{"id":1993,"date":"2013-04-11T12:56:42","date_gmt":"2013-04-11T16:56:42","guid":{"rendered":"https:\/\/blog.norwall.com\/?p=1993"},"modified":"2022-03-08T15:18:24","modified_gmt":"2022-03-08T22:18:24","slug":"dont-forget-starting-watts","status":"publish","type":"post","link":"https:\/\/blog.norwall.com\/generator-information\/dont-forget-starting-watts\/","title":{"rendered":"Don&#8217;t Forget About Starting Watts"},"content":{"rendered":"\n[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;3.22&#8243; global_colors_info=&#8221;{}&#8221; custom_padding=&#8221;5px|||||&#8221;][et_pb_row _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221;][et_pb_column _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<p style=\"text-align: center;\"><em>Understand the difference between a generator&#8217;s ability to start a motor and the power it&#8217;s rated to supply continuously.<\/em><\/p>\n<p style=\"text-align: center;\"><em><\/em><\/p>\n<h2 style=\"text-align: center;\">Generators Have Two Ratings: Starting Watts and Running Watts<\/h2>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/blog.norwall.com\/wp-content\/uploads\/2015\/03\/Construction-Workers.jpg&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; alt=&#8221;Men using power tools on a construction site&#8221; title_text=&#8221;Starting Watts vs Running Watts&#8221; url=&#8221;https:\/\/blog.norwall.com\/generator-information\/generator-watts-volts-amps\/&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<p>All generators, from permanently installed <a href=\"https:\/\/www.norwall.com\/power-expert\/how-it-works-the-components-of-a-standby-generator\/\">home standby generators for backup power<\/a> to portable generators on job sites, have two very important specifications that all generator users should understand.<\/p>\n<ul>\n<li>Running Watts: Power the generator can supply all the time. Also called rated watts or continuous watts.<\/li>\n<li>Starting Watts: Power the generator can supply for a few moments to start a motor. Also called Surge Watts.<\/li>\n<\/ul>\n<p>Both specifications are given in watts or kilowatts. For example, a manufacturer might specify that a <a href=\"https:\/\/www.norwall.com\/categories\/Portable-Generators\/Small-Generators\/\">small portable generator<\/a> can supply a maximum of 2000 watts, but it is rated for 1600 continuous watts. Maximum watts in this case refer to the surge watts or starting watts. Continuous watts refer to running watts.<\/p>\n<p>The distinction between starting vs running watts makes a difference when choosing a generator and especially when electric motors make up part of the total electrical load the generator supplies.<\/p>[\/et_pb_text][et_pb_button button_text=&#8221;Portable vs Home Standby\u2014What you Need to Know&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_border_radius=&#8221;28px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; button_url=&#8221;https:\/\/blog.norwall.com\/news-and-updates\/portable-generator-vs-home-standby-generator-what-you-should-know\/&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<h2 style=\"text-align: center;\">Starting Watts and Electric Motors<o:p><\/o:p><\/h2>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/blog.norwall.com\/wp-content\/uploads\/2022\/03\/Cummins-Quiet-Connect-Backyard-2-900x350px.jpg&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; alt=&#8221;Cummins 20kW Home Standby Generator in a Backyard&#8221; title_text=&#8221;Cummins RS20A Quiet Connect Installed in a Backyard&#8221; url=&#8221;https:\/\/www.norwall.com\/products\/Cummins-Quiet-Connect-20kW-Air-Cooled-Home-Standby-and-200-Amp-SE-Rated-Automatic-Transfer-Switch-RS20AC\/&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<p style=\"text-align: center;\"><em>Don&#8217;t Forget to Include Starting Watts When <a href=\"https:\/\/www.norwall.com\/power-expert\/Sizing-Guide-for-Home-Standby-Generators\/\">Sizing a New Home Standby Generator<\/a><\/em><\/p>\n<p>When an electric motor turns on, a momentary inrush of electric current starts the motor turning. For a fraction of a second, the motor has a very low resistance which allows a very high current to flow. As current begins to flow, the magnetic fields form and push and pull on each other and force the motor to start turning.<o:p><\/o:p><\/p>\n<p><!-- \/divi:paragraph --><!-- divi:paragraph -->Electrical Power is usually expressed in watts and is a function of the voltage (volts) and current (amperes or amps). <a href=\"https:\/\/blog.norwall.com\/generator-information\/generator-watts-volts-amps\/\">Watts = Volts x Amps<\/a> = Watts (P = V x I.) As the motor speed increases, the current flowing decreases until the motor reaches full speed and the current remains steady.