If you are worried and want to know how to fast-track and give the final push to your preparation, here are some suggestions on important topics, formulas, high-weightage units, along with what you ...

The ocean surface is definitely not flat. It is constantly changing as wind, waves and swells produce surface undulations, daily tidal fluctuations raise and lower the average height.” ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

The purpose of this advisory note is to inform industry of some common non-compliances found when Building Commission NSW inspectors conduct inspections of electrical installations The conductive ...

Most utility companies do an excellent job of using equipotential bonding to protect lineworkers who are working aloft. Historically, they've been less diligent about implementing up-to-date ...

For equipotential bonding of pool and spa equipment, a solid 8 AWG copper conductor shall be run back to the service equipment. This conductor shall be unbroken. The ...

An 8 AWG or larger solid copper equipotential bonding conductor shall be extended to service equipment to eliminate voltage gradients in the pool area. The provisions of Art. 680 apply to the ...

This article is based on a recent model specifically defining magnetic field values around electrical wires. With this model, calculations of field around parallel wires were obtained. Now, this model ...

Quanta Services has patented an innovative equipotential (EPZ) matting for work sites in energized environments. The matting features a wire mesh of conductive cables connected by pressed metal ...