• Specials
• Manufacturers
  • A-D Technology
    • HDPE Couplings
    • Pull Tape
    • Pull Lube
    • Pull Rope
  • Air King
    • Air Circulating Fans
    • Ceiling Fans
  • Amprobe
    • Meters
    • Probes
    • Sensors
    • Testers
    • Tracers
  • B.E.S.
    • Fish
    • Cable Pullers
    • Fish Accessories
  • Blue Diamond
    • HDPE Poly-Pipe
    • Corrugated HDPE Pipe
    • Smooth Wall Innerduct
    • Ribbed Wall Innerduct
    • Tracer Wire Innerduct
    • UL Listed HDPE Poly-Pipe
    • Figure 8 Innerduct
    • Geothermal HDPE Poly-Pipe
    • Cable in Conduit (CIC)
  • Bosch Power Tools
    • Cutters
    • Drills
    • Protective Equipment
    • Saws & Blades
    • Tool Sets
    • Specialty Tools
    • Merchandisers
  • Carlon
    • Bore-Gard PVC Conduit
  • Coleman Cable
    • Electrical Cables & Supplies
    • Speaker Wire
    • Rubber Cord
    • Ethernet Cable
    • Welding Cable
    • Thermostat Wire
    • Low Voltage Wire
  • Condux
    • Blocks & Rollers
    • Cable Benders
    • Manhole Products
    • Cable Pullers
    • Caddies & Holders
    • Cutters & Slitters
    • Underground Utility Tools
    • Racks & Supports
    • Pull Tape / Pull Rope
    • Miscellaneous Tools
  • Current Tools
    • Cable Pullers
    • Cable Rollers
    • Conduit Checkers
    • Knockout Sets
    • Pulling Grips
    • Reel Stands
    • Sheaves
    • Tool Storage
    • Miscellaneous Tools
  • DCD
    • Pins
    • Pullers
    • Rods
    • Swivels
    • HDPE Accessories
  • Eaton/Cutler Hammer
    • Circuit Breakers
    • Loadcenters
    • Disconnects
    • Emergency Generator Panels
  • Erin Rope
    • Electrical Innerduct & Pipes
  • Etco Specialty Products
    • Electrical Innerduct & Pipes
  • EYE Iwasaki
    • Halogen Lighting
    • Bulbs/Lamps
    • HID Lighting
  • Greenlee
    • Crimpers
    • Probes
    • Sensors
    • Testers
    • Tool Sets & Kits
    • Tracers
    • Coax/LAN
  • HID Lighting
    • Bulbs/Lamps
    • Industrial HID Lighting
  • Houston Wire
    • Electrical Supply Cable
    • Underground Cable
  • Ideal Tools
    • Cutters
    • Hole Saws
    • Meters
    • Strippers
    • Testers
  • Intermatic
    • Control Panels
    • Energy & Time Controls
    • Photo Controls
    • Pool & Spa Controls
  • Irwin
    • Tool Sets
  • Kidde
    • Smoke Alarms
  • Klein Tools
    • Block & Tackle
    • Clothing
    • Crimpers
    • Cutters
    • Drills & Drill Bits
    • Fish Tape
    • Grips
    • Insulated Tools
    • Tools & Storage Boxes
    • Knives
    • Measuring Tools & Testers
    • Nut Drivers
    • Pliers
    • Promotional Products
    • Protective Equipment
    • Flashlights
    • Saws & Saw Blades
    • Screwdrivers
    • Strippers
    • Wrenches
    • Tool Sets
    • Conduit & Pipe Benders
    • Tool Bags & Pouches
    • Miscellaneous Klein Tools
    • Hole Saws
  • Lenox
    • Auger Bits
    • Blades
    • Cutters
    • Extensions
    • Hole Saws
    • PVC Saws
    • Vari-Bit
  • Lightalarms
    • Emergency Lights
    • Exit Signs
    • LED Retrofit Kits
    • Power Packs
  • Lutron
    • Dimmers
    • Fan Controls
    • Switches
  • Makita
    • Hammer Drills
    • Drills & Drill Bits
    • Grinders
    • Lights
    • Drywall Screwdrivers
    • Nailers & Staplers
    • Planers
    • Batteries & Chargers
    • Protective Equipment
    • Routers & Shapers
    • Impacts & Impact Wrenches
    • Sanders
    • Saws & Saw Blades
    • Tool Bags & Storage
    • Tool Kits
    • Outdoor Power Products
    • Miscellaneous Tools
  • Nsi Tork
    • Alert Signaling
    • Digital & Electromechanical Controls
    • Lighting
    • Photoelectric Controls
  • Prime Conduit
    • Bore-Gard Electrical Conduit
    • PVC Pipe
    • Multi-Guard Pipe
    • Split Duct Pipe
    • Telephone Duct
  • Quazite
    • Handholes / Vaults
  • Rack-A-Tiers
    • Accessories
    • Benders
    • Pullers
    • Wire Dispensers
  • Remke
  • Ronk Electrical
  • Stout Tool Corp.