<o:p><\/o:p><\/p>\n<p><!-- \/divi:paragraph --><!-- divi:paragraph -->The inrush or surge of current starts very high and tapers off quickly as the motor reaches full speed. During this short startup period, the average current is three to five times higher than at full speed under load.<o:p><\/o:p><\/p>\n<p>A motor that requires 5 amps at full load may require 15 amperes to start. 5A x 120V = 600 Watts. 15A x 120V = 1800 Watts.<o:p><\/o:p><\/p>[\/et_pb_text][et_pb_button button_text=&#8221;The Best Generators for Camping&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_border_radius=&#8221;28px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; button_url=&#8221;https:\/\/www.norwall.com\/power-expert\/Portable-Generator-Buyer-Guide-The-Best-Generators-for-Camping\/&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<h2 style=\"text-align: center;\">Generator Starting Watts (Surge Watts)<o:p><\/o:p><\/h2>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/blog.norwall.com\/wp-content\/uploads\/2021\/10\/champion-dual-fuel-4650-watt-inverter-generator-paralleled-travel-trailer-rv-200994-1200x800px.jpg&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; alt=&#8221;Champion 4650 Watt Dual Fuel Inverter Generators in Parallel for RV Travel Trailer&#8221; title_text=&#8221;4650 Watt Champion Dual Fuel Inverter Generators in Parallel&#8221; url=&#8221;https:\/\/www.norwall.com\/products\/champion-dual-fuel-4650w-inverter-generator-200994\/&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<p style=\"text-align: center;\"><em>Generac&#8217;s IQ2000: Rated for 2000 Starting Watts and 1600 Running Watts<\/em><\/p>\n<p style=\"text-align: center;\"><em><\/em><\/p>\n<p>As current increases, the heat created by the flow of current also increases. Without a device to prevent an overload, a generator could burn out or catch fire. A circuit breaker rated close to the continuous power capacity\u2014running watts\u2014prevents overloads but still allows higher levels of current\u2014surge watts\u2014to flow for a very short period. This allows the generator to start motors within the limits of the generator.<\/p>\n<p>The generator\u2019s main circuit breaker controls the flow of current through all the generator\u2019s receptacles. Each receptacle may also have a circuit breaker. If the power drawn rises above the circuit breaker\u2019s rating but does not exceed the breaker\u2019s surge rating, the current will continue to flow. However, if the current remains high for too long, the breaker trips.<\/p>\n<p>The main circuit breaker on the generator is the primary safety against overloading the generator and preventing failure<\/p>\n<p style=\"text-align: left;\"><em>Example: The average 1\/3-horsepower motor uses 830 running watts. To start, it needs approximately 2500 watts or about three times the running watts.<\/em><\/p>[\/et_pb_text][et_pb_button button_text=&#8221;Air-Cooled Home Standby Generator Packages with Power Management&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_border_radius=&#8221;28px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; button_url=&#8221;https:\/\/www.norwall.com\/power-expert\/Air-Cooled-Standby-Generator-Packages-with-Power-Management-Options\/&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<h2 style=\"text-align: center;\">Generator Selection<o:p><\/o:p><\/h2>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/blog.norwall.com\/wp-content\/uploads\/2018\/02\/house-night-all-lights-980x360px-Fotolia_76029302_S.jpg&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; alt=&#8221;A home with all the lights on during a power outage.&#8221; title_text=&#8221;Pick the Best Home Generator: What Size Generator Do I Need?&#8221; url=&#8221;https:\/\/www.norwall.com\/power-expert\/Standby-Generator-Buyer-Guide-What-Size-Generator-do-I-need&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<p style=\"text-align: center;\"><em>A backup generator from Norwall PowerSystems will keep your family and home safe during power outages.<\/em><\/p>\n<p style=\"text-align: left;\">\n<\/p><p>When choosing a generator for purchase or determining what loads a generator can power, take both specifications into consideration. Have a look at our <a href=\"https:\/\/www.norwall.com\/power-expert\/power-calculator\/\">Power Calculator<\/a> and our <a href=\"https:\/\/www.norwall.com\/power-expert\/sizing-guides\/\">Sizing Guides<\/a>. The sizing guides outline a method for determining the generator capacity required for any purpose. The Power Calculator provides a table of running watts and starting watts of common tools and appliances for reference. Remember that appliances and tools may vary\u2014check each one for actual power requirements.