Electrical Safety Audit
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Audits Delivered
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Standards Referenced
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Testing Instruments

100%

Compliance Focused
Our Methodology

A six-phase audit process built on field discipline.

Every audit follows a structured workflow — from opening meeting to final report — so nothing in your installation is left unchecked

01
Opening Meeting & Scoping

Kick-off with the facility engineer, walk-through of the Single Line Diagram (SLD), and finalisation of audit scope, schedule and safety protocols.

02
Document & Compliance Review

Verification of statutory approvals — CEIG, DG set, lift, lightning protection — plus maintenance logs, test records and operator competency.

03
Field Inspection

Visual inspection of transformers, HT/LT panels, DG sets, capacitor banks, UPS, cable trays, earthing system and electrical rooms.

04
Instrumented Testing

On-site testing using calibrated instruments — BDV, IR, earth resistance, thermography, power quality and relay testing.

05
Risk Analysis & Gap Assessment

Findings are mapped against IS 5216, IS 3043, NEC, NFPA 70/70E/70B and CEA 2010 regulations and ranked by severity.

06
Reporting & Closure Meeting

A detailed report with photographs, thermograms, observations and corrective recommendations is presented to management.

Instrumented Testing

Specialised equipment for every critical test.

We use calibrated, industry-standard instruments — each test follows a documented procedure with quantified pass/fail criteria.

IS 1866 / IS 335

Transformer Oil Filtration

Vacuum dehydration & purification of insulating oil

Why it matters: Moisture, sludge and dissolved gases reduce the dielectric strength of transformer oil and accelerate insulation ageing, leading to failures and fire risk.

Test Procedure

  1. Isolate transformer and drain a sample of oil for pre-test analysis.
  2. Connect high-vacuum filtration plant through inlet/outlet valves.
  3. Heat oil to 60–65°C and circulate through vacuum chamber to remove moisture, gases and particulates.
  4. Continue filtration until BDV ≥ 60 kV and moisture ≤ 10 ppm is achieved.
  5. Re-test the oil and document final dielectric values.
BDV TESTING
IS 6792 / IEC 60156

BDV (Breakdown Voltage) Testing

Dielectric strength of transformer / switchgear oil

Why it matters: BDV indicates the oil’s ability to withstand electrical stress. Low BDV means contaminated oil that can flash-over inside a live transformer.

Test Procedure

  1. Collect oil sample in a clean, dry BDV test cup.
  2. Place sample in tester with 2.5 mm gap between standard electrodes.
  3. Apply rising AC voltage at 2 kV/s until breakdown occurs.
  4. Repeat 6 cycles with 1-minute stirring intervals.
  5. Report the average breakdown voltage in kV.
IS 732 / IEEE 43

Insulation Resistance (IR) Testing

Megger testing of cables, motors & panels

Why it matters: Degraded insulation causes leakage currents, earth faults and shock hazards. IR testing detects insulation weakness before it becomes a failure.

Test Procedure

    1. De-energise the circuit and discharge any stored capacitance.
    2. Connect megger leads between conductor and earth (and phase-to-phase).
    3. Apply 500 V / 1000 V / 2500 V DC depending on system voltage.
    4. Maintain test voltage for 60 seconds and record IR value in MΩ / GΩ.
    5. Calculate Polarisation Index (PI = 10 min / 1 min) — should be > 2.0.
earth pit testing
IS 3043

Earth Pit Resistance Testing

Verification of earthing system effectiveness

Why it matters: A high earth resistance defeats the entire protection scheme — fault currents won’t trip breakers and exposed metal parts can become live.

Test Procedure

    1. Disconnect earth conductor from the pit being tested.
    2. Drive auxiliary spikes at 15 m and 25 m in a straight line (fall-of-potential method).
    3. Connect 3-terminal / 4-terminal earth tester and inject test current.
    4. Read earth resistance — target ≤ 1 Ω for body, ≤ 2 Ω for neutral, ≤ 5 Ω for lightning.
    5. Top-up pit with salt/charcoal/water if value is high; re-test.
Power ANalysis
IEEE 519 / IEC 61000-4-30

Power Quality Analysis

Voltage, current, harmonics, PF & load study

Why it matters: Harmonics, unbalance and poor power factor overheat cables, trip equipment and inflate energy bills. A power study quantifies the actual electrical health.

Test Procedure

    1. Clamp CTs on each incoming phase and connect voltage probes.
    2. Log voltage, current, kW, kVAR, kVA, PF, THD-V and THD-I for 24–168 hours.
    3. Analyse waveform distortion, sag/swell events and unbalance %.
    4. Compare against IEEE 519 limits (THD-V ≤ 5%, THD-I ≤ 8%).
    5. Recommend harmonic filters, APFC tuning or load redistribution.
NETA ATS / NFPA 70B

Thermography (IR Scanning)

Non-contact hot-spot detection in live panels

Why it matters: Loose joints, overloaded cables and failing components generate heat long before they fail. A thermal scan finds these silent faults without shutdown.

Test Procedure

  1. Ensure the system is energised and loaded to at least 40% of full load.
  2. Open panel doors safely with appropriate PPE & arc-flash rating.
  3. Scan every joint, bus-bar, breaker and cable termination with IR camera.
  4. Flag any ΔT > 10°C (Class 2) or > 30°C (Class 4 — critical) against reference.
  5. Issue prioritised report with thermograms, RGB photos and corrective actions.
IS/IEC 60335 / IET Code of Practice

PAT (Portable Appliance Testing)

In-service safety testing of portable electrical appliances

Why it matters: Portable appliances — kettles, drills, extension leads, computers — develop insulation faults, broken earth conductors and damaged cords with use. PAT testing catches these defects before they cause shock or fire.

Test Procedure

  1. Visual inspection of plug, cord, casing and strain relief for damage.
  2. Earth continuity test — verify protective earth conductor ≤ 0.1 Ω + lead resistance.
  3. Insulation resistance test at 500 V DC between live parts and earth (≥ 1 MΩ Class I, ≥ 2 MΩ Class II).
  4. Polarity check and functional / load test to confirm correct operation.
  5. Affix pass/fail label with test date, next due date and tester ID; log results in asset register.
Compliance

Audited against the standards that matter.

Every observation in our report is referenced to a clause from a recognised Indian or international electrical safety code.

Ready to audit your electrical system?

Get a comprehensive safety audit conducted by chartered electrical safety engineers — with on-site instrumented testing and a detailed report you can act on.

Schedule a free electrical safety audit today.

One inspection is enough to change everything. Whether you manage a school, hospital, factory, or office — reach out, and we’ll be there.

Call Us: 91+ 9828248672
E-Mail: radhadeviwelfarefoundation19@gmail.com
Address: House no.7,Balaji Vihar, Near Gokuldham3, B.K.Col Nagar, Ajmer
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