Single Line Diagram Masterclass
Single Line Diagram Masterclass
Single Line Diagram Masterclass
A Beginner’s Guide with Real Examples
A Beginner’s Guide with Real Examples
A Beginner’s Guide with Real Examples
Learn to read and interpret real substation SLDs — no guesswork. Just clarity.
Learn to read and interpret real substation SLDs — no guesswork. Just clarity.
Learn to read and interpret real substation SLDs — no guesswork. Just clarity.
4+ Hours
4+ Hours
4+ Hours
Of videos, notes & much more
Of videos, notes & much more
Lifetime Access
Lifetime Access
Lifetime Access
A self paced fully recorded course
A self paced fully recorded course
Industry Focused
Industry Focused
Industry Focused
Learn from the experienced ones
Learn from the experienced ones
7 Days Refund
7 Days Refund
7 Days Refund
Risk-free purchase with refund policy
Risk-free purchase with refund policy
About the course
About the course
About the course
Decode electrical drawings with clarity, not confusion.
Decode electrical drawings with clarity, not confusion.
Decode electrical drawings with clarity, not confusion.
Single Line Diagrams (SLDs) are one of the most important tools in an electrical engineer’s toolkit — but for many beginners, they’re also one of the most misunderstood. This course is your step-by-step roadmap to mastering SLD interpretation, using real examples from HV substations and MV/LV panels.
Single Line Diagrams (SLDs) are one of the most important tools in an electrical engineer’s toolkit — but for many beginners, they’re also one of the most misunderstood. This course is your step-by-step roadmap to mastering SLD interpretation, using real examples from HV substations and MV/LV panels.
Whether you're preparing for a job, working on-site, or just trying to connect theory to practice, this beginner-friendly masterclass breaks it all down — from basic symbols to complete system layouts.
Whether you're preparing for a job, working on-site, or just trying to connect theory to practice, this beginner-friendly masterclass breaks it all down — from basic symbols to complete system layouts.
Master the skill of reading and interpreting electrical single line diagrams (SLDs) using real-world substation examples — designed for beginners and professionals seeking practical clarity.
Course Syllabus
Module 1 - SLD Fundamentals
30 mins to complete
Module 2 - Equipment Symbols in SLDs
90 mins to complete
Module 3 - Anatomy of a Single Line Diagram
30 mins to complete
Module 4 - Step-by-Step SLD Interpretation
60 mins to complete
Module 5 - Real-World SLD Case Studies
30 mins to complete
Bonus Section
20 mins to complete
Course Preview
Course Preview
Course Preview
What information we can get from SLD?
Current Transformer
Title Block & Revision Table
What you'll learn
Confidently interpret single line diagrams used in real-world electrical systems
Identify key substation components and understand their placement in the system
Explain SLD sections in technical discussions and interviews
Avoid misinterpretation errors that can lead to safety or operational issues
Approach HV/MV/LV drawings with clarity and purpose in your day-to-day work
The Course Also Includes -
Downloadable notes
Virtual Community
Certificate of Completion
Prerequisites - None
Quizzes
Course Level - Beginner friendly
Language - English with English Subtitles
By Industry Experts
Earn a Certificate
Earn a Certificate
Share your certificate of completion on LinkedIn and attract the potential recruiter. You can also share it in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents.
Meet your instructors
Gaurav Joshi
Gaurav Joshi, aka TheElectricalGuy, is an electrical engineer, industry professional, content creator, and educator. Known for his ability to simplify complex concepts, he has built a global community of over 225K followers on YouTube and other platforms.
With rich industry experience at pioneering companies like Siemens and Schneider Electric, Gaurav bridges the gap between theory and practice, making learning easy for students and professionals alike. His passion for teaching led him to establish TheElectricalGuy Academy, driven by his belief that clarity leads to confidence and innovation.
As Featured on
Gaurav Joshi
Gaurav Joshi, aka TheElectricalGuy, is an electrical engineer, industry professional, content creator, and educator. Known for his ability to simplify complex concepts, he has built a global community of over 225K followers on YouTube and other platforms.
With rich industry experience at pioneering companies like Siemens and Schneider Electric, Gaurav bridges the gap between theory and practice, making learning easy for students and professionals alike. His passion for teaching led him to establish TheElectricalGuy Academy, driven by his belief that clarity leads to confidence and innovation.
