Reference Tables
Generator Noise Level by Distance Table: Outdoor dBA Estimates
Use this generator noise level by distance table to estimate outdoor dBA from a known rating and understand property-line and bedroom limits.
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Reference Tables
Quick-lookup tables: run rates, clearances, derating, intervals and costs you can check against a nameplate or a code section.
Reference Tables
Generator Installation Clearance Table: Standby and Portable Units
Compare generator installation clearances for standby and portable units, with manufacturer guidance, source dates, and placement checks.
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Voltage Drop Per Foot of Generator Feeder Wire: Reference and Method
Estimate voltage drop per foot or metre of generator feeder wire from current and conductor resistance, with a worked example and limits.
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Motor Starting Surge Multiplier Table: Current Ratios by Starting Method
Use this motor starting surge multiplier table to estimate starting current, compare starter methods, and understand generator sizing limits.
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Generator Altitude and Temperature Derate Table: Model-Specific Factors
Compare model-specific generator altitude and temperature derate factors, calculate output loss, and check the conditions behind each value.
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Generator Fuel Tank Size vs. Runtime: Choosing for Refill Intervals
Compare generator fuel tank size and runtime using usable fuel, load-specific consumption, refill intervals, and propane supply limits.
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Generator Engine Oil Specifications and Capacity by Model
Compare generator engine oil specifications and capacities by model, with manufacturer manual references and checks before filling.
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Generator Rated Output vs Ambient Temperature: Derating Table
Compare generator rated output vs ambient temperature using a model-specific derating table, a worked example, and cooling-limit checks.
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Generator Cost per kWh by Fuel, Size, and Load: Comparison Table
Compare generator cost per kWh for gasoline, diesel, propane, and natural gas using model-specific fuel data, load levels, and example prices.
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Generator Electrical Symbols & One-Line Diagram Notation Reference
Decode generator one-line diagram symbols, electrical abbreviations, power ratings, phase labels, and common protection device numbers.
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Generator Emissions Stages by Engine Power: EPA Tier 4 and EU Stage V
Compare generator emissions stages by engine power, including EPA Tier 4, EU Stage V, and the checks needed for stationary standby units.
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Generator Availability Targets and Redundancy Levels: N, N+1 and 2N
Compare generator availability targets with N, N+1 and 2N redundancy, annual downtime budgets, equipment counts and system design limits.
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