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L1 and L2 stand for "Line 1 and Line 2". These are the two incoming hot legs of a single phase, 220V electrical supply as is typical for residences.

The N stands for the neutral or grounded conductor. This is the white wire in a residential system.

Since L in electricity stands for inductance, L1 and L2 could also possibly be inductor 1 and inductor 2. And the N in electricity means Number of Turns (of the copper wire into a coil). Therefore, it could be about residential wiring or inductors.

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11y ago
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9y ago

L1 and L2 stand for "Line 1 and Line 2". These are the two incoming hot legs of a single phase, 220V electrical supply as is typical for residences.
The N stands for the neutral or grounded conductor. This is the white wire in a residential system.

Since L in electricity stands for inductance, L1 and L2 could also possibly be inductor 1 and inductor 2. And the N in electricity means Number of Turns (of the copper wire into a coil). Therefore, it could be about residential wiring or inductors.

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13y ago
Answer for USA, Canada and countries running a 60 Hz supply service.Typically black and red. Neutral is usually white.

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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 JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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12y ago

in electrical its usually uses I1 and I2 .....i3 etc they actually stands for intensity (ampere).you might have notices these must be always in series in a line

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Q: What does L1 L2 and N mean in electrical terms?
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How does L1 French affect learning English?

The L1 will help the learner acquire the L2 language, but the key here is that the learner has to be literate in the L1 before it can be used as a foundation for the L2. If the learner is not literate the teacher can not use the L1 and has to start from the basics for the L2.