    • Batteries & Chargers
    • Saws
    • Saw Blades
  • Tiiger Inc.
    • Steerable Pole Dolly
    • Transformer Dolly
    • Pole Puller
    • Cage Storage System
    • Pad
    • The Cube
  • Universal Ballast
    • Electronic Ballasts
    • HID Ballasts
    • High Output Ballasts
    • Magnetic Ballasts
• Underground Utility Supplies
  • Pipe, Innerduct & Conduit
    • HDPE Poly-Pipe
    • Corrugated HDPE Innerduct
    • Split PVC
    • Bore-Gard PVC Conduit
  • HDPE Accessories
    • HDPE Couplings
    • Pull Tape/ Pull Rope
    • Cable Pulling Lube
    • Pulling Eyes
    • Pull Grips
    • HDPE Swivels
    • Warning Tape: Electrical & Caution Tape
    • Duct Rodders: Tuf Rods & Ruf Rods
    • Seal Off Kits
  • Quazite Handholes, Boxes, Vaults
  • Block & Tackle
    • Adapters
    • Blocks
    • Hooks
    • Hand Lines
    • Cable Pullers
    • Sheaves
    • Block & Tackle Grips
    • Checkers
    • Block & Tackle Rollers
    • Block & Tackle Swivels
  • Meters, Testers & Probes
  • Tiiger Pole Puller
  • Underground Cable
  • Additional Underground Utilities Supplies
    • Cable Benders
    • Caddies & Holders
    • Cutters & Slitters
    • Support & Frames
    • Tents
    • Underground Utility Tools
• Electrical & HVAC
  • Controls & Switches
    • Residential Tork Timers
    • Circuit Breakers
    • Control Panels
    • Switches
    • Dimmers
    • Pool/Spa Controls
    • Energy/Time Controls
    • Photo Controls - Controls & Switches
    • Loadcenters
    • Disconnects - Controls & Switches
    • Door Openers
  • Electrical Supplies
    • Wire
    • Supply & Electrical Cables
    • Coax/LAN
    • Wire Pulling Accessories
    • Weatherproof Outdoor Covers
    • Innerduct and Pipes
    • Pullers
    • Tool Kits
    • Pins
    • Bending Equipment
    • Fish - Electrical Supplies
    • Meters, Testers, Probes
    • Breakers
    • Disconnects - Electrical Supplies
    • Contactors
    • Emergency Generator Panels
  • HVAC Supplies
    • Air Circulators
    • Ceiling Fans
    • Innerduct and Pipes
  • Industrial & Commercial Lighting
    • Photo Controls - Industrial Lighting
    • Ballast
    • Halogen Lighting
    • Bulbs/Lamps
    • Lighting Accessories
    • Lighting Sensors
    • Jobsite
    • Outdoor Lighting
    • Industrial Emergency Lighting
    • Loading Docks
    • Strobes
    • Industrial HID Lighting
    • Timers
    • Photo Eyes
    • Outdoor Sensors
  • Custom Applications
    • Machine/Woodworking Shop
    • HVAC
    • Valve Actuators
    • Passenger Elevator
    • CNC Equipment
    • Non-Motor Loads
    • Warning Siren
    • Center Pivot Irrigation
    • Blower Applications 
    • Miscellaneous Motors (Water Pumps, Etc.)
