An electrical safety audit is an independent, documented inspection of your electrical installation against Indian Standards and the requirements of the Indian Electricity Rules, 1956. It is not the same as an AMC visit (which maintains an installation over time) and it is not the same as a routine checkup (which may be informal and undocumented). An audit produces a written report with findings, IS-compliance status and recommended corrective actions.
This guide explains what a safety audit covers, what a useful report looks like and who genuinely needs one. It is aimed at factory owners, facility managers, housing society committees, school administrators and property owners in Chh. Sambhajinagar (Aurangabad).
What an electrical safety audit covers
Incoming supply and metering
The audit starts at the point of supply: the MSEDCL meter, the main switch and the incoming cable. We check whether the incoming cable is rated for the sanctioned load, whether the main switch rating matches the incoming fuse, and whether the energy meter and CT ratio (for HT or large LT connections) are correct. For factories with a demand meter, we check whether the recorded demand matches what is actually connected.
Main and sub-panels
Every distribution board and panel is inspected: enclosure condition (IP rating, door gasket, cable entry sealing), bus bar rating versus load, MCB/MCCB ratings and settings, overload and short-circuit protection coordination, and label condition. Thermal imaging identifies hot spots - loose terminations that are dissipating heat rather than conducting current efficiently. Hot spots above a delta-T of 20 degrees C are flagged as immediate corrective action.
Wiring and cable condition
Cable routing is checked against IS 732:2019 requirements: cables through walls should be in conduit, cables in the open should be protected from mechanical damage, cables crossing heat sources should have appropriate ratings, cable tray loading should not exceed 50% of tray capacity. Cable insulation condition is checked visually - cracked, brittle or heat-damaged insulation is a fire risk. An insulation resistance (megger) test on critical circuits confirms the electrical integrity of the insulation.
Earthing
Earth pit resistance is measured with a calibrated three-point earth resistance tester. IS 3043:2018 requires industrial installations to maintain earth resistance below 1 ohm. The physical earth bus continuity is traced from the main panel earth bar to each equipment body and to each socket earth pin. Lightning arrester earthing independence is verified where a lightning protection system is installed.
Protection devices
RCCBs and ELCBs are tested by pressing the test button. An RCCB that does not trip has failed and is not providing the protection it appears to. Overload relay settings are checked against motor nameplates. Phase failure relay presence and settings are noted. Where there is no phase failure protection on three-phase motors, this is flagged - single-phasing is the leading cause of motor winding burnout in MIDC factories.
Fire risk assessment
The audit notes electrical fire risks: overloaded circuits, inadequate cable sizing, cables near heat or oil sources, open junction boxes, missing cable gland packing and any sign of previous arcing or burning (discoloration, char marks). IS 5216 requirements for electrical safety at work are applied as the reference.
What the audit report contains
A useful audit report is not a checklist with ticks. It should contain:
- Site details: date, premises, connected load, installation age where known.
- Earthing measurements: earth pit resistance readings for each pit, continuity readings from equipment body to earth bus.
- Insulation resistance readings on circuits tested (megger test values, voltage applied, duration).
- Panel and protection findings: hot spot locations and delta-T readings, protection device test results, overload relay settings versus nameplate.
- IS compliance summary: which IS standards were applied and which specific clauses are not currently met.
- Corrective action list: prioritised into immediate (safety-critical), short-term (within 30-90 days) and recommended improvements.
- Signed by the supervising engineer, with qualification noted.
This report is what makes an audit useful beyond the day of the visit. It becomes a reference for prioritising electrical maintenance budget, a document for insurance or regulatory inspection, and a baseline when the installation is next audited.
Who needs an electrical safety audit
- Factories - especially MIDC units that have been operating for 5 or more years without a formal electrical inspection. IE Rules 1956 requires periodic inspection of electrical installations; the audit provides the documented evidence.
- Housing societies - common area wiring, pump and lift electrical systems, generator and ATS, common corridor and parking lighting. Many society committees are surprised by what an audit finds in installations that look fine from outside.
- Schools, colleges and hostels - where the electrical installation affects a large number of people and a fault can have serious consequences.
- Hotels and restaurants - kitchen load, generator, high-usage circuits and guest area wiring all benefit from a systematic audit rather than piecemeal fixes.
- Properties changing hands - a buyer or incoming tenant who commissions an electrical audit before signing gets an independent view of what the installation's actual state is.
- Any premises facing insurance renewal - insurers increasingly ask for documentation of electrical inspection; an audit report is the right document.
Audit versus AMC: which do you need?
The two are complementary, not alternatives. The audit tells you where the installation stands right now. The AMC then maintains and improves it over time. If your installation has never been audited, starting with an audit is the right sequence - it establishes the baseline and gives the AMC provider a clear picture of what they are maintaining.
Details of our electrical safety audit service are on the service page, including what we cover for factories, housing societies and institutional premises. We cover Waluj MIDC, Shendra MIDC, Chikalthana, CIDCO and surrounding areas.
