David Herres, Author at JADE Learning

Preparing for the Wisconsin Electrical Journeyman Exam

To help you prepare for the Wisconsin Journeyman Electrician Exam, we’ve gathered some information on what you can expect on the exam — plus some tips to help you pass.

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How to Prepare for the Washington Electrical Exam

Before you become a journey-level or master electrician in Washington, you must pass an exam. Here’s what you can expect on the exam and some tips to help you pass.

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How Electricians Can Make Money Installing EV Charging Stations

Tap into the growing demand for electric vehicle charging stations to increase your income and reach new customers as a licensed electrician.

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2023 NEC Section 210.8(B): GFCI Protection, Other Than Dwelling Units

These are some updated code changes and exceptions in section 210.8(B), which covers GFCI rules for personnel, other than dwelling units.

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The De-Centralized Central Station

This blog discusses the sustainability of central alarm stations hiring remote workers and the pros and cons that come with remote vs. in-person work.

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Type MC and Type EMT Wiring Methods

The wire of choice for feeders and branch circuits in residential locations is Type NM, non-metallic sheathed cable. It is inexpensive, quick and easy to use, and requires a minimum of tools. But its use is prohibited in sensitive locations, so for industrial, commercial, and even some residential locations, electrical […]

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Variable Frequency Drives (VFD) Theory and Troubleshooting

By: David Herres – Variable Frequency Drives (VFD’s), also referred to as Adjustable Speed Drives, are prominent in today’s workplace. They are used in elevator, water pump, high-volume air compressor applications and material-handling systems wherever speed and torque characteristics of AC motors are regulated. In Thomas Edison’s time, the DC […]

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Elevator Maintenance

Elevators have become an essential feature of most multistory buildings and are no longer limited only to tall buildings. Elevators provide an accessible and easy means of egress for employees and customers. In certain types of buildings elevators are required by the model building codes or Federal law

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Multiwire Branch Circuits NEC 210.4

A common application of multiwire branch circuits as described in section 210.4 is for a 120/240-volt, single-phase system where three wires do the work of four, the two ungrounded conductors sharing a single neutral.In a 20 amp multiwire branch circuit if the two ungrounded conductors each carry 15 amps, some people think the neutral carries 30 amps, or the combined total of the current on each ungrounded conductor.

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Preparing for the Wisconsin Electrical Journeyman Exam

Most Recent

How to Prepare for the Washington Electrical Exam

How Electricians Can Make Money Installing EV Charging Stations

2023 NEC Section 210.8(B): GFCI Protection, Other Than Dwelling Units

The De-Centralized Central Station

Recently in

Type MC and Type EMT Wiring Methods

Variable Frequency Drives (VFD) Theory and Troubleshooting

Elevator Maintenance

Multiwire Branch Circuits NEC 210.4

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