ST-19 Flashcards
the purpose of ST-19 is?
To enhance OP-2 by mitigating electrical hazards when working on equipment
What are the 3 electrical hazards?
Arc blast, Arc flash, and shock
Who is responsible for generating the arc flash boundary labels?
Electrical Engineering Service
For the ATPV rating what is CAT1-4 equivalent to
1=2 ,2=4, 3=25, and 4=40
Who is responsible for providing ppe with ATPV ratings?
Supervisors and branch chiefs
FR stands for what?
Fire Resistant
Testing instruments and their accessories shall be rated for
The circuits they are testing …nothing rated less
Testing and troubleshooting are exceptions to do what.
work on live circuits
NFPA 70E requires a JHA when
*Before starting a new day or job
*Worksite conditions change
*If personnel assigned to job changed
What qualifies as energized equipment?
50 volts or above
A clearly marked area where personnel are not required to wear FR clothing.
an Exclusion area
to work on live equipment what are the requirements
-safe work practices are used
-a qualified worker is performing the work
-proper ppe is being worn
How should rubber gloves be taken care of
properly handled/stored, carefully inspected before use, and periodically tested
OSHA states what rule with rubber gloves
they must be replaced every 3 to 6 months
what shall not be worn when working on live equipment?
jewelry or metal