<\/p>\n<p>First adds up the running watts of all the appliances or tools the generator will run. You will need a generator that can supply the total running watts\u2015the continuous power rating\u2015 all the time. Next, find the appliance or tool with the highest starting watts and add the starting watts to the running watts. This is maximum surge watts or starting watts the generator must supply.<\/p>\n<p><a href=\"https:\/\/www.norwall.com\/\">Purchase a generator<\/a> that can supply the maximum watts required for a few seconds and the continuous running watts the rest of the time.<\/p>\n<p>Remember that small generators may have the capacity to run a load, but not enough reserve to supply the starting watts required.<\/p>\n<p>For example, a window air conditioner draws 6 amperes at 120 volts while running. 6 amps x 120 volts = 720 watts, but it needs at least 2160 watts to start. A generator rated for 1600 running watts and 2000 starting watts probably won\u2019t have the power to start the air conditioner. It may work for a short time but using this generator to run the air conditioner may significantly shorten the life of the generator.<\/p>\n<p style=\"text-align: left;\">Choose a generator with enough power to both start and run the load required. A good rule of thumb places the load on the generator at about 90 percent of generator&#8217;s rated continuous capacity or the running watts. The generator will run cooler and last longer.<\/p>[\/et_pb_text][et_pb_button button_text=&#8221;Buyer\u2019s Guide to Purchasing A Home Standby Generator&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_border_radius=&#8221;28px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; button_url=&#8221;https:\/\/www.norwall.com\/power-expert\/Standby-Generator-Buyer-Guide-What-Size-Generator-do-I-need\/&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>Understand the difference between a generator&#8217;s ability to start a motor and the power it&#8217;s rated to supply continuously. Generators Have Two Ratings: Starting Watts and Running WattsAll generators, from permanently installed home standby generators for backup power to portable generators on job sites, have two very important specifications that all generator users should understand. [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4999,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:heading -->\n<h2>Generators Have Two Ratings: Starting Watts and Running Watts<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"align\":\"center\",\"id\":3498,\"className\":\"wp-image-3498 size-full\"} -->\n<div class=\"wp-block-image wp-image-3498 size-full\"><figure class=\"aligncenter\"><img src=\"https:\/\/blog.norwall.com\/wp-content\/uploads\/2015\/03\/Construction-Workers.jpg\" alt=\"Men using power tools on a construction site\" class=\"wp-image-3498\"\/><figcaption>Appliances and Tools with Electric Motors Require More Starting Watts than Running Watts<\/figcaption><\/figure><\/div>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>All generators, from permanently installed <a href=\"https:\/\/www.norwall.com\/power-expert\/how-it-works-the-components-of-a-standby-generator\/\">home standby generators for backup power<\/a> to portable generators on job sites, have two very important specifications that all generator users should understand.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul><li>Running Watts: Power the generator can supply all the time. Also called rated watts or continuous watts.<\/li><li>Starting Watts: Power the generator can supply for a few short moments. Also called Surge Watts.<\/li><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>Both specifications are given in watts or kilowatts. For example, a manufacturer might specify that a <a href=\"https:\/\/www.norwall.com\/categories\/Portable-Generators\/Small-Generators\/\">small portable generator<\/a> can supply a maximum of 2000 watts, but it is rated for 1600 continuous watts. Maximum watts in this case refer to the surge watts or starting watts. Continuous watts refer to running watts.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>The distinction between starting vs running watts makes a difference when choosing a generator and especially when electric motors make up part of the total electrical load the generator supplies.