No battery time swith AC220V

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No battery time swith AC220V

Q: When the high voltage isolating switch needs a grounding switch: Inconvenient to install the ground wire, outlet isolation must be ground switch, maintenance ground

Q: Yesterday it was bright, off and then open and not bright! Today I changed the switch, or not bright, the situation 1: switch 1 2 lines have a power no electricity, switch 2 1 line has electricity. Case 2: all 2 switches 3 lines are no electricity! When the switch is not connected! Switch 1 inside a green line is a power, switch 2 of the three lines are no electricity. Switch 1, 2 are a green line 2 yellow line, green line are tied several other lines!: Is the connection between the two control? Two switches have three points? If the wiring is impossible, the six points are not available.

Q: Does the timer switch call the time to work?: Different timing switches work in different ways. Some do not necessarily support no electricity work.

Q: Site how to switch the headlamps how to adjust the time: If it is time control switch control, Such as setting the load for an open time 18:00, The time is 05:00

Q: Dalian Maritime University swimming pool specific switching time and charges? Do more money. Single money: Not a card to pay 20 yuan for the job, the school's 8 yuan. Opening time is 5 pm to 8 pm, the holiday period will be opened longer, 3 pm will open. Ordinary time students have classes, so not open to the outside world.

Q: Freezer inside the dew switch, can open for a long time?: If the weather is dry, there is no condensation, you can turn off.

Q: Is there a time to switch on the computer? How to check: Right click on my computer, manage, open the event viewer, select "system" in the left window, and find the event with event ID 6005,6006 from the right system event (the event ID number 6005 event event log service Has started, that is, boot, the same event ID: 6006 that shut down), they correspond to the time are the boot time and shutdown time. Can be in the menu bar - view - filter, write event ID,

Q: Switching power supply voltage to maintain a long time: generally up to 20ms or so. What does that mean?: After the power, the output voltage can be maintained for about 20 milliseconds, that is, 0.02 seconds

Q: I produced the power supply is output 12V and 5V two groups. Current is 2A. Will the normal aging time is how much the load should be connected to the number of normal. Please advise experts. Thank you so here.: The initial trial production can be 24 hours of aging, and take 10% of which for a long time aging (at least half a month) to ensure quality. Into the first five batches of 100% load aging 40 minutes, if no problem and then you can use 80% or 100% load aging 25-30 minutes. General power plants are the same operation.

Q: I would like to use photoelectric switch and time relay control solenoid valve delay how to connect ah: Brother, put your request in detail. Or immortal is also difficult to start.

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