Time clocks or timed switches

Time clocks or timed switches
  Time clocks are automatic controls, which turn lights off and on at pre determined times.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary

Energy terms . 2014.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Pendulum clock — A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world s most accurate timekeeper, accounting for its… …   Wikipedia

  • Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • Go (game) — This article is about Go, the board game. For other uses, see Go (disambiguation). Goe redirects here. For other uses, see GOE (disambiguation). Go Go is played on a grid of black lines (usually 19×19). The playing pieces, called stones, are… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”