ST-19 Flashcards
WHAT IS THE PURPOSE OF ST-19
TO ENHANCE SAFE WORKING CONDITIONS ESTABLISHED BY OP-2 AND OTHER DOCUMENTS AND ASSES AND MITIGATE RISKS OF SHOCK, ARC FLASH AND ARC BLAST
WHAT ARE 3 ELECTRICAL HAZARDS
SHOCK, ARC FLASH, AND ARC BLAST
WHO IS RESPONSIBLE FOR WARNING LABELS
ELECTRICAL ENGINEERING SERVICES
WHO IS RESPONSIBLE FOR PROVIDING PPE
SUPERINTENDENT/BRANCH CHIEF/SUPERVISOR
CAN YOU USE A NON-RATED FACE SHIELD FOR ELECTRICAL WORK
NO
WHAT DOES FR STAND FOR
FLAME RESISTANT
TESTING INSTRUMENTS AND THEIR ACCESSORIES SHALL BE?
RATED FOR THE CIRCUITS AND EQUIPMENT TO WHICH THEY WILL THEY WILL BE CONNECTED TO
WHAT IS THE LIMITED APPROACH BOUNDARY?
IT CAN BE CROSSED BY A QUALIFIED WORKER, AND AN UNQUALIFIED WORKER W/ PROPER PPE AS LONG AS THE UNQUALIFIED WORKER IS MADE AWARE OF THE HAZARDS AND ESCORTED BY THE QUALIFIED WORKER
RESTRICTED APPROACH BOUNDARY
CANNOT BE CROSSED BY AN UNQUALIFIED WORKER.
NO UNINSULATED PART OF THE QUALIFIED WORKER’S BODY MAY CROSS THE RAB
WHO IS PERMITTED TO SAFELY TEST OR TROUBLESHOOT ENERGIZED CIRCUITS OR EQUIPMENT?
QUALIFIED WORKER
WHAT IS REQUIRED BY THE NFPA 70E BEFORE THE START OF EACH DAY?
A JHA
WHEN WOULD A NFPA 70E JHA BE REQUIRED?
BEFORE THE START OF WORK EACH DAY, IF WORK SITE CONDITIONS CHANGE, IF PERSONNEL ASSIGNED TO THE JOB CHANGE
TREAT ALL EXPOSED LOW VOLTAGE ELECTRICAL EQUIP.
AS ENERGIZED UNTIL TESTED & PROVEN DE-ENERGIZED BY A QUALIFIED PERSON
WHAT IS AN EXCLUSION AREA?
A CLEARLY MARKED AREA WHERE PERSONNEL ARE NOT REQUIRED TO WHERE FR PPE
WHO IS ALLOWED TO WORK ON ENERGIZED EQUIP.?
QUALIFIED WORKERS
FR RUBBER GLOVES AND TOOLS MUST BE?
INSPECTED BEFORE EACH USE
ACCORDING TO OSHA HOW OFTEN MUST GLOVES BE TESTED
EVERY 6 MONTHS
WHICH CLASS OF GLOVES DO YOU WEAR FOR 120 VOLTS
CLASS 00
WHAT SHOULD BE REMOVED BEFORE WORKING WITH ENERGIZED EQUIP?
JEWELRY
ENERGIZED EQUIP. IS ANY EQUIP. WITH HOW MANY VOLTS?
50 VOLTS
THE RATING FOR HAZARD RISK CATEGORY 2 IS
8 CAL/CM2
NFPA70E IS?
CONSIDERED THE INDUSTRY STANDARD FOR ELECTRICAL WORK IN THE WORKPLACE
HOW MUCH HEAT IS PRODUCED FROM AN ARC FLASH
4X’S THE SURFACE TEMP. OF THE SUN
HOW MANY (mA) CAUSES HEART FIBRILLATION?
100mA
WHAT SHOULD BE WORN OVER FR RUBBER GLOVES?
LEATHER PROTECTOR GLOVES TO PROVIDE MECHANICAL PROTECTION FROM CUTS, ABRASIONS, ETC.
WHAT ARE THE APPROACH BOUNDARIES FOR 480V
MOVABLE- 10’
FIXED- 3’ 6”
