Now a software company.
Electrical Ops, Inc. no longer takes electrical contracting projects. Our focus is Stinger Pro software. Read the story →
Technical resources

A library for the trade.

A growing resource for electrical contractors, estimators, and project managers: calculators, tables, estimating articles, project-controls guidance, and Stinger Pro documentation.

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Two tools worth your five minutes.

2026 Buyer’s Guide

An independent, sourced comparison of electrical estimating, takeoff, and accounting software — pricing, five-year cost, price-update services, ownership, and where the money really goes. Written by a 40-year master electrician.

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Cost & Savings Calculator

Enter what you pay now for your software — estimating, price service, takeoff, accounting — and see how it stacks up against Stinger Pro’s one-time $4,500 license over the next few years. Your numbers, your call.

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Estimating & Labor

Labor units, burden, markup, bid summaries, takeoff methodology, and the estimating mistakes that cost real money.

Electrical Engineering Tools

Voltage drop, conduit fill, motor tables, transformer sizing, feeder design, and field calculators.

Project Controls

Scheduling, Gantt planning, project documents, change orders, billing, closeout, and job-cost discipline.

Software Documentation

Stinger Pro release notes, user guides, tutorials, and onboarding materials.

In progress. The resource library is being built out over time. If there’s a calculator, table, or topic you’d find useful, tell us and we’ll prioritize it.
Why resources

A technical destination, not a sales pitch.

Electrical Ops isn’t selling contracting anymore, so this section exists to be genuinely useful to contractors and estimators — and to be the natural place people find Stinger Pro when they’re ready.