If you leave a comment, Russel will visit your blog and comment.One of the most dangerous things that home inspectors do is take the electric panel cover off and inspect the interior workings of the electric panel.

If one doesn't observe proper safety protocols when working with electricity, one can get a nice dose of reality or, in a worst case scenario, the shock of one's life.

Probably every home owner, and most likely older but curious children as well, have opened the electric panel cover at least once, but if you don't know what the electric panel is, here's a typical one.

Typical electric panel

Electric panels are made out of metal, a fact that I've never really understood since metal conducts electricity. That metal box is full of various electrical components which are, of course, carrying electricity, and in a worst case scenario, that metal cover can become energized, meaning that it is carrying electricity.

Places where you'll typically find electric panels are:

  1. exterior wall, usually by the electric meter,
  2. garage wall
  3. interior wall in a readily visible and accessible area
  4. interior closet, a place where we no longer install them since flammable clothes up against an energized electric panel can start a fire

Never touch an electric panel cover even if you think there is nothing wrong with your home or its electrical system without first testing that panel cover to determine whether or not it is energized.

"How do I do that?" you might ask, and I'm glad you did.

With your hand open and your palm facing you, touch the back of your hand to the panel cover.

Proper way to touch an electric panel

Electricity causes muscles to contract, so if the panel cover is energized, your fingers will curl in towards your palm, and depending on how much electricity is flowing through the panel cover, your wrist will curl into your arm, and your arm will curl in towards your body, thereby breaking contact with the panel cover.

Some people say to use your right hand since it is further from your heart, which is a muscle, and you don't want it going into contractions. Since I'm right handed, I prefer to use my left hand so that if there are any electrical burns involved, they'll be on my left hand. Of course, if I die of shock, the point is moot. Nonetheless....

I've been working around electricity since I was 11, and I have never encountered an energized electric panel....

....until yesterday.

I'm certainly quite happy -- and alive-- that after 43 years I'm still observing safety protocols when working with electric panels. Too often in life people become complacent when they have done the same thing over and over and over again.

 

*****

This week's posts (they'll open in a new window)

  1. Frenetic Friday pop quiz: Kitchen sink cabinets and electricity - 5/29/09
  2. I love it when the Seller's Realtor calls me.... - 5/29/09
  3. Thunderstruck Thursday: Commander of the lake - 5/29/09
  4. If you're trying to get your ActiveRain comments in for the day.... - 5/28/09
  5. Suicide journey leads to a 15th anniversary - 5/26/09
  6. Memorial Day for me.... - 5/25/09

Last week's posts (they'll open in a new window)

  1. SST (Speechless Sunday with Text): I can't inspect it if I can't get it - 5/24/09
  2. Be proactive with your homeowners' association - 5/23/09
  3. How do you determine if repairs were done properly, or even done? - 5/22/09
  4. How to lower your blood pressure naturally - 5/22/09
  5. My first Foto Friday: Tree textures - 5/22/09
  6. Thankful Thursday: Hydrangea - 5/21/09
  7. My new digital SLR camera system - 5/20/09
  8. Providing FREE HELP can be fun (if there's a rose garden involved) - 5/19/09
  9. Manic Monday pop quiz: Concrete cracks - 5/18/09

Previous week's posts (they'll open in a new window)

  1. SST (Speechless Sunday with Text): A visit from Mr. Monarch Butterfly - 5/17/09
  2. Russel's Gardening Handbook: Jacaranda - 5/16/09
  3. "Dear Home Inspector: Please try not to kill the deal...." - 5/16/09
  4. "Dear Mrs. Realtor: No I won't...." - 5/16/09
  5. Make your home dog friendly - 5/15/09
  6. Frenetic Friday pop quiz: Chimneys - 5/15/09
  7. WWW (Wordless Wednesday with Words): Huh? - 5/13/09
  8. An Open Letter to the ActiveRain Powers That Be - 5/11/209
  9. Manic Monday pop quiz: Electrical - 5/11/09
  10. What's the point to ActiveRain points? - 5/11/09

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14 Comments on After yesterday's inspection, I'm quite happy to be alive....

MAY
30
196,616 Points 4 Featured Posts Outside Blog

Good to know.  I guess it's a bad idea that I've been putting my finger on the metal ringy thing to pull it open first.  I think I'll try your way from now on.  Glad you are okay. :)

1:30pm • #1
249,992 Points 24 Featured Posts Localism Sponsor Outside Blog Hit Router

That's wild, I've never even thought of that danger. Looks like they should change these to plastic covers.

1:33pm • #2

Russel - Glad your alive and well this fine Saturday!! The touching with the back of the hand was drilled into my head early in my Navy career. Not only do they teach that safety precaution in electrical courses they also teach it in any firefighting course I took.

1:39pm • #3
118,484 Points 3 Featured Posts Localism Sponsor

Hi Russel - I have always wondered about that too, and it always makes wood doors on electrical panelme a tiny bit nervous to open a metal door over an electrical panel.  Our den/home office has some built-in shelves and cabinets, and built into them are 2 louvered wood doors, behind which is our panel.  What do you think?

