{"id":7493,"date":"2017-01-03T07:41:57","date_gmt":"2017-01-03T12:41:57","guid":{"rendered":"http:\/\/homeadditionplus.com\/dev\/?page_id=7493"},"modified":"2018-11-27T18:35:42","modified_gmt":"2018-11-27T23:35:42","slug":"electrical-circuit-testers","status":"publish","type":"page","link":"https:\/\/homeadditionplus.com\/dev\/electrical\/electrical-circuit-testers\/","title":{"rendered":"Electrical Circuit Testers"},"content":{"rendered":"<h4><span style=\"color: #008000;\"><strong>How to Use Electrical Circuit Testers in Home Electrical Wiring<\/strong><\/span><\/h4>\n<p>By Mark J. Donovan<br \/>\n<script type=\"text\/javascript\"><!-- google_ad_client = \"pub-3988490936633155\"; \/* Homepage_Home_Improvement_468x15_ATF, created 8\/13\/10 *\/ google_ad_slot = \"6539705898\"; google_ad_width = 468; google_ad_height = 15; \/\/-->\n<\/script><br \/>\n<script type=\"text\/javascript\" src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/show_ads.js\">\n<\/script><\/p>\n<div class=\"KonaBody\">\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td width=\"50%\">\n<p align=\"center\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- New_300x250_051317 --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: inline-block; width: 300px; height: 250px;\" data-ad-client=\"ca-pub-3988490936633155\" data-ad-slot=\"4202793463\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<\/td>\n<td width=\"1%\"><\/td>\n<td style=\"text-align: left;\" width=\"49%\"><span style=\"font-size: 14pt;\">When working with electricity, particularly high voltage AC electricity in your home, it is always important to employ a high level of safety precautions. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Part of that safety begins with shutting off power off at the main circuit panel to the circuits that you plan on working on. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">The other part of the safety equation is confirming that the power is indeed off at the electrical box or appliance you plan on working on. <\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">To do this requires the use of an electrical circuit tester.\u00a0There are variety a of electrical circuit testers available on the market today, however there are two that are most commonly used.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><strong>High Voltage AC Circuit Tester (a.k.a. &#8211; Neon Bulb Tester)<\/strong><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">One common electrical circuit tester is the High Voltage AC Circuit tester, or Neon bulb tester. It is inexpensive, requires no batteries, and is easy to store due to the fact that it is so small. Most models will support an AC voltage up to 250V.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">To use a High Voltage Circuit tester, just plug the two terminals into the wall outlet, or switch box you plan on working on, making sure that you are holding onto the insulated handles and are not touching the metal probes. If you touch the metal probes while plugging them into a powered outlet or circuit you may be exposed to a life threatening shock.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Electrical Circuit Testers Video\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/togB4pyjdUA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">If the outlet or switch is powered on, the bulb will light up. If it is not, the bulb will remain unlit.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">You can also use this type of tester to check if power is flowing through a switch, or on bare wire ends, or even on a circuit breaker. Again, extreme caution should be given while performing any of these types of tests.<\/span><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\" width=\"50%\"><span style=\"font-size: 14pt;\"><strong>Digital Multimeter<\/strong><\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Another electrical circuit tester is a digital multimeter. It can be used for a number of electrical circuit testing applications.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">First, it can be used to measure High Voltage AC at a circuit breaker, outlet, or switch, using the two probes that come with it. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">To use it for this type of test, plug the black lead into the common socket, and the red lead into the Voltage\/Ohm socket.\u00a0<\/span><\/td>\n<td style=\"text-align: center;\" width=\"1%\"><\/td>\n<td style=\"text-align: center;\" width=\"49%\"><a href=\"https:\/\/www.amazon.com\/gp\/product\/B01ISAMUA6\/ref=as_li_tl?ie=UTF8&amp;camp=1789&amp;creative=9325&amp;creativeASIN=B01ISAMUA6&amp;linkCode=as2&amp;tag=wwwhomeadditi-20&amp;linkId=244fea044ad0ca0913a73f44d8846b15\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"\/\/ws-na.amazon-adsystem.com\/widgets\/q?_encoding=UTF8&amp;MarketPlace=US&amp;ASIN=B01ISAMUA6&amp;ServiceVersion=20070822&amp;ID=AsinImage&amp;WS=1&amp;Format=_SL250_&amp;tag=wwwhomeadditi-20\" border=\"0\" \/><\/a><img loading=\"lazy\" decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" src=\"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=wwwhomeadditi-20&amp;l=am2&amp;o=1&amp;a=B01ISAMUA6\" alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Then set the dial for 125AC or higher, depending upon the digital multimeter model that you have. Next plug the leads into the outlet or across the switch and read the digital display on the digital multimeter. You should observe a reading of somewhere between 110 and 120V if power is on at the outlet, switch or circuit breaker.