As Featured on
Gaurav Joshi
Gaurav Joshi, aka TheElectricalGuy, is an electrical engineer, industry professional, content creator, and educator. Known for his ability to simplify complex concepts, he has built a global community of over 225K followers on YouTube and other platforms.
With rich industry experience at pioneering companies like Siemens and Schneider Electric, Gaurav bridges the gap between theory and practice, making learning easy for students and professionals alike. His passion for teaching led him to establish TheElectricalGuy Academy, driven by his belief that clarity leads to confidence and innovation.
As Featured on
Embracing a Worldwide Learning Community
Embracing a Worldwide Learning Community
Our course caters to a global audience, attracting students from diverse regions such as :
India, UAE, United Kingdom, United States, Saudi Arabia, Canada, Bangladesh, Nigeria, South Africa, Australia and more!
Our course caters to a global audience, attracting students from diverse regions such as :
India, UAE, United Kingdom, United States, Saudi Arabia, Canada, Bangladesh, Nigeria, South Africa, Australia and more!
Trusted by Professionals from These Leading Companies
See what our students says
4.8 Course Rating
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
Loannis
Greece | Working professional
A well-structured and informative course that clarified key concepts of single-line diagrams.
The content is practical, clearly explained, and valuable for both beginners and professionals working with electrical schematics and system design.
Shubham Shinde
India | Working professional
Highly recommended to students, freshers, and even experienced working professionals to brush up on their knowledge.
This course has added a valuable arrow in my quiver. It starts from the very basics and leaves you a confident SLD reader.
ARJUN MURMU
India | Working professional
My fear of reading SLDs is completely gone.
I now feel confident interpreting them and truly appreciate how clearly the concepts were explained. I’ll definitely recommend this course to my colleagues.
Pavanreddy
India | Student
A great course that gave me a much better understanding of single line diagrams.
Shaima Aziz
Saudi Arabia | Student
I really enjoyed the SLD course. It explained single line diagrams clearly and simply.
I had only a basic understanding from university, but now I feel confident reading them. Well-structured with useful examples — highly recommended for anyone building their foundation.
Kenessary Kuzhakhmetov
Kazakhstan | Working professional
After completing the course "SLD Masterclass" I am confident that I have closed gaps in my knowledge.
And this course contributes to LVSL2 course. Thank you, Gaurav!
Achioyamen O K
Nigeria | Working professional
The course was well-structured, engaging, and highly relevant.
It supported my learning and provided real opportunities for growth. I'm truly grateful for this wonderful opportunity.
Thank you, Sir!
No-nonsense Approach.
Industry Focused.
Risk-free Investment.
No-nonsense Approach.
Industry Focused.
Risk-free Investment.
Lifetime access
Get access forever on a one-time payment and watch anytime, anywhere as per your convenience.
100% Refund Policy
Get a 100% refund within 7 days of purchase if you're not satisfied.
Free Upgrades
Gain all future updates, additions and changes made to the course at no additional cost.
Course Pricing
100% Refund | Lifetime Access
No guesswork.
Just clarity.
FAQ
Can I access all the content once I purchase the course?
I am not from electrical background, will this course help me understand?
Does the course come with a certificate of completion?
Which language is the course in?
I am not from India, can I still join the course?
What are the payment options available?
Can I access the content anytime & anywhere?
Can I cancel my course purchase if I don’t like it? Will I get a refund?
Whom do I contact in case of any issues or concerns?
FAQ
Can I access all the content once I purchase the course?
I am not from electrical background, will this course help me understand?
Does the course come with a certificate of completion?
Which language is the course in?
I am not from India, can I still join the course?
What are the payment options available?
Can I access the content anytime & anywhere?
Can I cancel my course purchase if I don’t like it? Will I get a refund?
Whom do I contact in case of any issues or concerns?
FAQ
Can I access all the content once I purchase the course?
I am not from electrical background, will this course help me understand?
Does the course come with a certificate of completion?
Which language is the course in?
I am not from India, can I still join the course?
What are the payment options available?
Can I access the content anytime & anywhere?
Can I cancel my course purchase if I don’t like it? Will I get a refund?
Whom do I contact in case of any issues or concerns?
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