Life as a property investor and/or developer inevitably involves all manner of decisions, day after day. However, it might be far from obvious what level of participation property investors may have – ...

Whether they're for journeymen, master electricians, or contractors, most electrical licensing exams require you to calculate residential loads and service or feeders sizes using one of two methods.

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...

It's time for another physics example. In this case, I am going to calculate the electric field due to an electric charged rod. Of course you could do this analytically using a bit of calculus. This ...

When installing conductors of different sizes (or types of insulation) in a raceway, you can’t size the raceway based on Tables 1 through 12 in Annex C. You must instead follow this three-step process ...

Copper metal is usually at the core of any electrical wire, and this carries the current for the entire device. Wire insulation is another crucial but understated component. Common wire is insulated ...