ask the electrician
Electrician Training Electrical Certification wiring recessed light fixtures Electrical Wiring Electrical Troubleshooting and Electrical Repairs wire outdoor light fixture Home Electrical Wiring Diagrams
wiring home generator and transfer switch wiring a 220 volt range cord outlet Wiring for GFCI Outlets Wiring Outlets and a Switched Outlet Wiring and Installing Ceiling Fans and Remote Controls wire dimmer switch wiring diagrams for switches wiring a dryer cord and 220 outlet circuit breaker panel
Electrical Wire and Cable


Articles about Sub-Panel

How to Install an Electrical Sub Panel


Thinking about installing a Sub Panel? Here is what must be considered first, and you may find that you really do not need a sub panel at all.



Where and How to Install a Green Ground Screw in a Panel


How to Bond the Ground Using the Green Grounding Screw of a Sub Panel: Grounding a Main Panel vs Grounding a Sub-Panel, Bonding the Ground System at the Main Electric Service Panel, When Two Terminal Strips are Connected Together, The Difference between Ground Terminals and Neutral Terminals



Installing a Sub Panel for a Detached Building


Do I need to run a ground wire for a 200 amp sub panel that is 200 feet away from the main panel? Grounding a Remote Sub Panel at a Detached Building.



Add a Panel to an Existing Electrical Panel


How can I wire a shed panel to a garage panel? How to Calculate the Electric Circuit Load of a Sub Panel, Understanding the Circuit Capacity of a Garage Sub Panel.



How to Ground a Panel for a Detached Shop


Installing a Panel and Ground System for a Shop: Factors that Determine the Type of Bonded Grounding System, Detailed Questions and Answers about Installing a Shop Panel and Bonded Ground System.



Local Codes May Determine Electrical Service Panel Locations


Why is the main electric service panel located outside some homes? Your Main Electrical Panel Location may Depend on Local Codes.



What Size Main Disconnect Breaker in a Sub Panel


Can I use a 100amp main breaker in a 50amp sub panel? Options for a Main Disconnect Breaker in a Sub Panel.



Adding Sub-Panels to Main Panels


How to Understand Load Calculations When Adding Sub-Panels – Adding any panel or sub-panel requires careful planning, however this practice is commonplace in most commercial and industrial applications



Adding a Garage Electrical Panel


Hot to Add an Electrical Sub-Panel to a Garage – Adding a sub-panel for a garage involves a variety of planning, here are just a few to consider



Installing Sub-Panel Wiring


How to install a sub-panel in a 100 amp service for a 220 volt 30 amp dryer…



Room Addition Home Electrical Wiring


What sort of cable is used for an interior run to a sub-panel and are there protection/mounting requirements…