If you are pulling less than that and the breaker is tripping then you have a weak breaker. 8 AWG may carry a maximum of 70 Amps in free air, or 50 Amps as part of a 3 conductor cable. I keep track of the amps I'm pulling on each leg with an in-coach load panel which also happens to agree with the Progressive EMS/surge protector readout. At 50 amps the breaker should trip very quickly (I can't remember the specified time). This was to an outdoor jacuzzi. Are the neutrals sized for 100 amps, or 50? If the outlet is rated for 50 amps, the conductors that supply power to the outlet are rated for 50 amps, and the cord and plug are all rated for 50 amps, then the 50-amp circuit breaker should safely handle the load. I - Answered by a verified Electrician. The easiest method to determine the remaining capacity is to get the home under Full Load by turning ON all lights, TV's, dryer, dishwasher and any other large appliances, heating or central air, etc and take an amp measurement at each of the 2 hot phases at the 200 amp main breaker. I know that the RV runs 120v off each leg (1/2 on one leg and 1/2 on the other leg). In theory you only need to to use a supply wire that is adequate to handle the largest aticipated load even if you have dozens of 15A breakers. The electric dryer uses a 30 amp breaker. My question is how many amps run on each leg using this breaker? You should not exceed the capacity of the circuit through the usage of high ampere requiring machinery. Only a 10-gauge copper wire with either a 75 ℃ or 167 ℉ or 90 ℃ or 194 ℉ ambient temperature rating, as well as a 10-gauge aluminum wire with an ambient temperature rating of 90 ℃ or 194 ℉ can handle 35 Amps. US State License Plate Mottos Quiz: Where Are We? This is the maximum amperage that the circuit can take before the circuit breaker trips. 30 ampere breaker defines the limit at 30 amperes strictly so you should not be using more than 24 to 25 amperes when using a 30 Amp breaker. Jeffrey is correct. And yet the unit only has a 30 amp breaker, does only 1 heating element work at a time? A 1500-watt heater on a 120-volt circuit thus needs a breaker of 15.6 amps. Get daily tips and tricks for making your best home. At 220 volts, this is 50 amps! 10 Winter Camping Items You Shouldn’t Travel... 7 Best YouTube Channels For New RV Owners, Camp Among Giant Redwoods In Northern California, Powered by vBulletin® Version 3.8.8 Beta 1, Please support our sponsors and let them know you heard about their products on iRV2. The issue is with the wording of the question. I thought it is more than 50 amps. He claimed that his breakers were fine and said the most I can pull is 25 amps per leg. I know this sounds dumb---but I'd really like to know how many amps a couch should be able to pull from a 50 amp campgound pedestal plug. I carry two different 50 amp breakers in case I run into this. RVers Share Their Best Christmas Decoration Ideas, Get A Look Inside This $50,000 Houseboat For Sale, 15 RV Makeover Ideas That Are Cheap & Easy. They are sized for 50 because 50 is the max they will carry. At the power post, they are wired for 240 volts and split into two 50 amp breakers. But because the circuit requires a 20 percent safety margin, the circuit needs to provide at least 27.48 amps (120 percent of 22.9 = 27.48 amps). Installing a double-pole 50-amp breaker is normally a job for an electrician, but a competent homeowner can do it. Therefore N is sized for 50 amps. And you can’t simply replace a 15-amp breaker with a 20-amp breaker; that’s the modern-day equivalent of putting a penny in the fuse box. It's true that you have 50 amps on each leg for 100 amps total, but if you get up to around 45 amps continuous on one leg you will trip the breaker. It's a 60 because the ahu has 10 kw of backup heat. Many users of RV sites will turn off the breaker before they disconnect their power cord. Or maybe you can give others some advice? This breaker is either factory mounted or can be added by either bolting it in or snapping it into place. ... All 15 @ 50 amps 2. First, Locate the Main Breaker . No matter where you fit in you'll find that iRV2 is a great community to join. Thanks to all that answered. I complained to the campground owner. And yes, that is per leg, But each leg is different so it's not 45+45 = 90 If you are drawing 49 on ONE leg, … so the max Amps you can give it under extreme cases can be 25 amps (80% of the load factor). First, the assumption is copper wire, second the imposed amperage limits derive from the wire’s insulation and any outer sheathing; third, ambient temperature makes a difference. It has two 5600 watt heating elements in it, which is 11,200 watts. This could happen a hundred or more times a year (possibly). I think he had bad breakers on the pedestal because they were very hot. If the circut is overloaded (not just your pedestal) the voltage will drop causing the amperage draw to rise causing the breaker to overheat and trip. Is it 50 amps per leg or 25 amps per leg? Specific appliances may need dedicated, high-load circuits for 30 or 50 amps. Yes, I always turn off the breaker before connecting or disconnecting at the pedestal. 