NFPA 70E
What chapter of NFPA 70E addresses Safety-Related Maintenance Requirements.
Chapter 1
Chapter 2
Chapter 3
Informative Annexes
Cutting, removing, or rerouting of conductors is addressed in which of the following sections in NFPA 70E?
110.2
120.4(A)
130.12
210.7(B)
Which type of OCPD has a typical clearing time of 0.5 cycles or less?
Current Limiting Fuse
MCCBs
ICCBs
LVPCBs
Arc Flash Analysis
Incident Energy Analysis
Evaluation of Existing Conditions
Shock Hazard Analysis
According to NFPA 70E 225.3, if a circuit breaker has interrupted a fault approaching its interrupting rating, what should happen to the circuit breaker before the circuit is reset?
The CB Should Be Cleaned
The CB Should Be Inspected And Tested
The CB Should Be Replaced
The CB Should Be Subject To Infrared Thermography
What Annex of NFPA 70E is titled Guidance on Selection of Protective Clothing and Other Personal Protective Equipment.
Annex D
Annex H
Annex F
Annex J
What is the limited approach boundary distance for an overhead line conductor operating at 480 volts, nominal?
1'
5'
10'
12'
Which OCPD trip type is intended for very high fault current conditions causing the circuit breaker to open without an intentional delay? The exact speed will depend on the design. This trip current pickup setting can be fixed or adjustable.
Long Time Trip
Instantaneous Trip
Short Time Trip
Energy Reducing Maintenance Switching Trip
The state of the electrical equipment considering the manufacturers’ instructions, manufacturers’ recommendations, and applicable industry codes, standards, and recommended practices, defines what?
Condition Of Maintenance
OSHA's Maintenance Covenant
The Manufacturer's Equipment Warranty
Westinghouse's Law of Maintenance
What type of OCPD does not require maintenance other than visual examination and ensuring that there is no damage from external thermal conditions, liquids, or physical abuse.
Circuit Breakers
Protective Relays
Current Limiting Fuses
Vacuum Interrupters
When the arc flash PPE category method is used for the selection of arc flash PPE, the requirements of what section shall apply?
90.2(C)(15)
90.2(B)(4)
130.7(B)(4)
130.7(C)(15)
Personal and other protective equipment required by NFPA 70E to safely perform the assigned task and to protect against a shock hazard, must be included on a what?
Arc flash analysis
Energized electrical work permit
Risk assessment
Evaluation of existing conditions
Which OCPD trip type is a newer feature intended to reduce the incident energy exposure if an arcing fault incident occurs while a worker is working on exposed energized conductors? Some can be activated remotely and some can be activated at the faceplate of the circuit breaker.
Energy Reducing Maintenance Switching Trip
Instantaneous Trip Type
Short Time Trip
Long Time Trip
What section of NFPA 70E requires an employer's electrical safety program to include consideration for condition of maintenance of the electrical equipment and systems?
105.3(C)(15)
110.5(C)
205.7(C)
220.6(A)(7)
What chapter of NFPA 70E addresses Safety Requirements for Special Equipment?
Chapter 3
Chapter 2
Chapter 1
What article of the NFPA 70E covers work involving four hazards caused by either proximity or equipment failure.
Article 130
Article 120
Article 210
Article 220
Which OCPD trip type is intended for overcurrents that can persist for many seconds to minutes without damaging the conductors or electrical equipment and is considered overload and low-level fault protection?
Energy Reducing Maintenance Switching Trip
Instantaneous Trip
Long Time Trip
Short Time Trip
What publication provides some frequency of maintenance guidelines as well as guidelines for setting up an electrical preventive maintenance program, including sample forms and requirements for electrical system maintenance.
NFPA 70
NFPA 70B
NFPA 70E
NFPA 101
What article of NFPA 70E addresses General Maintenance Requirements?
90
110
205
215
What must be performed by the employer before cutting or drilling into a floor where electrical contact is a possible hazard?
Arc flash analysis
Risk assessment
Existing conditions evaluation
Shock hazard investigation
What is the maximum ampere rating that panelboards are available in?
1,200A
2,500A
3,000A
6,000A
What section of the NFPA 70E requires a circuit breaker that has interrupted a fault approaching its interrupting rating to be inspected and tested in accordance with the manufacturer's instructions.
225.1
225.2
225.3
225.4