.who has taken the national electrical safety certification and received the certificate.
• C.with a 2 year associate degree in electrical technology or electrical engineer or the IBEW equivalent.
• D.who has demonstrated skills related to the operation of electrical equipment and received safety training to identify and avoid the hazards.

Comment: *

Name: *

Email: *

Verification: *