Access charts and
Access charts, tables, and calculators for quick . View and fill out forms, review technical guides, and check product safety recalls. Look up cable ratings and other industry-specific data instantly.
Showing 1–20 of 1,000 ranked alternatives.
1BIGRIG Ltd
Access calculators, safety guides, and checklists
Provides calculators for circuit design and load calculations. Includes safety references for UK electrical standards and BS 7671. Features checklists for installation and inspection tasks.
Thomas VanSlambrouck
Wire subwoofers, calculate cone area, suggest amplifier
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.
Cyberprodigy LLC
Wire diagrams, pinouts, calculate electricity
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
Whisker Labs, Inc.
Monitor power outages in real time
Monitor electrical systems for sparks and micro-arcs. Receive real-time alerts for power outages. Integrate with a sensor for fire prevention. Track electrical hazards and manage alerts within the .
iCertifi
Certify electrical systems on the go
Perform electrical inspections, testing, and certification offline. Create and save certificates without internet. Access BS7671 standards directly on iOS devices. Print or share certificates with a subscription.
Calculated Industries, Inc.
Explore RV systems with diagrams
Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.
PawEng, LLC
Answer daily questions and track your progress
Test knowledge of codes with daily quiz questions. Answer individual questions or complete as many as possible in one session. Includes 366 basic electrician-written questions for apprentices, journeymen, and masters.
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Southwire Company
Select size and type for installations
Determines minimum conductor size and recommends and cable types based on installation requirements. Follows National Electrical Code® standards. Calculates ampacity and voltage drop. Supports various wiring methods and conductor materials.
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