By the way, the panel is set back about 4 inches from the doors.

1:48pm • #4
338,719 Points 23 Featured Posts Localism Sponsor Outside Blog

Hmm complacency - too true - its often the devil in disguise.

2:08pm • #5
183,018 Points 5 Featured Posts Outside Blog

Russell....what a way to leave this!  Obviously you're alright or you wouldn't have posted ;-) but you could have told us more about what happened.  How dumb that the panels are metal, I think I always figured them for aluminum ~ good to know, thanks.  Hope you're truly OK

3:50pm • #6
169,110 Points 8 Featured Posts Localism Sponsor Outside Blog

Russel, very good lesson for all to learn. I have been shocked so badly years ago it sent me flying back about 4 feet, slamming me into a wall. Was very unpleasant to say the least.

Dairy farms suffer from stray voltage, it is horrible. All of a sudden a cow in the milk parlor will get zapped, and they will jump out or fall flat down, bellow, and NOT want to come back in again. Cows are ultra sensitive to electrical charges, and it comes and goes so it can be very hard to find. 

I am not a fan of electricity, I hate to touch anything that could possibly shock me. I am a ... chicken.

4:54pm • #7
516,365 Points 10 Featured Posts Outside Blog

Hey, Tammy - Definitely don't put your finger through that "metal ring thingy" because if it's energized, your finger will contract so that you can't pull it out.

Hey, Lizette - That's what I've always thought, and I've never really found anyone who could tell me why they are metal. Doesn't make sense to me.

Hey, Dan - I had always heard second-hand stories - I know a friend.... - but now I have a real-life experience. So much more fun, these first-hand, real-life experiences - LOL.

Hey, Susan - I can't tell for sure, but that looks like a Zinsco panel. Does it say "Zinsco" on it? If it does, have it replaced. I do like the designer wood doors to protect it from curious or accidental touching.

Hey, Liz - As my wise old grandmother said, "Complacency will be your undoing." Then she advised me not to be complacent.

Hey, Gail - I had just enough juice flow through me that it made me a little woozy.

Hey, Andrea - Out of all the things I do at an inspection, electricity makes me the most nervous, mainly because I have no idea what the homeowner or his cronies might have done. It's my job to find out, but it can be dangerous investigative work.

8:18pm • #8
MAY
31
254,197 Points 15 Featured Posts Outside Blog

wow... so what happened afterward...

did you turn off the power to the house...
did you abort the inspection of all items electronic in the house...
did you say "let me know when an electrician has repaired this and I'll return... meanwhile don't touch anything!!"

what?

11:07am • #9
516,365 Points 10 Featured Posts Outside Blog

Hey, Alan.

If the electric panel is energized, I don't remove the cover to inspect the interior components. But there also is no reason to turn off power to the house. Just need to warn everyone that the electric panel is energized and needs to be looked at by a licensed electrician.

The licensed electrician, the home owner (or representative), or San Diego Gas & Electric are the only ones in my book who are privileged to turn off power to the house except in the rarest of circumstances, like an electrical fire.

There's also no need to abort inspecting other electric components, like lights, outlets, etc.

In other words, there's no need to be an "alarmist" home inspector -- LOL.

11:28am • #10
254,197 Points 15 Featured Posts Outside Blog

I didn't know if a "miswired" panel, might also be reason to be concerned about other electronic devices whose power originates in that same box.

12:54pm • #11
516,365 Points 10 Featured Posts Outside Blog

Hey, Alan - Usually, but not always, the problem is a loose wire touching the electric panel, especially if the loose wire hasn't been properly terminated.

I find loose wires quite often when hot tubs are installed but then removed when the seller takes it, or a 240-V electric range being replaced with a 120-V gas range, air conditioning wiring installed and live but the cooling condenser not yet in place. Of course, those loose wires are usually taped off with electrician's tape or with wire nuts.

I hope to find out what the electrician found when I follow up on this inspection.

1:25pm • #12
118,484 Points 3 Featured Posts Localism Sponsor

Russel - It isn't a Zinsco.  I have had two appraisers and one inspector take second looks at it over the yearsbecause at first glance they thought so too.  It is a Magnetrip, and I'm assured that it is fine.

8:02pm • #13
JUN
01
516,365 Points 10 Featured Posts Outside Blog

Hey, Susan - Magnetrip is a Zinsco panel. My recommendation is to replace it. That way you have no worries at all. If you choose not to replace it, then have the electrician come out annually at a bare minimum and put in writing on his letterhead, dated and signed, that all is well with the electric panel, the buss bar, the circuit breakers, and the wiring.

More information: http://www.inspect-ny.com/electric/Zinsco_Identification.htm

That whole http://www.inspect-ny.com web site is a wealth of information.

11:36am • #14

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Russel Ray, San Diego home inspector

San Diego, CA

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Russel Ray, Property Consultant

Address: 7000-31 Saranac Street, La Mesa, CA, 91941-3315

Office Phone: (619) 341-0173

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