Electrical Basics
Energy Monitoring Commissioning Checklist for Installers
Use a commissioning record to verify project scope, account access, intended energy views, known limits, customer handoff, and follow-up ownership.
Read articleBlog topic
Energy & Electricity Basics
Build a practical understanding of voltage, panels, meters, loads, and the electrical context behind product fit. 27 articles in this collection Latest articles
Practical reading for the next home energy decision.
Explore practical guidance for energy, heating, water protection, and connected-home decisions.
Electrical Basics
Your First Week with a Home Energy Monitor: What to Check
Use this seven-day plan to establish a baseline, compare like days, add known household context, and avoid overreading home energy data.
Read article
Electrical Basics
How Electricians Can Offer Home Energy Monitoring as a Service
A practical framework for electricians to scope, install, hand off, and support home energy monitoring without blurring product or contractor responsibilities.
Read article
Electrical Basics
Why Your Home Energy Monitor Does Not Match Your Utility Bill
Learn why a home energy monitor and utility bill can show different totals, then compare aligned kWh periods with a safe step-by-step checklist.
Read article
Electrical Basics
How to Read Home Energy Monitor Data: kW, kWh, Voltage, Current, and Power Factor
Learn what kW, kWh, voltage, current, and power factor mean so you can interpret home energy monitor readings with confidence.
Read article
Electrical Basics
My Electric Bill Doubled in One Month? Here’s How to Find the Real Cause
My electric bill doubled in one month — is it a mistake or real usage? Use this step-by-step checklist to find the cause and learn how a home energy monitoring system helps you pinpoint the exact circuit.
Read article
Electrical Basics
Line Voltage to Thermostat Relay Power Supply — A Simple Guide for Homeowners
Many home heaters run on line voltage. Here’s how relays, neutral wires, and thermostat wiring work together to keep your system safe and efficient.
Read article
Electrical Basics
How to Tell If an Outlet Is 120V or 240V
Most U.S. household outlets are 120V. Learn how visible labels, outlet and plug patterns, and breaker labels can help distinguish 120V from 240V safely.
Read article
Electrical Basics
120V or 240V Baseboard Heater Smart Thermostats Installations: What’s Single-Pole vs Double-Pole, 2-Wire, 3-Wire or 4-Wire?
Learn how to wire 120V and 240V baseboard heater thermostats, including single-pole vs double-pole and 2-, 3-, 4-wire setups. Updated for 2025 with Black Friday smart thermostat tips.
Read article
Electrical Basics
Home Electrical Load Calculator | Visual Circuit & Breaker Planner
Use this free electrical load calculator to plan circuits visually and map your breaker panel—powered by Grus.io
Read article
Electrical Basics
How to Monitor Your Whole Home Electricity Usage with a 120/240V Energy Monitor
Discover how to monitor your entire home's energy usage using a 120/240V energy monitor. Learn how the Grus WattPanel‑2X helps homeowners track real-time electricity consumption and reduce energy waste.
Read article
Electrical Basics
What Is a Multi-Circuit Energy Meter? Use Cases & Benefits Explained
Stop energy waste! Learn how circuit-level monitoring reduces costs for factories and buildings. Includes case studies and setup tips.
Read article
Electrical Basics
Understand the principle and calculation logic of 120V, 120V/240V, and 120V/208V voltages through AC voltage waveforms
Learn the differences between 120V, 120V/240V, and 120V/208V AC voltage waveforms, their applications, and voltage calculations. Discover how split-phase and three-phase power work and optimize energy usage with smart meters.
Read articlePlanning your next purchase?