Single Line Diagram (SLD) Design
Professional electrical single line diagrams that clearly represent power distribution, protection systems, and load flow for safe, compliant, and efficient installations.
What is a Single Line Diagram?
A Single Line Diagram (SLD) is a simplified graphical representation of an electrical power system. It uses single lines and standardized symbols to illustrate how electrical power flows from the source to various loads.
SLDs are essential documents used for electrical design, approvals, installation, operation, and long-term maintenance.
- Clear power flow visualization
- Protection & safety coordination
- Load and capacity planning
- Regulatory & authority approval
Key Components in an SLD
Each single line diagram includes critical electrical components and technical data.
Power Sources
Utility supply, generators, solar systems, and UPS connections.
Transformers
Voltage levels, ratings, and step-up or step-down configurations.
Switchgear
ACB, MCCB, MCB, isolators, and protective devices.
Loads
Lighting, power outlets, HVAC, machinery, and critical systems.
Where SLDs Are Used
Single line diagrams are required across a wide range of projects and industries.
Commercial Buildings
Offices, shopping complexes, hotels, and mixed-use developments.
Industrial Facilities
Factories, plants, warehouses, and production units.
Critical Infrastructure
Hospitals, data centers, laboratories, and utility facilities.
Need a Professional Single Line Diagram?
We provide accurate, standards-compliant SLDs tailored to your project requirements, ensuring safety, clarity, and long-term reliability.
Contact us to discuss your project scope and design needs.