Phase 4: Electrical Symbols, Terminals & Drawing Basics

This phase contains 3 sections and 51 checklist topics. Use the interactive phase page to track your own learning progress.

General topics

Wire
Junction
Terminal
Fuse
MCB
MCCB
Isolator
Push button
And 19 more checklist topics

Terminal identification

A1/A2
L1/L2/L3
T1/T2/T3
U1/V1/W1
U2/V2/W2
13/14
21/22
11/12/14
And 6 more checklist topics

Drawing skills

Read left to right
Read top to bottom
Identify supply
Identify return
Component tags
Wire numbers
Terminal numbers
Cross references
And 2 more checklist topics

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JavaScript Required for Interactive Study Tools

slearnauto is an interactive industrial automation learning platform with progress tracking, flashcard quizzes, and interactive phase checklists. While JavaScript is required to track your progress and use the study tools, our complete 46-phase curriculum is available at: