fluorescent tube 240 Volts

[skyline1977]

Hi, one electrician told me that wiring a fluorescent tube designed for 240 volts by two lines each is 120 V is wrong because it was designed to be fed by a 220v through the ballast and not 120 V and the other side connected to the tube directly being 0 and not 120 V. Is it true?

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[FvM]

Not clear how you want to supply the fluorescent line by two 120V lines. Please show the intended circuit.

 

[skyline1977]

Not clear how you want to supply the fluorescent line by two 120V lines. Please show the intended circuit.

 

[FvM]

Thanks for clarifying. Fluorescent lamps don't require one line connected to neutral. Both circuits should work.

 

[c_mitra]

Both diagrams are same; but do you get two phase supply at home?

If you have other devices running at 240V, then you have full two phase. Power hungry devices like ovens, washing machines, geysers etc. can benefit from 240V supply.

 

[skyline1977]

Both diagrams are same; but do you get two phase supply at home?

If you have other devices running at 240V, then you have full two phase. Power hungry devices like ovens, washing machines, geysers etc. can benefit from 240V supply.

It's for commercial use

 

[c_mitra]

That suggests that you have two phase supply and the two phases are 180 deg out of phase. Thus the voltage across the two phases will be 240VAC. Most modern fluorescent tubes have electronic ballast (you know you have that when you do not see any starter) that works for both 120V and 240V. But then you should use a double pole switch for this lamp (you need to see the electrical code for your country and region).