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Adding a Bathroom Fan Switch

Adding a Second Switch to an ExistingDepicts replacing a single gang switch box with a two-gang switch box and new wiring up to the ceiling for a new ceiling fan.

Aluminum Wiring

Arc Fault Circuit Interrupters (AFCI)

Attic Fan ReplacementMotors and Thermostats


Basement Wiring

Bathroom Fan Repair

Bathroom Fan SwitchAdding one to the existing light switch.

Broken Electrical BoxHow To Repair.

Broken Outlet Box Screw HoleHow to fix.

Budget Built Workshop How to Build Your Own.

Buying Electrical Materials

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Cabinet Lighting Installed, Kitchen

CategoriesAll of the categories of electrical wiring topics on one page

Cat 5 and Cat 6 Wiring Diagram

Ceiling Electrical Box is Loose

Ceiling Fan Box Installation – Using existing wiring (Old work remodel)

Ceiling Fan Installation with Two Wall Switches

Ceiling Fan Wiring Diagrams

Ceiling Light Fixture with Dimmer SwitchWith Photos

Ceiling Lights – Recessed in Condo KitchenWith Photos

Changing One Switch to Two SwitchesDepicts replacing a single gang switch box with a two-gang switch box and new wiring up to the ceiling for a new ceiling fan.

Change Recessed Lights

Cheap Foreign Labor

Coat Hanger Tool

CodeFree online version of the National Electrical Code

Common Mistakes

Concentric Knockouts – With Photos

CONDUIT DIMENSIONS:      1/2″       3/4″       1″

1 1/4″        1.5″       2″       2.5″        3″

3.5″       4″       5″       6″

Conduit Hole Saw Sizes

Conduit Types

ContactContact Mr. Electrician about the website.  For personal answers to your electrical wiring questions, CLICK HERE and provide the requested information..

Convert Switched Outlet to Hot

Cookie Policy



Data Wiring Diagram

Dimmer Switch with New Ceiling Light Fixture InstalledWith Photos

DisclaimerDon’t do this at home

Dishwasher Problem

Drill and Tap Sizes Chart

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Effects of Electricity on the Human Body

Electric Motor Wiring Diagrams

Electric Water Heater Not Working

Electrical Box Installation in a Narrow Space

Electrical Code Free online version

Electrical Conduit and Pipe Dimensions

Electrical Conduit Hole Saw Sizes

Electrical Conduit Types

Electrical Formulas and Symbols

Electrical Materials, Purchasing

Electrical OutletsNon-grounding two-prong

Electrician Tools

Email ConfirmationSuccess

Emergency Disconnect Sticker

Extending Electrical Outlets From the Wall

Exterior Light FixtureNew wiring and electrical box


Fan Repair, Bathroom

Finding a Wall Stud – How I find wall studs without using electronic devices.

Fishing Wires using a Coat Hanger

Flickering Lights – The causes of flickering lights

Foreign Workers

Four Gang Electric Meter Base Replacement

Four-Way Switch Wiring Diagrams (Also called intermediate switches)

Fractional Horsepower Electric Motor Diagrams

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Garage opener outlet

Generator Interlock Kit installation on main circuit breaker panelWith Photos

Generator interlock kit For GE main circuit breaker panel – With Photos

Generator Panel with Generator Flanged InletWith Photos

Generator Sub-Panel, How To WireWith Photos

GFCI or Ground Fault Interrupting Receptacles

Ghost Voltage – Phantom Voltage

Gift Shop

Ground an Outlet, How To

Grounding Electrode System

Grounding Telephone and Cable TV


Hole Saw Sizes For Electrical Conduit

Holiday Safety Tips

Homeowner Purchases Materials – What happens when homeowners want to purchase materials themselves for the contractor to install.

Home Page of Mr. Electrician

How I Find a Wall Stud – How I find wall studs without using electronic devices.

