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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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Field Applied Hazard Markings

Section 110.21(B) states that if caution, warning, danger signs or labels are required by the NEC, the labels shall “adequately” warn of the hazard using effective words and/or colors and/or symbols.

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Passing an Above-Grid Ceiling Inspection

Here are the 6 most common violations that inspectors see in an above-grid ceiling inspection:

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The fact that the table was removed is neither here nor there. More importantly is how to apply the 83% and when the Code section allows us to use it. Applying 310.15(B)(7) to one-family dwellings or the individual dwelling units of two-family and multi-family dwellings, has always been dependent on a few important factors:

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Passing Your Emergency Lighting Inspection

Here are the top 5 most common problems that arise and how they relate to the NEC:

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2014 NEC 705.12(D)(2) PV Interconnections Part 2

If the point of interconnection will be made at a feeder, other than the opposite end of the primary overcurrent protective device (OCPD), then there are two options and both apply only to the portion of feeder on the load side of the inverter output connection.

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2014 NEC 705.12(D)(2) – Understanding PV Interconnections

Let’s start out with the first basic requirement in 705.12(D)(2): 125% of the inverter output circuit current must be used for the ampacity calculations for most of the interconnection methods used. Whether interconnecting the Inverter Output Circuit through a breaker at the service panel or directly to a feeder, it is important to first know the inverter output circuit current.

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Selecting the Short Circuit Current Rating of Equipment

In the Summer Newsletter article, we discussed marking our service equipment with the maximum Available Fault Current (AFC) as well as the date the fault current calculation was performed to comply with NEC 110.24(A). We selected circuit breakers with an AIC rating equal to or greater than the AFC. So […]

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2014 National Electrical Code – AFCI Protection Requirements

Register for our 2014 NEC Changes free webinar on November 12, 2013. Also, stay tuned to The Junction Box Blog for more information on the 2014 NEC changes. AFCI protection is one of the most talked about additions to the National Electrical Code over the years. Watch this quick video […]

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2014 National Electrical Code Changes

One theme in the new edition of the Code is new technologies and requirements for their safe installation and modification. Today we are going to start with four new articles that were added in the 2014 edition of the National Electrical Code to accommodate these emerging technologies.

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Identification of Equipment Grounding Conductors

Electrical Continuing Education. Today John Hauck and David Burtt discuss the identification of equipment grounding conductors according to the 2011 National Electrical Code. This is part 3 of a 3 part series on identifying conductors. How are equipment grounding conductors identified? 250.119. Equipment grounding conductors can be bare, covered or […]

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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

Field Applied Hazard Markings

Passing an Above-Grid Ceiling Inspection

Applying NEC 310.15(B)(7)

Passing Your Emergency Lighting Inspection

2014 NEC 705.12(D)(2) PV Interconnections Part 2

2014 NEC 705.12(D)(2) – Understanding PV Interconnections

Selecting the Short Circuit Current Rating of Equipment

2014 National Electrical Code – AFCI Protection Requirements

2014 National Electrical Code Changes

Identification of Equipment Grounding Conductors

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