Electricians

Calculating Branch Circuit Size for Electric Tankless Water Heaters Calculating the correct circuit size for a tankless water heater is a critical task for any licensed electrician. A proper continuous load calculation based on the NEC 125% rule is required …

A Guide to Simple Machines for the CAST Exam For any aspiring journeyman electrician or master electrician, demonstrating a strong grasp of fundamental principles is key to a successful career. This is especially true when facing pre-employment assessments like the …

Calculating Mechanical Advantage: A CAST Test How-To For any journey or master electrician, calculating mechanical advantage is a fundamental skill that blends physics with practical, on-the-job application. This concept, a core component of electrician training, is all about force multiplication—using …

Electrical Project Management: From Submittals to Closeout Effective electrical project management is the critical process of planning, executing, and closing out electrical projects to meet client requirements and business goals. For a master or journeyman electrician, it involves a disciplined …

A Technical Look at Lithium-Ion vs. Lead-Acid Solar Batteries In the debate of lithium-ion vs. lead-acid for solar applications, lithium-ion technology has become the industry standard for both new and retrofit energy storage systems (ESS). While traditional lead-acid batteries offer …

Understanding Key OSHA Requirements for Electrical Contractors For electrical contractors, complying with the Occupational Safety and Health Administration (OSHA) is non-negotiable. The primary OSHA requirements for electrical contractors are detailed in two main standards: 29 CFR 1910 Subpart S for …

How to Commission a Grid-Tied Solar Inverter: A Checklist To properly commission a solar inverter, a licensed electrician must systematically verify that all mechanical and electrical components are installed correctly, safely, and in accordance with the manufacturer’s specifications and all …

How to Install and Secure Rooftop Solar Racking Systems To properly install solar racking, a licensed electrician must execute a multi-stage process focused on structural integrity and electrical safety. The procedure begins with a thorough roof assessment and layout, followed …

General Liability vs. Errors & Omissions: A Guide to Insurance for Electricians For licensed electricians, understanding the nuances of business insurance is not just an administrative task—it’s a critical component of risk management. The right insurance for electricians can be …

CAST Test Prep: Mastering the Art of Interpreting Tables and Data Sets For any electrician preparing for the CAST (Construction and Skilled Trades Selection System) test, mastering the skill of interpreting tables and data sets is not just an advantage—it’s …