Transformers are rated in Study guides, Class notes & Summaries

Electrician NCCER Questions and Answers (Already Passed) Latest Updated 2024/2025 | Graded A+. What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: 372/575 3- Phase, 4-wire What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? The motor will automatically blow ...

TFM 12 Fire Alarm Technical Question and answers 100% correct TFM 12 Fire Alarm Technical Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - correct answer Yes What does P.L.F.A stand for? - correct answer Power Limited Fire Alarm What does N.P.L.F.A stand for? - correct answer Non-Power Limited Fire Alarm What is the difference between P.F.L.A and N.P.F.L.A? - correct answer an N.P.L.F.A can operate at up to 600v, and the power output isn't li...

Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - Yes What does P.L.F.A stand for? - Power Limited Fire Alarm What does N.P.L.F.A stand for? - Non-Power Limited Fire Alarm What is the difference between P.F.L.A and N.P.F.L.A? - an N.P.L.F.A can operate at up to 600v, and the power output isn't limited a P.L.F.A has the voltage and power limited by a listed power source. What material must N.P.F.L.A circuit conductors be made from? - ONLY solid stranded...

PSI Journeyman Online Practice Test Questions with Certified Solutions A fitting is a part of a wiring system that is intended primarily to perform which type of function? mechanical When the disconnecting means of a transformer is located remotely it must be? lockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? 6 feet What is an askarel? a group of nonflammable synthetic chlorinated hydrocarbons used as elec...

What is used to protect transformers or other devices supplied from power-supply conductors? - ANSWER A. An overcurrent device not rated over 20 Amperes. What does PLFA stand for? - ANSWER Power Limited Fire Alarm What does NPLFA stand for? - ANSWER Non-Power Limited Fire Alarm What material must NPLFA circuit conductors be made from? - ANSWER Solid or stranded copper What is a single station detector? - ANSWER Battery powered smoke alarms that do not communicate off premises. Wha...

Electrician NCCER Questions and Answers (Already Passed) Latest Updated 2024/2025 | Graded. Which article of the NEC covers grounding? Article 250 What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: 372/575 3- Phase, 4-wire What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a win...

Fire Alarm TFM 12 Exam Review What does PLFA stand for? - Power Limited Fire Alarm What does NPLFA stand for? - Non Power Limited Fire Alarm What material must NPLFA circuit conductors be made from - Only solid or stranded copper is permitted What is a single station detector? - Battery powered smoke detectors that do not communicate off premises. What is a multiple station detector? - Mains powered smoke detectors with battery backup that are linked together, so that if one un...

What is used to protect transformers or other devices supplied from power-supply conductors? - CORRECT ANSWER A. An overcurrent device not rated over 20 Amperes. What does PLFA stand for? - CORRECT ANSWER Power Limited Fire Alarm What does NPLFA stand for? - CORRECT ANSWER Non-Power Limited Fire Alarm What material must NPLFA circuit conductors be made from? - CORRECT AN-SWER Solid or stranded copper What is a single station detector? - CORRECT ANSWER Batt...

PSI Journeyman Online Practice Test A fitting is a part of a wiring system that is intended primarily to perform which type of function? - mechanical When the disconnecting means of a transformer is located remotely it must be? - lockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? - 6 feet What is an askarel? - a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulatin...

What are the two primary purposes of fire extinguishers To extinguish incipient stage fires To control fires using nontraditional agents Class A involve paper, cloth, and rubber; represented as burning trash can beside a wood fire Class B involve gasoline, oil, and grease; represented as flame and a gasoline can Class C involve fuse boxes, circuit breakers, and transformers; represented as flame and electrical plug and socket Class D involve magnesium, titanium, and zirconium; represented ...