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We will be updating the bottom of this home page with interesting items on a regular basis. Items such as jokes, interesting pictures, games, obscure science articles and etc.
The Legend of St. Valentine
The history of Valentine's Day and the story of its patron saint is shrouded in mystery. We do know that February has long been celebrated as a month of romance, and that St. Valentine's Day, as we know it today, contains vestiges of both Christian and ancient Roman tradition. But who was Saint Valentine, and how did he become associated with this ancient rite?
Have you ever wanted to know how much electricity an appliance, light bulb computer, air conditioner, water heater or any electrical product is using? But more importantly, how much does it cost to run it? You see Energy Star rated appliances and products that claim to save you money but how do you know if they do? Below you will find the calculation to figure it out for yourself. Just input information into the calculation and you will know. Because of precise information that you do not have (primarily, your voltage at your service) or variables in the manufacturing process, your calculation will not be perfectly accurate but it will be close enough to know. For voltage, use 120v or 240v, depending on the appliance, this will be the closest to what you have unless you have a voltmeter and can measure the correct voltage at your service.
Locate the nameplate on the electrical product, this shows the Manufacturer, Model Number and Electrical Usage information. Every electrical appliance should have a Watt (W) figure. This is the information that you need to calculate the usage of the electrical appliances that you use in hours. Some do not display Watt, but only Volt (V) and Ampere (A). To get Watt, just multiple Volt and Ampere together. Meaning, V x A = W.
Look at your electricity bill, find what your power company charges you per Kilowatt Hour (KWH) The power company we use has a rate of 8.6 cents per KWH, I will use this rate in the formulas.
Formula to calculate electricity usage charge.
Watts x Hourly Usage / 1000 = KWH
KWH x Rate Charge = Usage Charge
For a whole month, just multiply Usage Charge with 30 because a month consist on average 30 days.
Here is an example for a 60 watt light bulb that is used for 10 hours a day;
60W x 10Hours / 1000 = 0.6 KWh
0.6WH x 0.086(rate) = 0.0516 cents per day
0.0516 x 30 = 1.548 dollars per month
Here is another example for a box fan. The nameplate does not give Watts but states that it runs at 120 Volts and 1.1 Amps. You use it for 5 Hours a day.
120V x 1.1A = 132W132W x 5Hours / 1000 = 0.66 kWh0.66WH x 0.086(rate) = 0.0568 cents per day0.0516 x 30 = 1.704 dollars per month
My insurance agent told me he had to add a few dollars to my home insurance policy because he saw I had a trampoline set up in the back yard and he said that they were dangerous.
I couldn't understand how they were dangerous, until I saw this photo.
Now I see how they could be a potential hazard!
"The Fatal Current"
Here is a neat movie that shows how the misuse of electricity can be fatal.
Ben Franklin is busy cleaning his dishes as he is making breakfast. Unknown to him, his toaster has a bad cord and has energized the metal housing of his toaster, at least I hope he did not know about it, he should have known better to get it fixed. Being the efficient founding father and inventor, he reaches over to get the toast and touches the energized housing. This is a fatal error because the plumbing is bonded and grounded to the neutral side of his service. Since the toaster did not have a ground plug and the metal housing of the toaster was not grounded to that plug, Ben has now become the grounding source for the electricity to return. You think Mr. Franklin would have known better to have his receptacles GFI protected in the kitchen! The current flows through his body, right through the heart and that is the end of a great founding father.
I want to give my thanks to Code Check, where I found this movie and Paddy Morrissey, their illustrator, for allowing me to display this movie. Code Check is a company that authors code manuals and teaches code seminars in an entertaining and knowledgable way. Paddy Morrissey is a comedian, actor, writer, graphic designer and all-around jack-of-all-trades. Click on their names to go to their sites and click on the "Fatal Current" movie to go to Code Check's site.
Livermore's Centennial Light
Longest Burning Light Bulb In History
This site is devoted to the longest burning light bulb in history at the Livermore-Pleasanton Fire Department in Livermore, CA.
First installed at the fire department hose cart house on L Street in 1901. Shortly after, it moved to the main firehouse on Second. In 1903, it was moved to the new Station 1 on First and McLeod, and survived the renovation of the Firehouse in 1937, when it was off for about a week. During it's first 75 years it was connected directly to the 110 Volt power line, and not to the back-up generator for fear of a power surge. In 1976, it was moved with a full police and fire truck escort, under the watch of Captain Kirby Slate, to its present site in 1976 at Fire Station 6, 4550 East Ave., Livermore, California. It was then hooked to a seperate power source at 120V according to Frank Maul, Retired City Electrician, with no interuptions since.
Click on the picture to go to the site.
We try to change the fun part of our home page weekly but some of the information or images are worthy to be seen later, which is frustrating if you come back and the article is no longer there. So we have decided to archive the articles on a separate page. Click on the Past Home Page Content link to go there.
You can now follow Zotz Electrical on Facebook. We update the Facebook Page daily with information that includes products, technical information, job updates, photos of work and sometimes, some general rabble just for the fun of it. We invite you to take a look and become a Fan. Feel free to add a comment or question, that is one of the reasons that we started the Page, being it is more interactive than the website. Also, Doug Zotz, Owner & Master of Record for Zotz Electrical, has a personal page, feel free to make a friend request and meet Doug on a more personal and less formal level at Facebook. Click on a Facebook badge below.
Past Home Page Content