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">You can also use a digital multimeter for checking connectivity between two points in a circuit. To do this, again plug the black lead into the common socket, and the red lead into the Voltage\/Ohm socket. Now set the dial to Ohms, for a resistive load. Now touch the two probes together.<\/span><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\" width=\"50%\"><span style=\"font-size: 14pt;\">You will notice that the reading goes to a value of Zero, indicating that there is direct connectivity, or a short between the two probes. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">You can extend this function for testing the connectivity between a length of wire or un-powered circuit. For, example you can use a digital multimeter to \u201cbuzz out\u201d the Romex cables between two electrical boxes.<\/span><\/td>\n<td style=\"text-align: center;\" width=\"1%\"><\/td>\n<td style=\"text-align: center;\" width=\"49%\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7465\" src=\"http:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/08\/Etekcity_MSR-R500.jpg\" alt=\"ETEKCITY MSR R500 Digital Multimeter Review\" width=\"274\" height=\"154\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">This situation frequently arises when you are in the process of doing the finished wiring in a room and are not sure which Romex cable end coming out of one box corresponds with another Romex cable end in another box.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">By twisting, for example, the black and white wires together coming from the same Romex cable end, you can then check for connectivity between the two wires at the far end, or other electrical box. When you find the Romex cable at the far end box that has a short between the black and white wires (because you tied them together at the other box) you can then label the Romex bundle at both ends.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Digital multimeters can also be used for measuring resistance and current.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Though digital multimeters are more expensive and cannot be as easily stored in a pant or shirt pocket they do offer some significant advantages over High Voltage AC Circuit Testers and are thus well worth the extra investment.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">So before working with electricity in your home, make sure you have a High Voltage AC Circuit tester or a Digital multimeter, and always exercise extreme caution by first turning power off at the main circuit panel, and then checking that power is indeed off at the particular electrical box.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #ff0000; font-size: 14pt;\">Warning: When working with electricity use extreme caution to avoid the risk of electrical shock. Make sure to first shut off power at the main circuit panel and then confirm all power to the electrical fixtures and boxes are off prior to beginning any electrical work.<\/span><\/p>\n<\/div>\n<hr \/>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><span style=\"color: #008000;\"><b>For help on building a new custom home<\/b><\/span>, see HomeAdditionPlus.com&#8217;s<b><span lang=\"en-us\" style=\"color: #0000ff;\"> <a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/new-home-construction-bid-sheet\/\">New Home Construction Bid Sheet<\/a><\/span><span lang=\"EN\">. <\/span><\/b>The<span style=\"color: #0000ff;\"><b> <span lang=\"EN\"><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/new-home-construction-bid-sheet\/\">New Home Construction Bid Sheet<\/a><\/span><\/b><\/span> provides you with the knowledge on how to plan a custom home building project, and what to look for when hiring contractors for your new home construction. It also includes a detailed cost breakdown table and spreadsheet for estimating your own new home construction building costs.<\/span><\/p>\n<p><a href=\"https:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/new-home-construction-bid-sheet\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-11882 aligncenter\" src=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/New-Home-Construction-Bid-Sheet-218x300.jpg\" alt=\"New Home Construction Bid Sheet\" width=\"218\" height=\"300\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/New-Home-Construction-Bid-Sheet-218x300.jpg 218w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/New-Home-Construction-Bid-Sheet-768x1056.jpg 768w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/New-Home-Construction-Bid-Sheet-745x1024.jpg 745w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/New-Home-Construction-Bid-Sheet.jpg 1200w\" sizes=\"auto, (max-width: 218px) 100vw, 218px\" \/><\/a><\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><span style=\"color: #008000; font-size: 14pt;\"><b>Related\u00a0Information<\/b><\/span><\/h3>\n<ul style=\"text-align: left;\">\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/product-reviews\/etekcity-digital-multimeter-msr-r500-review\/\">Etekcity