Substation1
Dictionary of Electrical Engineering

Commonly used terms in the Electrical industry.

asymmetric digital subscriber line (ADSL)
a digital subscriber line (DSL) in which the rate from central switching office (CO) to customer premise is much faster than the rate from customer premise to CO.
SCR

See silicon controlled rectifier
scrubber
a means of removing sulfur dioxide from coal-burning power plant exhaust gas by forcing it through a chemical solution.