# Basic / Important Electrical Formulas

• ## 800+ Electrical & Electronic Abbreviations with Full Forms. A-Z

Electrical and Electronics Engineering Abbreviations with Full Forms  Below is the list of 800+ short form or abbreviation with full form used in electrical and electronic engineering. All the abreavtion…

• ## Which Bulb Glows Brighter When Connected in Series and Parallel & Why?

Two Bulbs of 80W & 100W are Connected in Series & Parallel – Which One will Glow Brighter? The most confusing question we received that if two bulbs are connected…

• ## Design of Grounding / Earthing System in a Substation Grid

Design of Earthing / Grounding System in a Substation Grid Introduction to Substation Earthing Grid In high and medium voltage[1]Air Insulated Substations (AIS) the electromagnetic field, which causes are the…

• ## Short Circuit Currents And Symmetrical Components

Short Circuit Currents And Symmetrical Components (Manuel Bolotinha) Short Circuit Faults and Currents Short-circuits can occur phase-to-phase and phase-to-earth, mainly due to: Dielectric breakdown of insulating materials (ageing, severe overheating…

• ## Lighting Design Calculation in a Building – Step by Step

How to do Lighting Design Calculation in a Building – Electrical Wiring Installation In professional field proper lighting design is very important because an under lighting arrangement will decrease the…

• ## SUPERNODE Circuit Analysis | Step by Step with Solved Example

SUPERNODE Circuit Analysis | Step by Step with Solved Example Today, we will try to answer the common question that why we use Supernode circuit analysis while we can simplify…

• ## SUPERMESH Circuit Analysis | Step by Step with Solved Example

SUPERMESH Circuit Analysis | Step by Step with Solved Example Supermesh or Supermesh Analysis is a better technique instead of using Mesh analysis to analysis such a complex electric circuit…

• ## Cramer’s Rule Calculator – 2 and 3 Equations System

Cramer’s Rule & Calculator for Linear Circuit Analysis | Step by Step with Solved Examples Today, we are going to share another simple but powerful circuit analysis technique which is…

• ## Voltage Drop Calculator And Formulas – Solved Examples

Advanced Voltage Drop Calculator and Voltage Drop Formula What is allowable Voltage Drop? According to the NEC (National Electric Code) [210.19 A (1)] FPN number 4 and [215.2 A (3)]…

• ## Air Circuit Breaker (ACB) – Construction, Operation, Types and Uses

Air Circuit Breaker Construction, Operation, Types, Advantages and Applications What is a Circuit Breaker? A circuit breaker is a device, which can Make or break a circuit manually or by…