Electrical Construction & Maintenance

Stumped by the Code? NEC Requirements for Sizing Conductors for an Electric Water Heater

All questions and answers are based on the 2014 NEC. Q. How do we size the conductors and maximum overcurrent protection for an electric water heater? Please give an example. A. An electric water ...
Electrical Construction & Maintenance

Stumped by the Code? When to Place Two Conductors on the Same Terminal

All questions and answers are based on the 2011 NEC. Q. When am I permitted to place two conductors on the same terminal? A. Terminals for more than one conductor and terminals used for aluminum ...
BBC

Conductors and insulators

We’re surrounded by electrically powered devices these days. From our lights, to our kettles, and of course our phones! Electricity flows through copper or aluminium wire to power or charge all of ...
Nature

Thermal Agitation of Electricity in Conductors

ORDINARY electric conductors are sources of spontaneous fluctuations of voltage which can be measured with sufficiently sensitive instruments. This property of conductors appears to be the result of ...