What is a primary goal of integrating protective devices into system design to
mitigate electrical hazards?
Choose an answer
To reduce the overall cost of the To promptly detect and isolate electrical
1 2
electrical installation faults
To ensure the system operates at To allow for easier troubleshooting of
3 4
maximum efficiency under normal load minor operational issues
Don't know?
Terms in this set (60)
When applying the requirements for test instruments and qualified persons.
equipment, NFPA 70E states that only ? shall perform tasks such
as testing, troubleshooting, and voltage measuring on electrical
equipment where an electrical hazard exists.
When selecting OCPDs for installation, what factor is crucial in Choosing devices with fast fault-clearing times
mitigating arc-flash hazards?
, Which region of the time-current characteristic (TCC) curve for a Instantaneous region
circuit breaker is leveraged by the ERMS technology?
Electrical hazard is defined as a dangerous condition such that ? contact or equipment failure
can result in electric shock, arc flash burn, thermal burn, or arc
blast injury.
When working downstream of a circuit breaker installed in Category 4
switchgear, which PPE category is the lowest possible when
applying the PPE category method?
Which of the following set points for an electronic trip does not Short-time delay pickup up
relate to the clearing time only of the circuit breaker?
The typical clearing time for a low-voltage power circuit breaker 30 cycle
without an instantaneous trip function is which of the following?
If signs and barricades do not provide sufficient warning and as long as there is a potential for employees to be exposed
protection from electrical hazards, an attendant shall be
stationed to warn and protect employees. The primary duty and
responsibility of an attendant providing manual signaling and
alerting shall be to keep unqualified employees outside a work
area where the unqualified employee might be exposed to
electrical hazards. An attendant shall remain in the area ? to the
electrical hazards.
Providing enough working space for an Electrical Worker is a Likelihood
method to reduce which of the following components of risk?
mitigate electrical hazards?
Choose an answer
To reduce the overall cost of the To promptly detect and isolate electrical
1 2
electrical installation faults
To ensure the system operates at To allow for easier troubleshooting of
3 4
maximum efficiency under normal load minor operational issues
Don't know?
Terms in this set (60)
When applying the requirements for test instruments and qualified persons.
equipment, NFPA 70E states that only ? shall perform tasks such
as testing, troubleshooting, and voltage measuring on electrical
equipment where an electrical hazard exists.
When selecting OCPDs for installation, what factor is crucial in Choosing devices with fast fault-clearing times
mitigating arc-flash hazards?
, Which region of the time-current characteristic (TCC) curve for a Instantaneous region
circuit breaker is leveraged by the ERMS technology?
Electrical hazard is defined as a dangerous condition such that ? contact or equipment failure
can result in electric shock, arc flash burn, thermal burn, or arc
blast injury.
When working downstream of a circuit breaker installed in Category 4
switchgear, which PPE category is the lowest possible when
applying the PPE category method?
Which of the following set points for an electronic trip does not Short-time delay pickup up
relate to the clearing time only of the circuit breaker?
The typical clearing time for a low-voltage power circuit breaker 30 cycle
without an instantaneous trip function is which of the following?
If signs and barricades do not provide sufficient warning and as long as there is a potential for employees to be exposed
protection from electrical hazards, an attendant shall be
stationed to warn and protect employees. The primary duty and
responsibility of an attendant providing manual signaling and
alerting shall be to keep unqualified employees outside a work
area where the unqualified employee might be exposed to
electrical hazards. An attendant shall remain in the area ? to the
electrical hazards.
Providing enough working space for an Electrical Worker is a Likelihood
method to reduce which of the following components of risk?
