What you'll learn
This course is designed to train students and professionals in preparing detailed 2D electrical layout drawings, wiring diagrams, power distribution plans, lighting plans, panel schedules, earthing layouts, and load calculations using CAD software.
Learners will understand how to draft accurate electrical drawings for residential, commercial, and industrial projects as per industry standards and approval requirements.
The course covers annotations, symbols, standards, BOQ preparation and documentation as required for site execution and government approval drawings.
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Course Syllabus
Module 1: Introduction to Electrical Drafting
- Basics of electrical systems
- Voltage levels, load types (lighting, power, AC etc.)
- Safety guidelines & IS standards
🔹 Module 2: CAD Essentials for Electrical Drawings
- Layers, blocks & symbols
- Dimensioning and annotation standards
- Title blocks & naming conventions
- Importing and exporting PDF/DWG
🔹 Module 3: Electrical Symbols & Legends
- Fan, light, switchboard symbols
- Socket, UPS, inverter symbols
- DB, Panel, MCC, PCC symbols
- Earthing & lightning protection symbols
🔹 Module 4: Residential Electrical Layout
- Room-wise wiring layout
- Power & lighting distribution
- Load distribution drawing
- Cable routing paths
🔹 Module 5: Commercial Electrical Layout
- Office/complex wiring plan
- HVAC & AC power routings
- Fire alarm and CCTV placements
- Data & LAN wiring planning
🔹 Module 6: Industrial Electrical Drafting
- LT and HT panel layouts
- Cable tray layouts
- Earthing and grounding plan
- Feeder and power distribution
🔹 Module 7: DB Schedule (Distribution Board)
- Panel design and rating
- DB schedule preparation
- MCB, MCCB, RCD breaker selection
- Load calculation sheets
🔹 Module 8: Lighting & Power Calculations
- Illumination calculation
- Fixture selection
- Energy efficient layout design
🔹 Module 9: Earthing and Safety Drawings
- Earthing pit layout
- Copper/GI strip routing
- Lightning arrestor drawing
🔹 Module 10: Annotation & Documentation
- Notes, legends, naming, numbering
- Bill of quantities (BOQ)
- Single line diagram (SLD)
🔹 Module 11: Approval Drawing Standards
- Formatting as per approval norms
- Scaling, printing & PDF export
- Cross-check and review checklist
🔹 Module 12: Project Work
Students will draft:
✓ Residential electrical layout
✓ DB schedule + Load calculation
✓ Earthing layout
✓ Final approval sheet (PDF/DWG)
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