National Electrical Code (NEC) Basics Every Electrician Should Know
What is the NEC?
The National Electrical Code (NEC) sets the standard for safe electrical wiring and equipment installation in the U.S.
Published by the National...
Importance of Earthing Rules in Installations
What is Earthing and Bonding?
Earthing: Connects electrical systems to the ground, providing a safe path for fault currents. Prevents shocks by directing excess electricity...
Symbols for Lighting Fixtures in Wiring Diagrams
Light fixture symbols help differentiate between types of lighting. Ceiling lights, for example, are often drawn as circles representing the light fixture itself. Solid...
Grounding and Bonding: Safety Essentials
Grounding and Bonding: How Are They Different?
Grounding and bonding are often confused, but they’re not the same. Both work together to keep electrical systems...
Basic Electrical Safety Rules Every Electrician Must Follow
Keep equipment away from water – Maintain at least 5 feet distance and use GFCIs to prevent shocks and fire hazards.
Unplug safely – Always...
Safe Working at Heights in the Electricity Supply Industry
Working at heights on electricity network poles and structures involves serious risks such as falls and electrical hazards. Proper training, equipment, and safe practices...
Personal Protective Equipment (PPE) in Electrical Work
🛡️ Types of PPE
Head Protection – Hard hats with electrical insulation.
Eye & Face Protection – Safety glasses, goggles, face shields (for sparks/arc flash).
Hearing Protection...
Rules for Installing Switches and Sockets
General Rules
All plugs and socket outlets must be 3-pin type.
Provide an adequate number of sockets in each room.
In sub-power circuits:
Use only 3-pin, 16A sockets.
Each...
Maximum Load Capacity Rules for Circuits
🔌 What is Electrical Capacity?
Electrical capacity = maximum electricity a circuit, panel, or generator can handle safely.
Measured in Amperes (Amps).
Exceeding capacity → risk of...
How to Prevent Electrical Shocks on the Job Site
Electrocution is one of the most serious hazards at work. Following simple precautions can greatly reduce the risk.
🔧 1. Use the Right Equipment
Choose double-insulated...
Electrical Symbols on Floor Plans & Blueprints
Electrical plans, wiring diagrams, and installation layouts all rely on standardized symbols.
Consistency ensures that electricians, inspectors, and contractors all “speak the same language.”
Standardized symbols...
Lockout/Tagout (LOTO) – Why It’s Important for Electricians
🔒 Lockout/Tagout (LOTO) – Why It Matters
⚡ What is Lockout/Tagout?
LOTO = Lock + Tag on equipment during repair, servicing, or maintenance.
Prevents unexpected startup or...