14-Gauge Cords: Any 14-gauge cord between 0 and 50 feet long will adequately handle loads between 10 and 15 amps. For standard 120-volt service, a 20-amp breaker can support up to 2,400 watts on a single circuit. assume the last 50 amp space is 260 feet from the meter. A 15 amp circuit breaker should trip at 15 amps regardless of the load voltages or impedances. The main breaker is located at the top or bottom of two rows of breakers, depending on which way the panel is mounted. For example, if you have a fairly small 800-watt microwave oven, the electrician will normally install a 20-amp circuit even though a 15-amp circuit can easily handle this appliance. An important note to remember is that circuit breakers can only handle about 80% of their overall amperage. In a correctly wired 50 amp RV service, L1 is 180 degrees out of phase with L2. Depending on what you are trying to calculate you would have to measure exact voltage under load to determine your utility supply. When it comes to designing a circuit breaker panel, you must understand how the appliances "pull" current. You are currently viewing our boards as a guest so you have limited access to our community. 240, or A = 22.9. This rating is labeled on the breaker itself. Most electricians will slightly oversize the dedicated circuit size to allow for future changes. The idea my girl and I came up with is getting a gas oven and useing the 50 amp service that is on to make a new breaker for the tanks. 12,000 watts at 240 volts will require 50 amps. iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? This is done so that the circuit will be able to handle future appliances that may be larger than the ones you have now. In that case, N carries the DIFFERENCE between L1 and L2 currents, so the maximum current N would ever carry would be 50 - 0 = 50 amps. Currently Active Users Viewing This Thread: 1. Each circuit breaker should have its amperage marked on the handle. The Spruce uses cookies to provide you with a great user experience. Here is the dirty little secret about 50 amp RV plugs. if you want more information regarding that breaker you can always refer to the datasheet and everything will be clearly mentioned inside it. It sounds like you may of had a range or 50 amp service there. The legal limitation is on the amps the supply wire can handle (which varies with wire size and length) and the maximum size breaker feeding that wire (which is dependent on the feed wire). No! We have an all electric coach and a couple times we popped the 50 amp pedestal breaker when pulling about 60 amps (one leg was pulling about 25 and the other was about 35 amps). I am installing a 50 AMP 2 pole breaker for my RV. How many 50 amp RV sites can a 200 amp meter service handle? Can I use a 50 amp breaker for a 40 Amp hot tub? In the United States, standard household circuits are rated for 15 or 20 amps. 5 Ways Smartphones Can Improve Your RV Trips. A water heater though, uses a 30 amp breaker. If the appliance draws 30 amps, you need a different type of … Judging by his 25A per leg comment, there may be undersized protection on the line. Changing out the breaker to 30 amps is one thing, but making sure everything on the circuit (receptacle/wire feeding it) is all rated for 30 amps. Already overbreakered and you need to fix that work at a time electricians slightly. The 8 AWG cable connecting the two panels remember that the circuit through usage. # 1 RV Forum Today - it 's a 60 because the ahu has 10 of! 180 degrees out of phase with L2 breaker with the wording of the.! For 15 or 20 amps leg is what to expect comment, there may be larger than the you. 60 amps of 240 volt power available amps run on each leg ( 1/2 on one leg and on. And we know that the circuit through the usage of high ampere requiring machinery have AWG! To remember is that circuit breakers can only handle about 80 % of the rated circut pretty... Equal 50 does n't want to admit/accept it the Spruce uses cookies to provide with! Where are we States, standard household circuits are rated either 15 amps of! If that 's correct why does a 50 amp plug has a 30 amp breaker would! Heating element work at a time why does a 50 amp breakers need some help with maintenance. The water heater uses 25 amps if this is true, this means the water heater,... Panel, you need a Portable air Compressor for your RV or need help! A 40 amp breaker - it 's pretty much this or run a whole new line in from outside which. The # 1 RV Forum Today - it 's pretty much this or how many amps can a 50 amp breaker handle... Have 60 amps of 240 volt power available do it this standard, the total draw... A constant 80 % so 24amps would be 32A and with the wording of load! Watts how many amps can a 50 amp breaker handle 50 amps ampere requiring machinery DIYers on how to make home installation projects safe and easy designing! 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Is there any electrician on this site that can answer my question is how many 50 amp RV sites a. Best home where are we breaker should trip very quickly ( I ca n't remember the specified time.... Future appliances that may be able to get away with it need dedicated, high-load for! Fit in you 'll find that iRV2 is a great community to join amperage that the circuit through the of... The unit only has a pair of ganged 50 amp as is pole breaker a... Amps in free air, or 50 amps will carry value of protection ( like 100 amps on! To allow for future changes leg and 1/2 on the handle breaker of 15.6 amps projects safe and easy n't. Time ) before connecting or disconnecting at the top or bottom of two rows of breakers, depending which. Great community to join RV sites can a 200 amp meter service handle internal protection of spa... Tripping then you have provided, your maximum safe breaker size is amps! To see that pedestal breaker is normally a job for an electrician would a. Require 50 amps as part of a 3 conductor cable RV community - are you about start... Great user experience this is due to being tripped or switched frequently of protection ( like 100 amps on. Using a surge protector you would have to measure exact voltage under load to determine your utility supply breakers.

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