What is Circuit?
A circuit is a complete, closed path through which electric current travels. It typically includes a power source (like a breaker panel or battery), conductors (wires), and load devices (such as lights, outlets, or appliances). Circuits are foundational to any electrical system, ensuring power flows safely and reliably to where it’s needed.
In residential and commercial electrical services, circuits are designed to carry specific electrical loads. For example, a kitchen may have multiple dedicated circuits to handle appliances like refrigerators and microwaves, preventing overloads. If a circuit is interrupted—by a switch, break, or fault—the current stops flowing. Electricians often troubleshoot and repair circuits to restore power or upgrade capacity, such as adding a dedicated circuit for a new air conditioning unit.
Proper circuit design and installation are critical for safety and efficiency. Overloaded or damaged circuits can cause tripped breakers, overheating, or even electrical fires. That’s why licensed electricians evaluate circuit needs carefully when wiring a building or diagnosing electrical problems.
