lead – JADE Learning

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.

Read Article

Most Recent

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.

Read Article
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. 

Read Article
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.

Read Article
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!

Read Article

Recently in

Reducing Lead Exposure Through Drinking Water

There is no safe level of lead in drinking water, but a zero goal, though laudable, is at present an unattainable goal. The policing of lead in drinking water is generally in the hands of the local utility company until testing reveals lead levels higher than 15 ppb (parts per billion) in 10% of the samples collected in the distribution system. This means the action level for remedial action is 15 ppb. The frequency and number of samples collected is determined by the service population of the utility, history of analysis results, and the success of remedial measures, if they prove to be required. Remedial measures may be avoided by implementing some measures as ongoing treatment regimens, whether there is a problem or not. The chief remedial or preventive actions involve implementing and maintaining a corrosion control program to prevent leaching of regulated metals, such as lead and copper, into the product.

Read Article

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

Reducing Lead Exposure Through Drinking Water

Passing Your Journeyman or Master Exam Starts Here.

JADE Learning’s Online Exam Preparation. Practice at Home. On Your Schedule.

Login