How I Re-Grouted A Shower Floor

How To Convert A Switched Outlet to Hot at All times

How To Fix A Broken Outlet Screw Hole

How to Ground an Outlet

How To Wire A Generator Sub-Panel

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Installing a Receptacle Box in the Wall

Interlock kit for a generator on a main circuit breaker panelWith Photos

Interlock kit for a generator on a GE main circuit breaker panelWith Photos

Intermediate Switch Wiring Diagrams (Also called 4-Way Switches)

Intersystem Bonding Termination Photos



Kitchen Cabinet Lighting Installed

Kitchen Hood Replacement

Knockout Punch Sizes For Electrical Conduit

Knockout RemovalWith Photos

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LabelsEmergency Disconnect, Wiring Diagrams

Light Switch Wiring Diagrams

Loose Ceiling Box

Loose Electrical Receptacle


Madison Bars, used for installing an outlet box

Merchandise – My RedBubble Shop

Microwave Oven over-the-range

Motors, Fractional Horsepower Electric Motor Diagrams

Multi-Gang Electric Meter Base


National Electrical CodeFree online version

Naughty Code and Safety Violations

New Dimmer Switch and Ceiling Light Fixture Installed

Non Grounded Two Prong Electrical Outlet Replacement


Ohms Law

One Switch Changed to Two SwitchesDepicts replacing a single gang switch box with a two-gang switch and new wiring up to the ceiling for a new ceiling fan.

Outdoor Electrical box Installation

Outdoor Light FixtureNew wiring and electrical box

Outdoor Light Fixture RepairUsing a Siding Box

Outlet Extension From Wall

Outlet Box Installation

OutletsNon-grounded, two-prong replacement

Outlets, Switched Outlet Wiring Diagrams

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Pancake box, old replacement

Patching Recessed Light Hole

Phantom Voltage – Causes and Fixes

Phone Wiring Diagram and Color Code

Photos, Telephone, and TV Grounding

Pipe Dimensions

Privacy Policy



Range – Over-the-Range Microwave OvenWith Photos

Installing a Receptacle Box in the Wall

Installation of a Metal Receptacle Box using Madison BarsWith Photos

Recessed Ceiling Lights in a Condo KitchenWith Photos

Recessed Lights Change to Pendant lights

Recessed Light RemovalHow to patch holes

Re-Grouting A Shower Floor

Replace a Loose Ceiling Box

Replace Electrical Receptacle

Replace Old Style Ceiling Pancake Junction Box

Replace A Sub-Panel

Replacement of a Four Gang Electric Meter Socket Base

Reviews, Tools

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Safety Violations

Safety Tips For The Holidays

Be Safe When Working Around Your Home

Setting Up A Woodshop

Shop for Tools – My recommended tools

Side Mount Ceiling Fan Box Installation

Single-Phase Electric Motor Wiring Diagrams

Split Outlets Wiring Diagrams

StickersEmergency/Service Disconnect, Wiring Diagrams

Sub-Panel For Generator, How To Wire

Sub-Panel Replacement

SuccessEmail confirmation

Surge ProtectorsPhotos from an actual installation of mine

Swimming Pool BondingVery important for swimming pool safety

Switch, Change from One to Two Depicts replacing a single gang switch box with a two-gang switch box and new wiring up to the ceiling for a new ceiling fan.

Switch For Light Wiring Diagrams

Switched Outlet Changed to Hot

Switched Outlet Wiring Diagrams

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Tap and Drill Bit Sizes Chart

Telephone Color Code Wiring Diagram

Tesla Electric Vehicle Charger Installation

Two-Prong Non-Grounded Electrical Outlet Replacement

Three-Way Switch Wiring

Two-Way Switch Wiring

Telephone Grounding Photos

Tools for Electricians

Tool Reviews

TV Grounding Photos


Under Cabinet Lighting Installed In a Kitchen



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Wall Stud Finding – How I find wall studs.

Water Heater is Not Working

Why Are My Lights Flickering – The causes of flickering lights.

Wiremold Used to Power a Garage Door Opener


-Bathroom Fan Wiring Diagrams

-Ceiling Fan Wiring Diagrams

-Four-Way Switch Wiring Diagrams

-Light Switch Wiring Diagrams

-Motor Wiring Diagrams

-Switched Outlet Wiring Diagrams

-Telephone Wiring Diagram

-Three-Way Switch Wiring Diagrams

Woodshop – Setting one up


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Click here for a FREE copy of my book “Almost Everything You Need To Know To Repair a Bathroom Exhaust Fan In Your Home.”

Get your required “Emergency Disconnect, Service Disconnect” labels and stickers to satisfy the 2023 National Electrical Code requirements in article 230.85(E)(1) by going to my Redbubble Shop here.

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