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Frequently Asked Questions
Why keep racking handles and test plugs on site?
They are how the gear is operated.
Each make has its own.
They are not interchangeable.
The need arises during an outage.
Borrowing one takes longer than the job.
What does a retrofit kit avoid?
Replacing an entire line-up.
Busbars and enclosure stay put.
Cable terminations are undisturbed.
A current device fits the old cubicle.
Downtime falls to a day or two.
Do panel heaters really matter?
In damp and cold rooms, very much.
Insulation surfaces attract condensation.
Tracking follows moisture.
A small heater keeps panels above dew point.
It costs almost nothing to run.
Which parts fail before the main device?
The small ones attached to it.
Auxiliary contacts.
Closing and trip coils.
Motor charging mechanisms.
All cheap and all worth stocking.
How is obsolescence spotted early?
By asking the maker for the status.
Product lifecycle notices exist.
Spares availability has an end date.
Electronics go first.
Planning beats discovering it at a fault.
Are spare cells worth holding?
On a plant with many identical ones.
A swap restores service immediately.
Repair then happens off the critical path.
One spare covers many positions.
Standardisation is what makes it work.
Do filters and gaskets need a schedule?
They do, and they rarely get one.
Blocked filters raise internal temperature.
Heat shortens everything's life.
Perished gaskets admit dust and damp.
Both are cheap and quick to renew.