Digital Multimeter MSR-R500 Review<\/a><\/b><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/electrical\/electrical-circuit-testers-video\/\">Electrical Circuit Testers Video<\/a><\/b><\/span><\/li>\n<li><span style=\"color: #0000ff; font-size: 14pt;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/electrical\/residential-electrical-wiring-tools-video\/\">Important Electrical Tools for the DIY Homeowner<\/a><\/b><\/span><\/li>\n<\/ul>\n<hr \/>\n<h2 style=\"text-align: left;\" align=\"left\"><span style=\"font-size: 14pt;\"><b><span style=\"color: #008000;\">Additional Electrical Wiring\u00a0Resources from Amazon.com<\/span><\/b><\/span><\/h2>\n<table id=\"AutoNumber9\" border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\" width=\"25%\"><a href=\"https:\/\/www.amazon.com\/gp\/product\/159186612X\/ref=as_li_tl?ie=UTF8&amp;camp=1789&amp;creative=9325&amp;creativeASIN=159186612X&amp;linkCode=as2&amp;tag=wwwhomeadditi-20&amp;linkId=b03bc7f938c37eee0d0eb190dda35a5f\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"\/\/ws-na.amazon-adsystem.com\/widgets\/q?_encoding=UTF8&amp;MarketPlace=US&amp;ASIN=159186612X&amp;ServiceVersion=20070822&amp;ID=AsinImage&amp;WS=1&amp;Format=_SL250_&amp;tag=wwwhomeadditi-20\" border=\"0\" \/><\/a><img loading=\"lazy\" decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" src=\"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=wwwhomeadditi-20&amp;l=am2&amp;o=1&amp;a=159186612X\" alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/><\/td>\n<td align=\"center\" width=\"25%\"><\/td>\n<td align=\"center\" width=\"25%\"><a href=\"https:\/\/www.amazon.com\/gp\/product\/1580114873\/ref=as_li_tl?ie=UTF8&amp;camp=1789&amp;creative=9325&amp;creativeASIN=1580114873&amp;linkCode=as2&amp;tag=wwwhomeadditi-20&amp;linkId=75e760742487fe874523e737fa26bdc1\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"\/\/ws-na.amazon-adsystem.com\/widgets\/q?_encoding=UTF8&amp;MarketPlace=US&amp;ASIN=1580114873&amp;ServiceVersion=20070822&amp;ID=AsinImage&amp;WS=1&amp;Format=_SL250_&amp;tag=wwwhomeadditi-20\" border=\"0\" \/><\/a><img loading=\"lazy\" decoding=\"async\" style=\"border: none !important; margin: 0px !important;\" src=\"\/\/ir-na.amazon-adsystem.com\/e\/ir?t=wwwhomeadditi-20&amp;l=am2&amp;o=1&amp;a=1580114873\" alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3 style=\"text-align: left;\"><span style=\"color: #008000; font-size: 14pt;\">Free Home Addition Price Quotes with No Obligation!<\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Fill out our 3-5 minute quick and easy form, and receive a free price quote on a house addition from one of our prescreened and licensed home addition contractors. This process is free and there is no obligation to continue once you receive your house addition price estimate.<\/span><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.inforequests.com\/pub5x\/\/?allowRefNet=N&amp;layout=H&amp;PublisherSubID=Room_Addition_Bottom&amp;url=http:\/\/g.gaesy.com\/cgi\/r?;n=203;c=622397;s=4383;x=7936;f=201006161516140;u=j;z=TIMESTAMP;&amp;servicescheckbox=ROOM_ADDITIONS&amp;submit=submit\" width=\"660\" height=\"560\" frameborder=\"0\" scrolling=\"no\" data-mce-fragment=\"1\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to Use Electrical Circuit Testers in Home Electrical Wiring By Mark J. Donovan When working with electricity, particularly high voltage AC electricity in your home, it is always important to employ a high level of safety precautions. Part of that safety begins with shutting off power off at the main circuit panel to the circuits that you plan on working on. The other part of the safety equation is confirming that the power is indeed off at the electrical box or appliance you plan on working on. To do&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1928,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7493","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Electrical Circuit Testers - HomeAdditionPlus.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/homeadditionplus.com\/dev\/electrical\/electrical-circuit-testers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electrical Circuit Testers - HomeAdditionPlus.com\" \/>\n<meta property=\"og:description\" content=\"How to Use Electrical Circuit Testers in Home Electrical Wiring By Mark J. Donovan When working with electricity, particularly high voltage AC electricity in your home, it is always important to employ a high level of safety precautions. Part of that safety begins with shutting off power off at the main circuit panel to the circuits that you plan on working on. The other part of the safety equation is confirming that the power is indeed off at the electrical box or appliance you plan on working on. 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Donovan When working with electricity, particularly high voltage AC electricity in your home, it is always important to employ a high level of safety precautions. Part of that safety begins with shutting off power off at the main circuit panel to the circuits that you plan on working on. The other part of the safety equation is confirming that the power is indeed off at the electrical box or appliance you plan on working on. 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