Free Electrical References

Guides

• Fuse Ratings for Motor Protection Using Motor FLA
• Fuse Ratings for Motor Protection Using Motor HP
• Ambient Temperature Derating Curve for Fuses
• Choosing the Right Splices
• Generator Sizing Chart for Appliances
• Generator Fuel Pipe Sizing Guide
• Generator Propane Tank Sizing Guide
• Whole-House Audio System (Broan / Nutone Guide)
• Line Noise
• Surges and Spikes (Comparing and Choosing the Right Level of Surge Protection)
• Brownouts
• Heat Dissipation in Electrical Enclosures
• Hazardous Material Location Basics
• Proximity Sensor Types and Operation
• Occupancy Sensor Application Guide
• A10 Heater Coil Selection
• Conduit Bending Instructions (EMT Bender)
• Commercial Lightning Guide
• Residential Lightning Guide
• Light Level Foot Candle Recommendations
• Find Number of Light Fixtures for Lighting Level
• Lamp Mounting Height Guide
• Switch Plate Selection
• Control Transformer Selection
• Compare the Protection of NEMA Enclosure Types

Data / Comm References

• Ethernet Cable Guide
• Attenuation for Coaxial and UTP Cables
• Backbone Runs: UTP Cable Insertion Loss & Power Sum NEXT Loss
• Basic/Channel Link Attenuation
• Basic/Channel Link Next Loss (Pair-to-Pair)
• Circuit Protection
• Common Types of Cabling
• Copper Wire Limitations
• Digital Patch Cable (DPC) Coding
• Ethernet 10Base-T Crossover Patch Cord
• Ethernet 10Base-T Straight Thru Patch Cord
• General Cable Installation Rules
• Horizontal Runs: UTP Cable Attenuation/Next Loss (Worst Pair)
• Installing Category Data Cables
• Separation from Sources of Interference
• Standard Materials for Structured Cabling (568) Systems
• Telecommunication Outlet Specifications
• UTP Connecting Hardware: Attenuation/Next Loss
• Minimum Bending Radius for Cable
• UL Performance Verification Information

Product Info

• NEMA Twist Lock Plug & Receptacle Configurations
• NEMA Straight Blade Plug & Receptacle Configurations
• Electrical Boxes
• Raceways, Conduits and Fittings
• Electrical Meters and Testers
• Electric Motor Supplies
• Electrical Wire and Cable
• Wiring Devices: Outlets and Switches
• Generators and Transfer Switches
• Light Bulbs and Lamps
• Light Fixtures
• Lighting Automation: Motion Detectors, Occupancy Sensors, Smart Lights
• Emergency Lighting: Exit Signs and Escape Lighting
• Outdoor Lighting
• Load Centers, Circuit Breaker Box, Electrical Panel
• Wire Splices and Connectors
• The Benefits of One-Stop Supplies

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