- Study guides, Class notes & Summaries

This document contains questions and verified answers for LEVEL 3 MODULE 1 Load Calculations-Branch and Feeder Circuits . It includes detailed explanations, revision-focused content, and exam preparation material suitable for 2026/2027 students.

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2 pages

Written in 2023/2024

Grade A+

TutorHub

This document contains questions and verified answers for Electricity Level 3, Section 1 .It includes detailed explanations, revision-focused content, and exam preparation material suitable for 2026/2027 students.

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2 pages

Written in 2023/2024

Grade A+

TutorHub

**1.1.0 Louvres are usually white or silvered are are made of metal or plastic strips in a vertical orientation. If made in a ___ they can often replace diffusers or prismatic lenses, to give better glare control and reduce eye strain - correct answer Small honeycomb or square pattern **1.1.1 Semi direct lighting- ___ of the luminaries emitted light is down ward with a smaller component (10%-40%) upward to illuminate the celling and upper walls - correct answer 60%-90%down and smaller 10%-4...

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4 pages

Written in 2023/2024

Grade A+

YOURVERIFIEDEXAMPLUG

What is the demand factor allowed by the NEC® for calculating the neutral conductor size for electric range load? - correct answer 70% Using the VA/linear foot method, the total VA that must be used in a service calculation for a 50' show window is - correct answer 12,500VA Before it is considered a continuous load, a load must operate for at least how many hours without interruption? - correct answer 3 Which of the following factors does not affect conductor ampacity adjustments? - c...

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4 pages

Written in 2023/2024

Grade A+

YOURVERIFIEDEXAMPLUG

What is the demand load for one household range with a nameplate rating of 11.75kW, 240V, 1○? - correct answer 8kW 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% The NEC requires that the ampacity of branch circuit conductors be derated when there are more than how many current-carrying conductors in a raceway? - correct answer 3 Accor...

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3 pages

Written in 2023/2024

Grade A+

YOURVERIFIEDEXAMPLUG

NEC 220.14 - each outlet has an assigned load of ___ - correct answer 180VA NEC Table 310.16 covers conductors rated up to ___ - correct answer 0-2000V NEC 220.14(I) each receptacle is assigned a value of ___ - correct answer 180VA NEC 220.54 the load for household electric dryers must be calculated at ____ or ____ - correct answer 5000VA or the nameplate rating of the dryer — whichever is larger When space heating equipment utilizes electric resistance heating elements, protection...

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2 pages

Written in 2023/2024

Grade A+

YOURVERIFIEDEXAMPLUG

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...

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3 pages

Written in 2023/2024

Grade A+

YOURVERIFIEDEXAMPLUG

Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz_ 2022. 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? 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)? Conductors must be derated when installed in conduit Continuous load...

3.3

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2 pages

Written in 2022/2023

Grade A+

dennys