Electricians

Mastering Measurement: How to Read Scales and Dials for Graphic Arithmetic Questions Effectively knowing how to read scales and dials is a fundamental skill that separates novice technicians from seasoned professionals. For both a journeyman electrician and master electrician, this …

Solving Force and Vector Problems: A Guide for the CAST Test Successfully solving force and vector problems is a critical skill for passing the CAST test and excelling as a professional electrician. These problems test your CAST test mechanical aptitude …

A Master Electrician’s Guide to Show Window & Track Lighting Load Calculations (NEC 220.43) Accurately performing a show window lighting load calculation is a fundamental skill for any journeyman or master electrician working in commercial occupancies. Governed by NEC 220.43, …

Using PVWatts for Preliminary Solar Production Estimates Using PVWatts, a free tool from the National Renewable Energy Laboratory (NREL), is an essential first step for any master or journeyman electrician creating a preliminary solar proposal. This powerful calculator allows you …

Designing for Wind & Snow Loads on Rooftop Solar Arrays Properly calculating for solar wind and snow loads is a critical, non-negotiable step for ensuring the safety, longevity, and code compliance of any rooftop photovoltaic (PV) installation. For the master …

How to Add, Subtract, and Multiply Fractions in Electrical Work For electricians in the field, mastering fractions is not just an abstract mathematical exercise; it is a critical, hands-on skill essential for safety, precision, and efficiency. Strong command of fractions …

Mastering Cable Tray Ampacity Calculation: A Guide to NEC 392.80 Performing a correct cable tray ampacity calculation is a critical skill for any licensed electrician, ensuring both safety and compliance with the National Electrical Code (NEC). The process, governed by …

How to Read a Solar Site Survey for Effective PV Array Layout A successful and efficient photovoltaic (PV) installation begins long before the first panel is mounted. For any journeyman electrician or master electrician entering the solar industry, mastering the …

What is an IBEW Apprenticeship? A Guide for Aspiring Electricians An IBEW apprenticeship is a highly structured, earn-while-you-learn electrician training program that combines paid on-the-job training with comprehensive classroom instruction to prepare individuals for a career as a licensed electrician. …

PV String Sizing Calculations for Grid-Tied Inverters: A Master Electrician’s Guide Proper PV string sizing calculations are critical for designing a safe, efficient, and code-compliant solar energy system. These calculations determine the correct number of solar modules to connect in …