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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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12y ago

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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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Wiki User

10y ago
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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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14y ago
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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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13y ago
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Q: What does L1 L2 and N mean in electrical terms?
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