Field notes · 37 guides
Electrical answers, without the jargon
Sizing, code rules, comparisons, troubleshooting: the questions homeowners actually ask, answered with numbers and sources.
Start here
Protection & Smart Home
Where to Put Carbon Monoxide Detectors: Placement That Works
Generators50 Amp Generator Cords: Sizes, Plugs & What to Buy
Electrical PanelTandem Breakers: When You Can (and Cannot) Use Them
Generators · ⚙ toolWhat Size Generator Do I Need? Sizing Worksheet & Calculator
Electrical PanelAFCI vs GFCI: What Each Protects and Where Code Wants Them
Outlets & CircuitsHow Many Outlets on a 20 Amp Circuit? The Real Rules
Electrical Panel200 Amp Service Wire Size: Copper, Aluminum & Conduit
Electrician Rates & RewiringHow to Read Your Electric Meter (Dial, Digital & Smart)
All field notes
Outlets & CircuitsTamper Resistant Outlets: How They Work & Why Code Requires Them
Outlets & Circuits15 Amp vs 20 Amp Outlets: The Difference That Matters
Electrician Rates & RewiringCopper vs Aluminum Wiring: Safety, Cost & What Inspectors Flag
GeneratorsGenerac vs Kohler (vs Cummins & Briggs): Standby Compared
Outlets & CircuitsSpace Heaters & Your Wiring: Cords, Power Strips, Tripping
Outlets & CircuitsGFCI Breaker vs GFCI Outlet: Which One to Use Where
Outlets & CircuitsHow to Test a GFCI Outlet (and How Often)
EV Charging & BatteryEV Charger, Panel & Battery Tax Credits: What You Can Claim
EV Charging & Battery · ⚙EV Charging Cost Calculator: What Home Charging Really Costs
Electrical PanelSquare D Homeline vs QO (& Breaker Brand Compatibility)
Electrical Panel · ⚙Panel Schedule Template: Label Your Breaker Box Properly
Outlets & CircuitsHow Many Watts Can an Outlet Handle?
Electrical PanelElectrical Panel Clearance Requirements (Closets, Bedrooms…)
GeneratorsGenerator for a Well Pump: Sizing the Start-Up Surge
Electrical PanelHow to Reset a Tripped Breaker, the Right Way
GeneratorsCan You Run a Generator in the Rain? Covers & Grounding
GeneratorsPortable Generator Maintenance: The Schedule That Prevents No-Starts
EV Charging & BatteryLevel 1 vs Level 2 Charging: Speed, Amperage & Breaker Size
Electrical PanelSubpanel vs Main Panel: What Each Does
Outlets & CircuitsWhat Is a Dedicated Circuit? Which Appliances Need One
Electrical PanelBreaker On but No Power? Where the Circuit Went
GeneratorsTransfer Switch Wiring: How It Connects (and Why Not DIY)
LightingChristmas Lights Blowing Fuses or Tripping Breakers? Fix It
Protection & Smart HomeHardwired vs Battery Smoke Detectors: Which to Install
LightingLED Lights Flickering? Strips, No-Dimmer Flicker & Early Burnout
Protection & Smart HomeIs a Whole House Surge Protector Worth It?
GeneratorsStandby vs Portable Generator (vs Battery Backup)
LightingHow Many Lights on a 15 Amp Circuit? LED Changed the Math
Electrician Rates & RewiringIs Knob and Tube Wiring Safe? The Honest Answer