Single cover retaining screw mounted on top of the flow switch for easy access.

在流量开关上安装一个盖子固定螺丝，便以打开进入。

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Start the bilge water feed pump, check the feed water solenoid valve and flow switch.

启动舱底水供给泵，检查补水电磁阀和流量开关是否工作。

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Flow switch damage should be promptly repair or replace, must not short sub flow switch.

流量开关损坏时要及时进行修理或更换，切不可短接流量开关。

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All power wasn't lost, because a second switch remained active, allowing some electricity to flow over an alternate route.

WSJ: Device Setting Triggered Super Bowl Outage

That led the relay, a kind of sensing device, to incorrectly conclude there was an electrical problem and tell a nearby electrical switch to isolate the perceived problem, reducing the flow of power to the Superdome during the game's third quarter.

WSJ: Device Setting Triggered Super Bowl Outage

Reality extends to the plain fact that there is no switch or level to push, pull or toggle that will instantaneously change the polarity of the flow.

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