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a class=\"BlueBtn auto-width\" href=\"https:\/\/blog.norwall.com\/news-and-updates\/portable-generator-vs-home-standby-generator-what-you-should-know\/\">Portable vs Home Standby\u2014What You Need to Know<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2>Starting Watts and Electric Motors<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"align\":\"left\",\"id\":4082,\"className\":\"wp-image-4082\"} -->\n<div class=\"wp-block-image wp-image-4082\"><figure class=\"alignleft\"><img src=\"https:\/\/blog.norwall.com\/wp-content\/uploads\/2017\/02\/cummins-quiet-connect-lifestyle.jpg\" alt=\"A Cummins Home Standby Generator RS20AC\" class=\"wp-image-4082\"\/><figcaption>Don't Forget Starting Watts When Sizing a New Home Standby Generator<\/figcaption><\/figure><\/div>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>When an electric motor turns on, a momentary inrush of electric current starts the motor turning. For a fraction of a second, the motor has a very low resistance which allows a very high current to flow. As current begins to flow, the magnetic fields form and push and pull on each other and force the motor to start turning.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Electrical Power is usually expressed in watts and is a function of the voltage (volts) and current (amperes or amps). <a href=\"https:\/\/blog.norwall.com\/generator-information\/generator-watts-volts-amps\/\">Watts = Volts x Amps<\/a> = Watts (P = V x I.) As the motor speed increases, the current flowing decreases until the motor reaches full speed and the current remains steady.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>The inrush or surge of current starts very high and tapers off quickly as the motor reaches full speed. During this short startup period, the average current is three to five times higher than at full speed under load.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>A motor that requires 5 amps at full load may require 15 amperes to start. 5A x 120V = 600 Watts. 15A x 120V = 1800 Watts.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a class=\"BlueBtn auto-width\" href=\"https:\/\/www.norwall.com\/power-expert\/Portable-Generator-Buyer-Guide-The-Best-Generators-for-Camping\/\">The Best Generators for Camping<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2>Generator Starting Watts (Surge Watts)<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"align\":\"left\",\"id\":4139,\"className\":\"wp-image-4139 size-medium\"} -->\n<div class=\"wp-block-image wp-image-4139 size-medium\"><figure class=\"alignleft\"><img src=\"https:\/\/blog.norwall.com\/wp-content\/uploads\/2012\/08\/iQ2000_Lifestyle_pic2__15902_zoom-300x188.jpg\" alt=\"IQ2000 Inverter Generator lifts easily into the back of a pickup truck.\" class=\"wp-image-4139\"\/><figcaption>Generac's IQ2000: Rated for 2000 Starting Watts and 1600 Running Watts<\/figcaption><\/figure><\/div>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>As current increases, the heat created by the flow of current also increases. Without a device to prevent an overload, a generator could burn out or catch fire. A circuit breaker rated close to the continuous power capacity\u2014running watts\u2014prevents overloads but still allows higher levels of current\u2014surge watts\u2014to flow for a very short period. This allows the generator to start motors within the limits of the generator.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>The generator\u2019s main circuit breaker controls the flow of current through all the generator\u2019s receptacles. Each receptacle may also have a circuit breaker. If the power drawn rises above the circuit breaker\u2019s rating but does not exceed the breaker\u2019s surge rating, the current will continue to flow. However, if the current remains high for too long, the breaker trips.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>The main circuit breaker on the generator is the primary safety against overloading the generator and preventing failure<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Example: The average 1\/3-horsepower motor uses 830 running watts. To start, it needs approximately 2500 watts or about three times the running watts.