• Tools
  • Cordless Tools
    • Crimping - Cordless Tools
    • Cordless Saws
    • Makita Drill Batteries
    • Cordless Drills
    • Cordless Wrenches
    • Cordless Drivers
    • Vibrators
    • Cutters - Cordless Tools
    • Cordless Blowers
    • Cordless Tools - Hammers
    • Combo Kits
    • Cordless Tools Accessories
  • Electric Tools
    • Hammer Drills
    • Drills - Electric Tools
    • Impact Drivers
    • Cut Out Tools
    • Impact Wrenches
    • Screwdrivers - Electrical Tools
    • Sanders
    • Electrical Tools - Grinders
  • Handheld Tools
    • Handheld Crimping Tools
    • Knockout Sets
    • Handheld Cutting Tools
    • Handheld Stripping Tools
    • Handheld Bolt Cutters
    • Conduit & Pipe Benders
    • Handheld Shears
    • Handheld Screwdrivers and Nut Drivers
    • Handheld Tools: Bars
    • Handheld Tools: Hammers
    • Multi-Purpose Tools
    • Handheld Tools: Grips
    • Hex Keys
    • Insulated Handheld Tools
    • Handheld Tools: Pliers
    • Handheld Saws & Knives
    • Sheet Metal Cutting Tools
    • Handheld Tools: Wrenches
    • Handheld Tool Kits
    • Handheld Impactors
    • Heat Guns
    • Accessories for Handheld Tools
    • Hole Saws and Cutters
    • Fish Tapes
    • Hydraulic Crimpers
  • Measuring Tools
    • Scanners
    • Measuring Sensors
    • Testers
    • Meters
    • Tracers
    • Probes
    • Measuring Accessories
  • Outdoor Tools & Equipment
    • Blowers
    • Cutters - Outdoor Tools
    • Trimmers
    • Outdoor Saws
    • Pole and Tree Climbers
  • Pneumatic Tools
    • Crimping - Pneumatic Tools
    • Benchtop Tools
    • Crown Staplers
    • Framing Nailers
    • Siding Nailers
    • Coil Nailers
    • Nail Drivers
  • Saws & Blades
    • Hole Saws
    • Plastic/PVC Saws
    • Hand Saws
    • Knives
    • Blades
    • Sawzalls
    • Band Saws
    • Reciprocating Saws
    • Jig Saws
    • Circular Saws
    • Hack Saws
    • Metal Saws
    • Trim Saws
    • Cordless Saws
    • Jab Saws
    • Table Saws and Miter Saws
  • Woodworking & Metalworking Tools
    • Extensions - Metalworking
    • Hole Cutters
    • Auger Bits
    • Vari-Bit
    • Knockout Sets
    • Woodworking & Metalworking Saws
    • Woodworking Cordless Tools
    • Wood & Metalworking Accessories
    • Woodworking Handheld Tools
    • Pneumatic Nailers
    • Bench Top Planers
    • Woodworking Grinders
    • Sander/Polishers
    • Palm Sanders
    • Miter Saws
    • Metal Cutting Saws
    • Wood Working - Reciprocating Saws
    • Portable Bandsaws
    • Circular Saws
  • Tool Storage
    • Storage Boxes
    • Tool Boxes
    • Tool Bags
    • Storage Buckets
    • Storage Belts
    • Tool Storage Pouches
    • Storage Accessories
  • Chapman Electric Service & Parts
• Safety & Clothing
  • Jobsite & Safety Equipment
    • Lubricant
    • Hard Hats
    • Jobsite Lighting
    • Jobsite Rollers
    • Stands
    • Spindles
    • Gloves - Jobsite Safety
    • Jobsite Grips
    • Lockouts
    • Eyewear Safety Equipment
    • Door and Window Switches
    • Alarms
    • Jobsite Clocks
    • Radios
    • Vacuums
    • Jobsite Accessories
    • Kidde Smoke Alarm Products
  • Clothing & Accessories
    • Clothing
    • Hats
    • Outerwear
  • Promotional Products
    • Drinkware
    • Gear & Accessories
    • Klein Tools
    • Merchandisers

 

Ohm's Law – Power Formulas