Hioki Voltage Detectors

Non-contact voltage detectors for safe live-line detection.

1 product found

Shop Hioki Voltage Detectors

3481-20

Hioki 3481-20 Voltage Detector 40V–600V

Non-contact AC voltage detector with LED pilot light and buzzer. Detects 40–600V AC (50/...

₹2,216 ₹1,662 + 18% GST

What is a Voltage Detector?

A voltage detector alerts you to the presence of electrical voltage without giving a reading. It simply says "voltage is here" with a light or sound. Non-contact models detect voltage through wire insulation—no need to strip wires or create hazardous exposed conductors.

Why this matters: The #1 cause of electrical injuries is working on circuits you think are de-energized but aren't. Voltage detectors provide a quick safety check before touching any electrical equipment. They're the first step in safe electrical work.

Key advantage: A ₹1,000 voltage detector can prevent electrocution. It's the most important safety tool in an electrician's kit.

Why Choose the Hioki 3481-20?

Hioki voltage detectors are trusted for electrical safety:

1. Non-Contact Detection (No Exposed Wires)

Sense voltage through insulation without stripping wires. Safer for both you and the electrical system. No accidental shorts.

2. Covers Standard Household to Industrial Voltages (40-600V AC)

Detects anything from household circuits (120V-230V) to standard industrial and commercial voltages up to 600V, matching its CAT IV 600V safety rating.

3. Instant Visual & Audible Alert

The red LED lights and buzzer sounds immediately when voltage is detected. You will know instantly if a conductor is live.

4. Adjustable Sensitivity

Variable sensitivity (40-80V AC threshold) helps you avoid false alarms from nearby live conductors and focus on the specific circuit you are testing.

5. Compact & Always Ready

Fits in a shirt pocket. Battery-powered. Use every time before touching a circuit — takes seconds. The safest habit in electrical work.

Popular Hioki Voltage Detectors

Essential safety tools for electrical work:

Type	Model	Range	Best For	Detection
Non-Contact Detector	3481-20	40-600V AC	Live-wire safety checks before wiring or maintenance work	LED + Buzzer

Voltage Detection Applications in Indian Industry

Safety first—every electrical job needs voltage detection:

Residential Electrical Work & Repairs

Before any electrical work (replacing switches, outlets, breakers), verify de-energization with a voltage detector. Prevents accidental electrocution.

Industrial Panel & Switchgear Work

Before opening panels or touching components, verify circuits are truly de-energized. Non-contact detection through panel insulation is safest.

Solar Installation Safety

Before working on inverters, disconnects, or DC arrays, verify power is off. Non-contact detectors sense through insulation, preventing dangerous exposures.

Fault Finding & Troubleshooting

Trace voltage through the circuit to find the problem location. Non-contact detection lets you follow wires without touching them.

Electrical Safety Training

Every apprentice electrician must learn voltage detection. It's the first line of defense against electrocution.

Maintenance & Lockout-Tagout Procedures

Before opening any electrical equipment, verify de-energization. Voltage detectors provide quick confirmation before starting work.

Frequently Asked Questions

Can a voltage detector replace a multimeter?

No. A voltage detector only confirms "voltage is present" or "no voltage" — it does not measure the actual level. Use both: the detector for a quick safety check, the multimeter for precise diagnosis.

Why use non-contact detection?

Contact detection requires stripping wires, creating hazardous exposed conductors. Non-contact detection through insulation is faster and safer.

Can voltage detectors sense through thick insulation?

Yes, though very thick insulation may reduce detection distance. Most standard residential and industrial wiring insulation is detectable at close range.

What if I get a false positive?

Nearby live conductors can sometimes trigger a detector. The 3481-20's adjustable sensitivity (40-80V AC threshold) helps you focus on the specific conductor you are testing. When in doubt, double-check with a multimeter.

How often should I test my voltage detector?

Test it on a known live circuit before every job to confirm it is working correctly. Replace the LR44 batteries when the response becomes weak or unreliable.

Is it safe to use this voltage detector on 600V circuits?

Yes — the 3481-20 is CAT IV 600V rated and detects AC voltage from 40V to 600V. Even so, 600V circuits are dangerous: always follow proper lockout-tagout procedures and site safety protocols.

Can I use a voltage detector in wet conditions?

Be cautious. The detector itself should not be submerged, and wet conditions generally increase electrical risk — wet hands and surfaces conduct electricity more readily. Take extra care in damp environments.

Buy Hioki Voltage Detectors in India

Industrial Supply Syndicate is an authorized independent reseller of Hioki voltage detectors in India. We stock the complete range and ship pan India with GST invoice. For bulk orders, institutional procurement, and tender requirements, please contact us for special pricing.