Guides written from site visits

No datasheet copy-paste. These are the questions we ask before quoting, the mistakes we keep seeing, and the numbers you need to hand before you order.

Metering · 7 min read

How to choose a multifunction meter for an LT panel

Accuracy class, CT ratio and burden, cut-out size, parameters, communication and where meters get installed wrong.

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Power factor · 8 min read

Sizing an APFC panel — and why detuned reactors matter

A worked kVAr calculation, step schedules, harmonic risk, duty contactors and honest payback maths.

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Maintenance · 6 min read

Insulation resistance testing: voltages, limits, records

Test voltage per machine rating, PI and DAR, temperature correction and a log sheet that survives an audit.

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Coming next

Guides we are drafting. If one of these would help you now, ask and we will send the working notes.

Sizing a VFD by load type, not just motor kW

Earth pit testing: methods, season and record keeping

Setting up plant energy monitoring on Modbus

Thermography rounds: what to shoot and how often