| 摘要 |
<p>A state and operation indicator for a snap switch is provided. Presently, instrumentation is often needed in order to determine if a snap switch is malfunctioning. Information may be provided on a control panel inconveniently positioned remotely as compared with the location of the snap switch itself. This disclosure provides for an indicator of the state and operation of a snap switch, which does not require the use of instrumentation, and which is proximate the snap switch. This indicator can be used in both alternating and direct current circuits. When the common terminal of the switch is energized an associated light can provide a cue that the power is on. The state and operation indicator can also have either a light associated with the normally open terminal, a light associated with the normally closed terminal, or both. These lights can respond to indicate the state and operation of the switch.</p> |
