Licensed professional who is trained to install electrical wiring. License requirements vary from place to place.
Electrician's pliers
Also referred to as lineman's pliers, they have insulated handles and built-in side cutters.
Electricity
Energy made by moving charged particles.
Electricity generation
The process of producing electricity by transforming other forms or sources of energy into electrical energy; measured in kilowatt-hours.
Electro-pneumatic impact system
A hammer drill's electro-pneumatic impact system minimizes vibration and assures constant impact force on the workpiece.
Electrochemical cell
A device containing two conducting electrodes, one positive and the other negative, made of dissimilar materials (usually metals) that are immersed in a chemical solution (electrolyte) that transmits positive ions from the negative to the positive electrode and thus forms an electrical charge. One or more cells constitute a battery.
Electrode
A conductor that is brought in conducting contact with a ground.
Electrode holder
Insulated clamp, which holds a welding electrode and is used to supply power to the electrode from the attached wiring.
Electrode lead
Power supply cable, which goes to an electrode holder.
