Calculations

Sizing Conductors for Parallel Power Production Systems: A Guide to NEC Article 705 Properly sizing conductors for parallel power production systems is a critical task for any master or journeyman electrician, governed by the stringent requirements of the National Electrical …

Transposing Ohm’s Law: How to Easily Solve for V, I, or R For any journey from apprentice to master electrician, few tools are as fundamental as Ohm’s Law. While the base formula V=IR is simple, the real power comes from …

Mastering Restaurant Load Calculation with NEC 220.88 For any journeyman or master electrician working on new commercial projects, performing an accurate restaurant load calculation is a critical skill. The National Electrical Code (NEC) provides two primary methods: the Standard Method …

Basic Geometry for Conduit Bending: Angles and Offsets Mastering conduit bending math is a fundamental skill that separates novice installers from seasoned professionals. Accurate conduit bending ensures a clean, professional installation, minimizes wasted material, and helps maintain compliance with the …

Calculating Simple Averages for Electrical Load Balancing Mastering electrical load balancing math is a fundamental skill for any professional journeyman electrician or master electrician. At its core, this practice involves evenly distributing the total connected load across the available electrical …

Parallel Circuit Calculations: Voltage, Current, and Resistance Performing accurate parallel circuit calculations is a fundamental skill for any licensed electrician, from a new journeyman electrician to a seasoned master electrician. Unlike a series circuit, a parallel circuit provides multiple paths …

Mastering Series Circuit Calculations for the Journeyman Electrician Exam Successfully passing the Journeyman Electrician exam requires a firm grasp of essential electrical theory, and chief among these are series circuit calculations. These calculations form the bedrock of circuit analysis, and …

Understanding Impedance in AC Circuits: A Guide for Electricians For professional electricians, moving beyond DC theory into alternating current requires a new way of thinking about opposition to current flow. In AC systems, this opposition is called impedance. Understanding impedance …

A Professional’s Guide to NEC Article 408: Panelboard Sizing and OCPD Rules Mastering the requirements of NEC Article 408 is fundamental for any journeyman electrician or master electrician responsible for the safe and compliant installation of panelboards. This cornerstone of …

Understanding How Voltage, Current, and Resistance Behave in a Series Circuit In a series circuit, the fundamental principles of electricity—voltage, current, and resistance—exhibit a distinct and predictable relationship that is critical for every electrician to master. The core of series …