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NEC Article 230, Services

Let’s take a closer look at Article 230 and the NEC 2020 Code changes, which covers service conductors and equipment for control and protection of services.

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2020 NEC | Article 590, Temporary Installations

Because temporary electrical installations present a special set of hazards, they have their own Article in the NEC code. Read more to learn about how to safely reinstall previously used services, parts, or components in a temporary installation.

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Recruiting Water and Wastewater Operators: Tips for Future Employees

This article discusses why wastewater is a good career choice, what skills and knowledge an operator needs, and how to find your first job in the water/wastewater field. 

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Developing Troubleshooting Skills for HVAC Technicians

Troubleshooting of HVACR systems and equipment can often become a time-consuming, frustrating process. Here are some fundamental concepts that can help anyone become a more proficient troubleshooter.

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The Rebirth of Analog Video Surveillance

We’re currently experiencing a resurgence of analog surveillance systems. Here’s where analog systems can work better than internet protocol (IP) ones!

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Field Labeled & Field Evaluation Body (FEB)

Two new terms found in Article 100, and a clarified evaluation-practice established for the 2017 NEC code-cycle
Electrical equipment is generally approved by a testing laboratory before being shipped by a manufacturer. However, sometimes electricians may need to install spe-cialized gear that has not yet been formally certified. When field certification is neces-sary due to a lack of a UL (or other approved laboratory) Listing, electricians are then required to contact a Field Evaluation Body (FEB) to receive an approval label. Fortunately, updates and new terms in the 2017 NFPA 70 National Electrical Code (NEC) help clarify what should be done when items need to be field labeled by a Field Evaluation Body (FEB).

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New for 2017 – Receptacles with Built-in USB chargers. NEC 2017 406.3

Prior to the 2017 edition of the NEC, 120-volt receptacles equipped with USB charging outlets had not been addressed by the National Electrical Code.
Universal Serial Bus (USB) connections have been around since the 1990s and are widely used to charge portable devices and computer peripherals, as well as transfer data.

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NEC Article 230, Services

Most Recent

2020 NEC | Article 590, Temporary Installations

Recruiting Water and Wastewater Operators: Tips for Future Employees

Developing Troubleshooting Skills for HVAC Technicians

The Rebirth of Analog Video Surveillance

Recently in

Field Labeled & Field Evaluation Body (FEB)

New for 2017 – Receptacles with Built-in USB chargers. NEC 2017 406.3

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