Mr. Electrician Archives

Effects of Electricity on the Human Body

Dear Mr. Electrician: What are the effects of electricity on the human body? Answer: Below is a chart that was compiled many years ago of...

Rust inside of old four gang electric meter base

4-Gang Electrical Meter Socket

Dear Mr. Electrician: How do I replace a 4-gang electrical meter socket base? Answer: Replacing a 4-gang electrical meter socket is a multi-step process involving...

An outdoor light fixture with Christmas lights wrapped around it and plugged into the light bulb socket and energized

Holiday Safety Tips

Dear Mr. Electrician: What are some holiday safety tips? I want to ensure my home is safe from fire and electrical shock for the...

Five inch and four inch PVC electrical conduit emerging from the ground. Conduits are attached to a wood utility company power pole and are for the electrical and telephone service for a building

Five Inch Electrical Conduit Dimensions

Dear Mr. Electrician: What are the five inch electrical conduit dimensions? Answer: Five Inch (5″) is the trade size, not the actual dimension of the...

Half inch electrical conduit fittings for EMT, rigid, flexible conduit, and sealtight

Half Inch 1/2″ Electrical Conduit Dimensions

Dear Mr. Electrician: What are half-inch 1/2" electrical conduit dimensions? NOTE: Some text links below go to applicable products on Amazon or eBay. As an...

Three quarter inch flexible metal conduit connectors, strap, and plastic bushings

Three Quarter Inch Conduit Dimensions

Dear Mr. Electrician: What are the dimensions of a three-quarter-inch (3/4") electrical conduit? NOTE: Some text links below go to applicable products on Amazon. As...

Depicting hard hats, work gloves, face shield, safety goggles, hearing protection, and a dust mask for when you plan to safely work around your home

Be Safe When Working Around Your Home

Dear Mr. Electrician: How to be safe when working around your home? My wife and I recently purchased our first house. It needs some...

Testing a Dishwasher Appliance for Power

Dear Mr. Electrician: How do I go about testing my dishwasher appliance for power? Last night, I tried to wash dishes, but nothing happened. ...

An old electric wall switch removed from the electrical box, but still connected

Add Light Switch To Existing

Dear Mr. Electrician: How do I add a light switch to an existing switch? I want to change from a one-gang light switch to...

An example of a Half Switched Outlet pulled from the wall mounted electrical box with the wires hanging out. The white wire connected to the black wires is feeding power to the wall switch. The black wire from the wall switch is feeding power to half of this outlet. The other half is on at all times. The tab was cut on the other side where the black wires are connected. Whenever a white wire is used as a hot wire, it is supposed to have its color changed.

Switched Outlet Wiring Diagrams

Dear Mr. Electrician: Where do I find switched outlet wiring diagrams? NOTE: Some text links below go to applicable products on Amazon. As an Amazon...

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When you get to the construction phase of your home renovation project, you must be mindful of your personal safety as well as the safety of people and property that may be in proximity to your work. I wash my hands frequently while working because I come in contact with all kinds of things. I always have hand wipes available. Hard hats, gloves, and safety glasses offer the very basic personal protection. For certain tasks additional safety precautions need to be taken. For instance when working around live electricity, an electrician would need insulated tools and gloves rated for the voltages that he or she works on. Additionally it is important to conduct yourself in a safe manner during construction. Be mindful of heavy lifting or reaching in awkward positions. Use a ladder when working on the ceiling, or anything high for that matter. Chairs, buckets, milk crates, and anything else not made to be stood on, should not be stood on. One bad fall can change your life forever.

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