Conductors Samenvattingen, Aantekeningen en Examens

NCCER Test Questions and Answers 100% Pass A UL listed rod type ground electrode must have minimum length of 8'' in a circuit of pure capacitance, the current leads the voltage by 90 degrees The standard unit for measuring the cross sectional area of wire is the circular mil the drawing scale is most likely to be found in the drawing title block what is the minimum number of overload sensing units required for all three phase motors 3 what is the resultant distance between center bends fo...

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...

There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and one grounding conductor and one equipment grounding conduct...

Mike Holt Chapter 3 Study Guide Complete Questions And Answers 2023 D. A or B Correct Answer: Where type NM cables pass through cut or drilled slots or holes in metal members, the cable shall be protected by ___ which are installed in the opening prior to the installation of the cable and which securely cover all metal edges. A. listed bushings B. listed grommets C. plates D. A or B Listed Correct Answer: For locations not specifically identified in Table 300.5, a lesser cover depth than...

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 unit initiates, alarms in all detectors w...

NETA III 2024 QUESTIONS WITH CORRECT SOLUTIONS The alternate source for emergency systems are required to be equipped with ground-fault protection of equipment. -Answer-False Which ANSI/IEEE standard covers SF6 circuit breakers? -Answer-C37.04 You measure the winding resistance of a 12.4kV, 1000kVA, Delta-Delta connected transformer with a 100A test set. H1-H2 measures 42.0 microhms, H2-H3 measures 41.9 microhms, and H3- H1 measures 84.0 microhms. What can you conclude from these readings...

According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? - correct answer 3 Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? - correct answer 225% Conductors must be derated when installed in conduit - correct answer on or above rooftops Continuous loads are cal...

Min #receptacles in a garage - 1 Mobile home service equipment shall be line of sight and no more than ____ from the exterior wall of the home - 30' If a service conductor is over 300V but less than 600V, what is the minimum clearance of that service conductor if it runs in residential and commercial areas that are not subject to traffic? - 15' A power meter must be a minimum of ____ feet away from any door, gas meter, or window opening. - 3 A rod-type grounding electrode should have a ...

Module 11 - Residential Electrical Services Questions and Answers 2023 with complete solution A small residence has a floor area of 900 square feet. What is its general lighting load? 2,700VA Per NEC Table 220.54, a household with two dryers has a demand factor of __________. 100% If a dwelling has two kitchen areas, then the total small appliance branch circuits required would be __________. four at 1,500VA each A lighting load of 2,700VA at 120V has an amperage of __________. 22.5A ...

Question Which one of is a fluorescent surface-mounted fixture with a prismatic lens? Answers: • Shower Light • Universal • Wraparound • Strip Light correct answers Answer Wraparound Question Which statement is FALSE with respect to a 60A19W lamp? Answers: • 60 describes the output • A describes the shape • 19 describes the diameter in 1/8's of an inch • W describes the coating or finish of the bulb correct answers Answer 60 describes the output Question ...