Electrical Preventive Maintenance Schedule for a Factory: Template by Asset

An electrical preventive maintenance schedule lists every electrical asset in the factory, the task done on it, how often, who signs it off and what record is kept. Intervals are set by the manufacturer's manual, your duty cycle and your risk assessment, not by one universal number. This template shows the fields and the asset rows to start from.

What should each field of the schedule say?

A schedule that only says "check panel monthly" cannot be audited. Each row needs seven fields, and each one answers a question an inspector or insurer will ask.

• Asset ID and location: the tag on the equipment and the room or yard it sits in.
• Task: the specific check, test or service, in a verb-first line.
• Frequency: daily, weekly, monthly, quarterly, annual or by running hours.
• Basis: the manual, regulation or standard the task comes from.
• Done by: in-house electrician, licensed contractor or OEM engineer.
• Acceptance value: the reading that passes, such as an earth resistance limit from the design.
• Record: the log sheet, test report or photograph that proves it was done.

Where do the requirements come from?

The Electricity Act, 2003 makes the Electrical Inspector a statutory authority, and the Central Electricity Authority's safety regulations set duties on owners to maintain installations safely and to keep them inspectable. Earthing practice follows IS 3043. Switchgear maintenance practice is covered by the IS 10118 series. For each row, the template says "manual" where the OEM document is the basis; those documents differ by make and model, so the schedule must be built from your own.

State inspectorates also run periodical inspections of HT installations. The schedule is the evidence you hand over on that day. Our CEIG guide explains what the inspector looks at.

What does the template look like by asset?

The table below is a copyable structure. Frequencies are typical starting points that you adjust to the manual and your own history; they are not regulatory minimums unless your inspectorate or insurer says so.

Who should do which task?

Daily rounds, log readings and cleaning can sit with trained in-house electricians. HT switching, relay testing, transformer oil sampling and thermography should be done by people with the right licence and instruments. Under the Electricity Act framework, work on installations is done by licensed electrical contractors and supervisors, and the schedule should name who holds the licence for each task. Keep calibration certificates for the instruments, because a reading from an uncalibrated meter proves little.

What goes on the daily and weekly rounds sheet?

The rounds sheet costs the least in the programme and catches the most. The electrician walks the substation, panel rooms and DG yard and records what he sees against a fixed list.

• Panel room: temperature, ventilation, door seals, no stored material, no water ingress, indicator lamps working.
• Transformer yard: oil level and temperature readings, breather colour, no oil leaks, fencing and signage intact.
• Meters: voltage, current per phase, power factor and maximum demand noted against the previous day.
• DG set: fuel level, battery condition, coolant level, no alarms, and a no-load or load run as per the plan.
• Safety kit: rubber mats, insulated gloves, fire extinguishers and the single-line diagram displayed and in date.

Readings matter more than ticks. A current that creeps up by a few percent over weeks on the same load is an early warning of a loose termination or a failing motor, and it only shows if the number is written down.

What mistakes make a schedule fail?

• Copying a template without removing assets the factory does not have, or missing assets it does, such as a new solar inverter or a lift panel.
• Setting frequencies once and never reviewing them against faults.
• Doing shutdown work without a permit-to-work and lock-out procedure, so the task is skipped when production objects.
• No spares list, so a known weak part waits weeks for delivery.
• Test results filed without acceptance values, so nobody can tell a pass from a warning.

How do you keep the schedule working?

Three habits matter more than the template. First, every task generates a record, even when the finding is "no defect". Second, every defect gets an action, an owner and a closing date, so findings do not accumulate unseen. Third, review the frequencies once a year against the fault history: if a feeder trips twice, its row moves from annual to quarterly. A schedule that never changes is probably not being used.

The cost of running the programme depends on the asset count, the HT content and who does the work. The MEP maintenance budget calculator gives a starting budget, and the AMC page explains what a contract covers.

How Secured Engineers helps

For maintenance the company writes asset-wise schedules for electrical, fire, HVAC and plumbing systems and can carry them under an annual maintenance contract. Design is done in-house, and approvals such as Fire NOC, CEIG and DISCOM net-metering are filed in-house. Mechanical, electrical, plumbing, fire and solar work can sit under one contract. The company works from offices in Noida and Ludhiana and reports 535+ projects across 18+ states and an 89.77% repeat-client rate.

To discuss your site, WhatsApp or call +91 70099 85817, or request a free quote. The relevant page is AMC and maintenance services.