MAINTENANCE
Switchgear maintenance and testing.
Testing, cleaning, and repair for the electrical backbone nobody looks at until it fails.
THE SHORT VERSION
What switchgear maintenance involves
Switchgear sits between the utility and everything your building does with power: breakers, contactors, protective relays, and distribution boards. It degrades quietly from heat cycles, dust, humidity, and load stress, and a neglected lineup fails exactly one way: badly.
Maintenance keeps faults isolated instead of cascading. Breakers get tested and exercised, connections checked for heat, relays verified, and the gear cleaned. It's unglamorous work that prevents the outage nobody budgets for.
WHAT MOVES THE NUMBER
Switchgear maintenance cost factors
- Gear age and condition: older lineups need more attention
- Section and breaker count across the lineup
- Testing depth: visual inspection up to full protective-relay testing
- Shutdown logistics, since much of the work needs the gear de-energized
- Thermal scanning, the fastest way to find failing connections
- Documentation state: gear with no records starts with a baseline
THE WARNING SIGNS
Signs switchgear needs attention
Nuisance tripping, warm panels, discoloration around connections, and buzzing are the gear talking. So is silence: a lineup that hasn't been opened, cleaned, or tested in years is overdue by definition.
Electrical failures cascade. The relay that should have isolated a fault but wasn't tested is how one problem becomes a building-wide outage.
THE FOUR MODES
Types of switchgear maintenance
The industry runs four modes: preventive on a schedule, corrective when something's found, predictive from thermal scans and readings, and full overhaul when age demands it.
Most buildings need the first three on a cycle aligned to recognized testing standards. The overhaul conversation starts when the gear predates the people maintaining it.
Gear older than the maintenance records?
That's common, and fixable. A baseline inspection prices flat and tells you where the lineup really stands.
QUESTIONS
Straight answers.
How often should switchgear be maintained?
Inspection annually, with deeper testing on a multi-year cycle aligned to recognized standards like NETA's schedules. Harsh environments and older gear tighten the interval.
Does the building lose power during maintenance?
Much of the real work requires de-energized gear, so it's planned for nights, weekends, or shutdown windows. Thermal scanning happens live, which is part of its value.
What is thermal scanning?
An infrared camera pass over energized gear that spots overheating connections and components before they fail. It's fast, non-invasive, and finds the problems that hide behind panel covers.
Our gear is decades old. Now what?
Age alone isn't failure, but unknown condition is risk. A baseline assessment tells you what's serviceable, what needs parts, and whether replacement planning should start.
GET STARTED
Get the gear tested.
Tell us the gear's age and the last time it was serviced. Testing and maintenance come back scheduled around your operations.