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HERE'S AN EXAMPLE:
IF THE POLARITY IS BACKWARDS AT A LIGHT FIXTURE THEN THE HOT (120VOLTS) WILL BE THE OUTSIDE OF THE LIGHT BULB SCREW SHELL AND THE MIDDLE PRONG INSIDE THE SOCKET WILL BE THE NEUTRAL -- THEREFORE WHEN YOU CHANGE THE BURNT OUT LIGHT BULB YOU WILL GET SHOCKED BECAUSE THE SCREW SHELL PART IS HOT!! IF WIRED CORRECTLY YOU WILL NOT GET SHOCKED BECAUSE THE HOT (120VOLTS) WILL BE INSIDE THE SCREW SHELL ON THE PRONG AND YOU WON'T BE TOUCHING THAT PART WHEN YOU CHANGE THE LIGHT BULB!!
What else can I help you with?
What is the equipment required to do a CT polarity test?
You shouldn't need to perform a polarity test on a CT, as its terminals are normally identified with polarity markings.
How do you test polarity on a boiler?
To test polarity on a boiler set the meter to loop, touch the two leads together, and it will buzz or read as "000". This will show you the polarity as well as test for continuity.
What is the aim of doing polarity test on the transformer?
Knowing the polarity of transformers is important if they are to be connected in parallel.
Why test for polarity in welding?
Different material welds differently depending on polarity. There are also different types of welding rods, so polarity must be tested.
How can you do the polarity test of a switch?
A 'polarity test', as it applies to a switch, is performed to confirm that the switch is located in the line conductor and not in the neutral conductor.
What is the equipment required to do a CT polarity test?
You shouldn't need to perform a polarity test on a CT, as its terminals are normally identified with polarity markings.
How do you test polarity on a boiler?
To test polarity on a boiler set the meter to loop, touch the two leads together, and it will buzz or read as "000". This will show you the polarity as well as test for continuity.
What is polarity test and continuity test?
a test to be conduct for find the phase...
What is the aim of doing polarity test on the transformer?
Knowing the polarity of transformers is important if they are to be connected in parallel.
How do you test reverse power trip?
There is a test swich which will change the polarity of the sensors........
Why test for polarity in welding?
Different material welds differently depending on polarity. There are also different types of welding rods, so polarity must be tested.
How can you do the polarity test of a switch?
A 'polarity test', as it applies to a switch, is performed to confirm that the switch is located in the line conductor and not in the neutral conductor.
Why the polarity of transformer is important?
a polarity test is a test which use to check the polarity of tranformer.the rision of this test to running the two or more transformer in parallel.like bettry situation or to fin the terminals
How do you test speaker wire polarity?
Observe polarity and touch a 1.5 volt battery to the terminals and note the direction the speaker cone moves.
Why is polarity test done?
On the CT there will be a white dot that represents a polarity mark. This is used to connect to the correct polarity terminal on the device that the CT is connected to. Additional CT transformers must be connected to the recording or monitoring device using the same polarity as the first CT.
What is the importance of lamp cord polarity in electrical wiring and how can it affect the performance and safety of a lamp?
The importance of lamp cord polarity in electrical wiring is to ensure that the hot and neutral wires are connected correctly. If the polarity is reversed, it can affect the performance of the lamp by causing it to flicker or not work at all. It can also pose a safety hazard by increasing the risk of electric shock or fire.
What is the importance of hardness test?
What is the important of microhardness test
