ന്യൂട്രലിൽ ലൈൻ കാണിച്ചാൽ എന്തു ചെയ്യണം? What to do if line shows in neutral ?
SAJIN ELECTRO
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ന്യൂട്രലിൽ ലൈൻ കാണിച്ചാൽ എന്തു ചെയ്യണം? What to do if line shows in neutral ?
17 819 просмотров · 1 год назад
SAJIN ELECTRO
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17 819 просмотров · 1 год назад
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🔌 "Line Coming from Neutral Point of a 3-Pin Socket – Causes & How to Detect It" 🔍
Sometimes, you might measure voltage on the neutral pin of a 3-pin socket — and that can be surprising. Neutral is supposed to be at or near zero volts, right? So why is it showing voltage?
This usually happens due to one of the following reasons:
✅ 1. Broken or Loose Neutral Connection:
If the neutral wire is disconnected or poorly connected somewhere in the circuit, it can "float" and pick up voltage from nearby live wires through inductive or capacitive coupling. It’s not a true power-carrying voltage, but it can show up on a tester or multimeter.
✅ 2. Neutral-Earth Reversal:
In some cases, the neutral and earth wires may be swapped due to faulty wiring. This can make the neutral pin carry current or show voltage dangerously.
✅ 3. Shared Neutral or Overloaded Circuits:
In buildings with multiple circuits, a shared or overloaded neutral line may develop a voltage drop, causing it to no longer sit at 0V — especially when the system is unbalanced.
⚠️ How to Detect It:
Use a multimeter to measure voltage between neutral and earth.
Ideally, this should be close to 0V.
If you see 80V, 120V, or even 230V — that’s a warning sign.
Check continuity of the neutral back to the main panel.
Use a neon tester — if it lights up on neutral, it may be live or floating.
Verify correct socket wiring using a socket tester.
🔧 Fix:
If you’re not experienced, call a licensed electrician. This kind of issue can lead to electric shock hazards or damage to appliances.