Preventive Electrical Maintenance: The Secret to Zero-Downtime Facilities

When lights flicker or machines cut out, production stops—and revenue bleeds. Yet most of those costly outages can be avoided with one simple practice: preventive electrical maintenance (PM). Below, we break down why a proactive plan—executed by a licensed electrical contractor—is the smartest investment commercial and industrial facilities can make.

🛑 1. Stop Problems Before They Start

Small issues—loose terminations, worn insulation, unbalanced loads—silently degrade equipment long before alarms sound. Thermographic scans, torque checks, and insulation-resistance tests performed on a fixed schedule catch these red flags early, letting you fix a $50 part before it becomes a $50 000 outage.

⚖️ 2. Protect People & Property

Overheated conductors and failing breakers are leading causes of electrical fires. Licensed contractors follow the Ontario Electrical Safety Code (OESC) and CSA Z462 arc-flash standards when they:

• Tighten and re-torque connections

• Verify breaker settings and trip curves

• Clean and re-lube switchgear

The result is a safer workplace, fewer WSIB claims, and happy insurance underwriters.

📊 3. Boost Energy Efficiency

Dirty contacts and out-of-tolerance motors draw more current than necessary. A PM program fine-tunes power factors, balances phases, and keeps conductors running cool—often cutting energy costs by 5-10 % without a single equipment upgrade.

⏳ 4. Extend Asset Life

Every start-stop cycle stresses motors, VFDs, and PLC power supplies. Regular inspections, filter replacements, and calibration double or triple component life, freeing capital for growth projects instead of surprise replacements.

💵 5. Prove Compliance & Lower Insurance Premiums

Documented PM reports from a licensed electrical contractor create a paper trail that:

• Satisfies ESA inspectors

• Demonstrates due diligence to insurers

• Strengthens warranty claims with OEMs

Some underwriters offer premium discounts when a certified PM program is in place.

How CIS Can Help

At CIS, we design tailored preventive-maintenance packages that fit your production schedule:

Service	Frequency	Key Deliverables
Thermographic survey	Semi-annual	IR images & exception report
Load-bank testing	Annual	Full-load performance curves
Switchgear service	3-year	Megger, Ductor, lubrication
Arc-flash study update	5-year / major change	Updated labels & PPE tables

Whether you need a one-time health check or a full turnkey program, our licensed, WSIB-covered electricians keep your facility running safely and efficiently—24/7/365.

Ready for Zero Downtime?

📞 Contact CIS today for a free site walk-through and customized PM quote. Let’s turn “unexpected outage” into ancient history.