Amp Nerd https://validator.w3.org/feed/docs/rss2.html Blog A Power Station’s Neutral May Float—That Changes GFCI Behavior Your Solar Array Shuts Down in an Outage—On Purpose Generator Auto-Start Means an Engine Running With Nobody There Battery Voltage Is a Poor Fuel Gauge—A Shunt Does Better A BMS Disconnect Is a Last Resort, Not a Normal Control Lithium Costs More Per Amp-Hour and Less Per Usable Cycle A Sealed Battery Box Is Not the Same as a Ventilated One A Battery Bank Needs Its Fuse at the Battery, Not the Panel A Loose DC Connection Can Burn Without Tripping Anything An AC Breaker in a DC Circuit May Never Stop Arcing Home Off-Grid Wiring Still Needs Ground-Fault Protection Low-Frequency Inverters Are Heavier for a Reason That Matters An Inverter’s Surge Rating Has a Clock Attached to It An Off-Grid Generator Is a Battery Charger, Not a Power Source MPPT Is Not Simply a Better PWM—It Does a Different Job A Battery Bank Fails at Its Weakest Cell, Not Its Average Paralleled Battery Strings Do Not Share Current Equally A Higher Battery Bank Voltage Is Not Just a Bigger Number Off-Grid Sizing Starts with Winter, Not with Panel Count A Smart Panel Manages Power—It Does Not Create More of It Load Shedding Lets a Smaller Generator Behave Like a Bigger One A Generator That Sits All Year Is Not Ready to Run Refueling a Hot Generator Is How Outage Fires Start A Tarp Over a Running Generator Is Not Weather Protection A Smoke Alarm Will Not Warn You About Carbon Monoxide A Refrigerator Does Not Draw Its Nameplate Watts Continuously A Sump Pump on a Generator Is Not a Flooding Plan by Itself A Well Pump Is the Load That Decides Your Generator Size A Gas Furnace on Backup Power Can Still Refuse to Run A Portable Power Station Is Not a Small Home Backup Generator A Battery System and a Generator Solve Different Outage Problems A Critical-Loads Panel Often Beats Backing Up the Whole House A Standby Generator Is Only as Reliable as Its Controller Thin Mountain Air Costs a Generator Power It Never Gets Back Propane Makes a Generator Cleaner but Usually a Little Weaker Two Generators in Parallel Are Not One Machine of Twice the Size A 240-Volt Generator Outlet Is Not a Bigger 120-Volt Outlet An Unbalanced Generator Leaves Half Its Capacity Stranded Stale Gasoline Fails a Generator Long Before the Tank Runs Dry A Grounding Rod Is Rarely the Answer for a Portable Generator An Inverter Generator Is Not Simply a Quieter Conventional One Generator Waveform Quality Matters More Than Watts to Electronics A Generator Cord Is Rated as an Assembly, Not by Its Plug A Generator Inlet Is Not Just an Outdoor Outlet Turned Around Backfeeding an Outlet Can Kill a Lineworker Blocks Away An Interlock Kit Is Not a Loophole Around a Transfer Switch A Transfer Switch Is Not One Product—The Type Changes Everything A Floating-Neutral Generator Is Not a Wiring Defect