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You switch the hot side instead of neutral, because there is a shock hazard otherwise. If a fault caused hot to connect to a metal part on the device, you would get shocked touching the metal part. Sometimes a double pole switch will switch both hot and neutral in special applications. It is never a good idea just to switch neutral.
What else can I help you with?
Why context switch must be atomic?
Context switch must be atomic to ensure that the state of the system remains consistent during the switch. This is important because a context switch involves saving the state of the current process and loading the state of the next process. If the switch is not atomic, it could lead to data corruption or inconsistencies in the system, resulting in unpredictable behavior.
How can an intermediate switch be used with a 2-way switch system to control a light from four floors?
A two way switch is UK terminology for a North American three way switch. Though the switch has two names it is still a Single Pole Double Throw switch that has three terminals. North American terminology. The circuit is the same as the three way switch system. To control from four locations just add another intermediate switch. For the system to work properly the new intermediate switch has to be adjacent to the existing intermediate switch. The connections must run - three way, intermediate, intermediate, three way.
How do you wire a remote switch to a socket outlet with no switch?
You must route a wire 12/2 or 14/2 to the receptacle from the switch in order for the switch to break the circuit. Always switch the black wire at the receptacle, not the white (neutral). As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
Is a light switch a robot?
No it is not. It must be operated by human hand.
Can you wire a switch downstream from an outlet?
Yes, you can wire a switch downstream from an outlet by connecting the switch to the hot wire (black) from the outlet. The hot wire would then be interrupted by the switch before continuing to the outlet, allowing you to control the power to the outlet with the switch. Always ensure to turn off the power before working on any electrical components.
What are the rules to be followed by the interrupt routines in rtos?
1)an interrupt routine must not call any rtos function that bmight block the caller inthe future2)an interrupt routine may not call any rtos function that might cause rtos to switch task unless the rtos knows that an interrupt routine is not a task executive.
Which setting must a device have in order to interrupt the CPU?
IRQ
Why context switch must be atomic?
Context switch must be atomic to ensure that the state of the system remains consistent during the switch. This is important because a context switch involves saving the state of the current process and loading the state of the next process. If the switch is not atomic, it could lead to data corruption or inconsistencies in the system, resulting in unpredictable behavior.
Which is the safest position for the switch when an appliance is used?
Your question is rather vague but, for a.c. systems, a switch must always be placed in the line conductor, neverthe neutral conductor.
In which system must there always be a bibliography containing the work cited in the text?
MLA
When the numerator and denominator switch such that the product of a number and its reciprocal is 1?
Unless the first number is zero, then this must ALWAYS be the case.
To make sense a measurement must always have what 2 things?
A English and Metric System.
Are viruses?
Viruses are very small organisms - most cannot even be seen with a regular microscope. They cannot reproduce on their own. They must enter a living cell, which becomes the host cell, and "hijack" the cell's machinery to make more viruses.The virus are nothing but one kind of interrupt. The virus can interrupt in your system and affect it by some softwareswhat is a virus to you
What is a Sentence Interruption?
I finally found a place to do my homework without interruption from my roommates.
When devices interrupt occurs how does the processor determine which device issued the interrupt?
It's pretty simple. First, the processor must determine which interrupt occurred. On simple hardware setups, you may already know this just by which interrupt handler was called. On more complex hardware, you may have to read status registers in the interrupt controller. Second, the processor has to look up which devices are capable of asserting that interrupt. On simple hardware, generally there is only one device that can trigger each interrupt and this is determined by the way the device is wired. On more complex devices, this may be determined by software and the processor may have to consult tables that were created during the boot process. Third, the processor must determine which of those devices actually asserted the interrupt (if there's more than one). This is typically done by the driver for each device which generally just asks the device if it triggered an interrupt. Most devices have status registers that either directly tell you whether it caused an interrupt or tell you whether the device needs service which was the point of the interrupt anyway.
What must be checked when inspecting isolator enclosure?
When installing an isolator switch enclosure, make sure that the terminations are tight and secure.If you are using the isolation switch to disconnect a load that must be worked on the following should be checked. Make sure that the handle of the switch is down and locked in the off position. For isolation switches that have windows in the front of them look and make sure that the switch blades are physically in the open position. Then lock the switch in the off position. Always safety first.
Difference between harware interrupt and internal interrupt?
A hardware interrupt is initiated from a hardware event, such as a byte received from a serial port. It is asynchronous to the running program, i.e. it can occur at any time. An internal, or software, interrupt is initiated by the running program, thus it is under the control of the running program. In the 8085, for instance, the RST instructions are software interrupts. Note, however, that external interrupts can initiate a software RST instruction, so the two events can appear to be the same kind of event. The biggest difference is the handling of the interrupt enable (IE) flag. In the hardware interrupt, the IE flag is turned off when processing the interrupt, and it is turned on right before the interrupt service routine executes the final return instruction. The software interrupt, on the other hand, has nothing to do with IE. As a result, the code must be able to tell the difference.
