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Section 1
Navigate general NEC requirements using the listed edition
Preview
Preview: General Code Requirements
Preview includes- 4 of 9 lesson topics
- 1 overview segment
- 3 core concepts
- 2 exam tips
Lesson Topics
- NEC General Code Requirements Overview
- PSI Bulletin Scoring
- Code Book Edition Control
- Trade Exam Waiver Implications
Overview
General NEC questions reward code-navigation skill: identify the installation, find the applicable article, read its scope/definitions, then apply the rule and exceptions.
Core Concepts
- NEC Article 90 explains purpose, scope, arrangement, enforcement, and how mandatory/permissive/explanatory material is used.
- Article 100 contains definitions used throughout the Code; do not rely on everyday meanings when the NEC defines a term.
- Article 110 contains broad requirements for installation approval, examination, listing/labeling, interrupting ratings, terminations, working space, guarding, identification, and maintenance-related access.
Exam Tips
- Find article scope before hunting for a number.
- Read exceptions and table notes.
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Section 2
Size and coordinate services, feeders, branch circuits, and overcurrent protection
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Section 3
Select and install conductors, raceways, cables, boxes, and fittings
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Section 4
Apply requirements for motors, transformers, appliances, lighting, and utilization equipment
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Section 5
Apply electrical theory, calculations, and circuit relationships
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Section 6
Select safe electrical work practices and protective measures
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Section 7
Interpret plans, specifications, schedules, and project constraints
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Section 8
Analyze special occupancies, special equipment, and emergency or standby conditions
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Section 9
Apply definitions, working space, identification, and installation fundamentals
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Section 10
Apply grounding, bonding, and protection concepts
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Section 11
Apply support, fill, derating, and environmental constraints
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Section 12
Coordinate equipment ratings, disconnects, controls, and installation conditions
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Section 13
Analyze loads, power, voltage drop, and system behavior
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Section 14
Distinguish construction and general-industry safety requirements
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Section 15
Coordinate electrical design, estimating, procurement, and field execution
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Section 16
Use the controlling listed code edition for specialized installations
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Section 17
Apply communications-system separation, support, and installation concepts
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