What is ampacity - Study guides, Class notes & Summaries

Electricity for HVAC Exam Questions and Answers All Correct What does NEC stand for? - Answer-National Electric Code What is Ampacity? - Answer-The current carrying capacity of wire or cable expressed in amperes or amps. What is EMF? - Answer-Electromotive Force (volts) What is Amperage? - Answer-The measurement of electrical flow in a conductor. You check volts in parallel or series? - Answer-parallel You check amps in parallel or series? - Answer-series What is Voltage? - An...

circuit breaker mean? a. The breaker is inexpensive b. The breaker will have lots of nuisance trips c. The breaker will trip out regardless of conditions d. The breaker will only trip at 150% of its rated amperage b. 8 amps (E-11 Table XII Conductor Ampacity - Flexible Cords) - ANSWER maximum current carrying capacity for an flexible cord of 16 AWG with 2 current carrying conductors inside the engine spaces is a. 6 amps b. 8 amps c. 10 amps d. 20 amps c. only in one direction - ANS...

Electrical Wiring Study Guide Questions and Answers Rated A+ What is the main function of electrical wiring in a building? The main function of electrical wiring is to safely transport electricity from the power source to various devices and appliances throughout the building. How do circuit breakers enhance electrical safety? Circuit breakers protect electrical circuits by interrupting the flow of electricity when an overload or short circuit occurs, preventing potential fires or d...

An off-grid installation has a 1HP pump that is on 10% of the time and a 20W light that is on 100% of the time. What is the monthly energy use? - correct answer 68KWh 1HP = 746W 746W * 0.1 * 24hours * 30days = 53712Wh 20W * 24hrs * 30days = 14400Wh 14400 + 53712 = 68112Wh 68kWh What kind of ground faults do most inverters detect? - correct answer DC Inverters detect dc ground faults. AC ground faults are detected on the AC side of the inverter at the distribution paned (MSP, load center...

Ricardos 3rd year second test (NFPA 70E) ch.1-9 Questions with 100% Correct Answers A(n) ___is best defined as any current in excess of the rated current of equipment or the ampacity of a conductor. It may result from overload or short circuit a. branch-circuit overcurrent device b. overcurrent c. overload d. supplementary overcurrent device - Correct Answer B. overcurrent NEC Reference: 100 A(n) ____ is a current greater than the equipment rated current or conductor ampacity, which i...

When a piece of equipment is connected to the earth, it meets the definition for... Grounded Where contained in a cable, the Code reference that states when a conductor with white insulation may be used as an underground circuit conductor is in Section... 200.7 The minimum working clearance at at Point X in Figure 201.15 is ___ feet. The panel is 277/480-volt, 3ø, 4W. 3.5 Informational Notes (I-Notes) in the National Electrical Code are___ exploratory information (not mandatory) An insu...

Journeyman Electrician Practice Test | Questions with 100% Correct Answers | Latest Update 2024 | Verified Conductors with _____ marked on the insulation are NOT approved for use in a wet location. - THHN conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, sin...

Journeyman Practice Test Questions and Answers Conductors with _____ marked on the insulation are NOT approved for use in a wet location. -Answer-THHN conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, single-phase, electrical system from the local utility co...

NYC Electrician Exam Q&A PASSED TEST The value of current, time, or both at which an adjustable circuit breaker is set to trip is known as? A) Inverse time B) Ampacity C) Automatic D) Setting - ANSWER D) Setting. The cross-sectional area of three or more THW conductors in a conduit must not exceed what percent of the cross-sectional area of the conduit? A) 30% B) 40% C) 50% D) 60% - ANSWER B) 40 % Chapter 9 Table 1 EMT must be supported within what distance from an outlet b...

Journeyman Electrician Practice Test Latest Update Graded A+ Conductors with _____ marked on the insulation are NOT approved for use in a wet location. THHN conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, single-phase, electrical system from the local utility ...