Appendix Flashcards
Transformer
A CHARGE OF OVER 50,000 VOLTS CAN BUILD UP WHEN OIL IS PUMPED THROUGH A FILTER PRESS AND HOSE INTO A TRANSFORMER, AND IT IS POSSIBLE FOR THIS CHARGE TO DEVELOP ACROSS THE WINDINGS. BEFORE PUMPING OIL INTO A DE-ENERGIZED TRANSFORMER, ALL WINDINGS, TANKS, PUMPS, AND FILTER APPARATUS MUST BE ELECTRICALLY BONDED TO A COMMON GROUND.
BEFORE OIL IS CIRCULATED IN ENERGIZED TRANSFORMERS, THE TRANSFORMER TANK, PUMP AND FILTER APPARATUS MUST BE ELECTRICALLY BONDED TO A COMMON GROUND.
DO NOT OPEN THE SECONDARY CIRCUIT OF AN ENERGIZED CURRENT TRANSFORMER.
DO NOT SHORT-CIRCUIT AN ENERGIZED POTENTIAL TRANSFORMER.
DO NOT APPLY VOLTAGE TO A DE-ENERGIZED SECONDARY CIRCUIT OF A POTENTIAL TRANSFORMER WITHOUT BEING SURE THE PRIMARY IS IN THE CLEAR.
Power generation
ENTRANCES TO HIGH VOLTAGE EQUIPMENT OR OPEN BUS MUST BE KEPT CLOSED. ONLY EXPERIENCED PERSONS, PERFORMING THEIR DUTIES, SHALL ENTER CUBICLES CONTAINING ELECTRICAL EQUIPMENT.
ALL ELECTRICAL EQUIPMENT, INCLUDING TEMPORARY INSTALLATIONS, MUST BE PROPERLY GROUNDED.
ONLY DESIGNATED PERSONNEL SHALL OPERATE PLANT EQUIPMENT AND THEY ARE RESPONSIBLE FOR OPERATING IN A MANNER TO ASSURE THE SAFETY OF PERSONNEL AND EQUIPMENT.
PERSONS ENTERING TANKS, SUMPS, TUNNELS OR SIMILAR ENCLOSURES MUST USE THE NECESSARY SAFETY EQUIPMENT.
PLANT EQUIPMENT REMOVED FROM SERVICE FOR INSPECTION OR MAINTENANCE SHALL BE ISOLATED, CLEARED FROM ALL SOURCES OF ENERGY AND TAGGED ACCORDING TO ESTABLISHED PROCEDURES. CLEARANCES SHALL BE ISSUED ONLY TO PERSONS WHOSE NAMES APPEAR ON CURRENT CLEARANCE LISTS.
CONFINED SPACES WHICH HAVE BEEN OPENED FOR INSPECTION OR MAINTENANCE SHALL NOT BE CLOSED UNTIL AN INSPECTION HAS BEEN MADE TO ASSURE THAT ALL PERSONNEL AND EQUIPMENT ARE ACCOUNTED FOR.
DO NOT DUMP PLANT WASTES, OIL OR OTHER FLAMMABLE OR HAZARDOUS MATERIAL IN DRAINS OR SUMPS. TO DO SO CAN CREATE A FIRE HAZARD AND CONTAMINATE THE RIVER.
INSTALL AND MAINTAIN TEMPORARY BARRIERS AROUND UNATTENDED OPENINGS IN DECKS, FLOORS, GRATINGS, ETC. WHEN NORMAL BARRIERS, SUCH AS GUARD RAILS, FLOOR GRATINGS, HATCH COVERS, DECK PLATES, ETC. ARE REMOVED DURING INSPECTION AND MAINTENANCE.
APPROVED LIFE JACKETS AND/OR A SAFETY HARNESS WITH LIFE LINE MUST BE WORN WHEN WORKING NEAR WATER ON INTAKE OR DISCHARGE STRUCTURES, DOCKS, BOATS, BARGES, OR IN AREAS WHERE FALLING INTO WATER MIGHT OCCUR.
Electrical rules
ALL ELECTRICAL CIRCUITS AND EQUIPMENT MUST BE TREATED AS ENERGIZED UNLESS PROPERLY CLEARED AND GROUNDED.
ONLY APPROVED GROUNDING DEVICES SHALL BE USED. GROUND SWITCHES MUST NOT BE USED IN LIEU OF SAFETY GROUNDS.
IN ALL CASES, THE PERSON HOLDING THE CLEARANCE SHALL BE RESPONSIBLE FOR THE PLACING AND REMOVING OF
GROUNDS.
DO NOT GROUND SUPPOSEDLY DEAD CIRCUITS WITHOUT
“FEELING OUT” WITH A GROUND STICK OR HIGH VOLTAGE TESTER TO FIND OUT WHETHER THE CIRCUIT IS DEENERGIZED.
WHEN ATTACHING GROUNDS, FASTEN THE GROUND END FIRST. THE “LINE OR EQUIPMENT” END MUST NEVER BE ATTACHED OR REMOVED BY HAND.
WHEN REMOVING GROUNDS, DO NOT REMOVE THE GROUND END CONNECTION UNTIL AFTER THE CLAMP HAS BEEN REMOVED FROM THE LINE OR EQUIPMENT.
ALL WORK ON GROUNDED CIRCUITS MUST BE DONE BETWEEN GROUNDS PLACED CLOSE AS PRACTICAL TO THE WORK LOCATION.
PHASE AND/OR NEUTRAL REACTORS SHALL NOT BE WORKED ON UNLESS DE-ENERGIZED AND GROUNDED.
WHEN WORK IS BEING PERFORMED ON TRANSFORMERS OR CIRCUIT BREAKERS, A GROUND MUST BE PLACED ON EACH BUSHING LEAD.
WHEN IT IS NECESSARY TO TEST, GROUNDS MAY BE REMOVED FOR THE DURATION OF THE TEST AND THEN REPLACED. THE PERSON HOLDING THE CLEARANCE MUST APPROVE REMOVAL AND REPLACING OF GROUNDS.
