| 摘要 |
<p>A universal electronic switching device (5) which may be mounted inside various types of lighting fixtures (6) to switch A.C. power to one or more loads (8 or 10), either individually or in groups, within the fixture (6) in a predetermined pattern in response to an interruption of the A.C. line voltage through a serially connected, remotely located, wall switch (S1). Each switching device (5) is capable of switching any A.C. voltage from 120vac to 350vac to appropriate lighting loads (8 or 10) or equipment such as fluorescent lamp ballasts, incandescent lamps, motorized lighting switches or relays.</p> |