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a class=\"BlueBtn auto-width\" href=\"https:\/\/www.norwall.com\/power-expert\/Air-Cooled-Standby-Generator-Packages-with-Power-Management-Options\/\">Air-Cooled Home Standby Generator Packages with Power Management<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2>Generator Selection<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"align\":\"left\",\"id\":4281,\"className\":\"wp-image-4281 size-medium\"} -->\n<div class=\"wp-block-image wp-image-4281 size-medium\"><figure class=\"alignleft\"><img src=\"https:\/\/blog.norwall.com\/wp-content\/uploads\/2017\/08\/house-night-all-lights-900px-Fotolia_76029302_S-300x176.jpg\" alt=\"House with lights on powered by a standby generator.\" class=\"wp-image-4281\"\/><figcaption>A backup generator from Norwall PowerSystems will keep your family and home safe during power outages.<\/figcaption><\/figure><\/div>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>When choosing a generator for purchase or determining what loads a generator can power, take both specifications into consideration. Have a look at our <a href=\"https:\/\/www.norwall.com\/power-expert\/power-calculator\/\">Power Calculator<\/a> and our <a href=\"https:\/\/www.norwall.com\/power-expert\/sizing-guides\/\">Sizing Guides<\/a>. The sizing guides outline a method for determining the generator capacity required for any purpose. The Power Calculator provides a table of running watts and starting watts of common tools and appliances for reference. Remember that appliances and tools may vary\u2014check each one for actual power requirements.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>First adds up the running watts of all the appliances or tools the generator will run. You will need a generator that can supply the total running watts\u2015the continuous power rating\u2015 all the time. Next, find the appliance or tool with the highest starting watts and add the starting watts to the running watts. This is maximum surge watts or starting watts the generator must supply.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/www.norwall.com\/\">Purchase a generator<\/a> that can supply the maximum watts required for a few seconds and the continuous running watts the rest of the time.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Remember that small generators may have the capacity to run a load, but not enough reserve to supply the starting watts required.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>For example, a window air conditioner draws 6 amperes at 120 volts while running. 6 amps x 120 volts = 720 watts, but it needs at least 2160 watts to start. A generator rated for 1600 running watts and 2000 starting watts probably won\u2019t have the power to start the air conditioner. It may work for a short time but using this generator to run the air conditioner may significantly shorten the life of the generator.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Choose a generator with enough power to both start and run the load required. A good rule of thumb places the load on the generator at about 90 percent of generator's rated continuous capacity or the running watts. The generator will run cooler and last longer.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a class=\"BlueBtn auto-width\" href=\"https:\/\/www.norwall.com\/power-expert\/Standby-Generator-Buyer-Guide-What-Size-Generator-do-I-need\/\">Buyer's Guide to Purchasing a Home Standby Generator<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><em>Updated February 25, 2018<\/em><\/p>\n<!-- \/wp:paragraph -->","_et_gb_content_width":"","iawp_total_views":353,"footnotes":""},"categories":[10,25],"tags":[192,119,248,799],"semantictags":[],"class_list":["post-1993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-generator-information","category-generator-tips","tag-commercial-generator","tag-portable-generator","tag-standby-generator","tag-volts-amps-watts","et-doesnt-have-format-content","et_post_format-et-post-format-standard"],"_links":{"self":[{"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/posts\/1993"}],"collection":[{"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/comments?post=1993"}],"version-history":[{"count":19,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/posts\/1993\/revisions"}],"predecessor-version":[{"id":8391,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/posts\/1993\/revisions\/8391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/media\/4999"}],"wp:attachment":[{"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/media?parent=1993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/categories?post=1993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/tags?post=1993"},{"taxonomy":"semantictags","embeddable":true,"href":"https:\/\/blog.norwall.com\/wp-json\/wp\/v2\/semantictags?post=1993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}