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TL;DR

Reading Comprehension: The ability to read written passages, identify main ideas, draw inferences, and determine word meaning from context.

By Valenke Exam Prep Team·Last updated 2026-06-02

Reading Comprehension

IBEW APPRENTICESHIP

Definition

The ability to read written passages, identify main ideas, draw inferences, and determine word meaning from context.

Professional Standards

Professional standards for reading comprehension are established by the relevant certification body and regulatory agencies. Certified professionals must demonstrate competency through examination and maintain credentials through continuing education. Scope of practice is defined by state law and facility policy. Never perform tasks outside your authorized scope.

Assessment Techniques

The ability to read written passages, identify main ideas, draw inferences, and determine word meaning from context. A significant portion of the IBEW aptitude exam. Must read technical passages and answer questions about main ideas and vocabulary.

Relevant formula: Conduit fill is 1 wire=53%, 2 wires=31%, 3+ wires=40% of conduit area. Variables: Wire area from Chapter 9 Table 5, conduit area from Table 4.

Practical Example

Electrical Calculation: Ohms law

Formula: E = I x R

Variables: E (voltage in volts), I (current in amps), R (resistance in ohms)

Example: 120V circuit with 10 ohm load: I = 120/10 = 12A

Regulatory Context

NEC regulatory requirements for reading comprehension:

Article 430 (Motors):

Article 334 (Nonmetallic-Sheathed Cable (NM/Romex)):

Overview

The ability to read written passages, identify main ideas, draw inferences, and determine word meaning from context. A significant portion of the IBEW aptitude exam. Must read technical passages and answer questions about main ideas and vocabulary.

Relevant formula: Voltage drop is VD = (2 x K x I x D) / CM. Variables: K=12.9 (copper), I=amps, D=distance(ft), CM=circular mils.

Related Procedures

The ability to read written passages, identify main ideas, draw inferences, and determine word meaning from context. A significant portion of the IBEW aptitude exam. Must read technical passages and answer questions about main ideas and vocabulary.

Relevant formula: Ohms law is E = I x R. Variables: E (voltage in volts), I (current in amps), R (resistance in ohms).

Why It Matters

A significant portion of the IBEW aptitude exam. Must read technical passages and answer questions about main ideas and vocabulary.

Related Terms

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Frequently Asked Questions

What are common code violations related to reading comprehension?
For reading comprehension: Backstab connections: Push-in connections on receptacles fail more often than screw terminals, poor practice though not a code violation. Wrong breaker size: Using 20A breaker on 14AWG circuit (max 15A per 240.4(D)). Double-tapped breaker: Two conductors on a single-pole breaker not rated for multiple conductors.
What safety requirements apply to reading comprehension?
For reading comprehension: Working space clearances per 110.26: minimum 3ft depth, 30 inch width, 6.5ft headroom for under 600V equipment. Lockout/tagout (LOTO): de-energize, lock, tag, try, verify zero energy before working on equipment.
What NEC articles cover reading comprehension?
For reading comprehension: Article 240 (Overcurrent Protection): 240.4(D): small conductor protection (14AWG=15A, 12AWG=20A, 10AWG=30A). Article 220 (Branch-Circuit, Feeder, and Service Load Calculations): 220.12: general lighting 3 VA/sq ft for dwelling.