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Old 09-12-2016, 06:14 AM   #1
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30 amp or 50 amp??

Just a quick question how do you find out what amperage to hook up to ? I'm new and they ask what type of hook up I want when making reservations 30 or 50 ?
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Old 09-12-2016, 06:17 AM   #2
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Originally Posted by steppinstone View Post
Just a quick question how do you find out what amperage to hook up to ? I'm new and they ask what type of hook up I want when making reservations 30 or 50 ?
What type of unit do you have and more importantly how many metal blades on the plug of your power cord? 3=30 amp, 4=50 amp.
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Old 09-12-2016, 06:22 AM   #3
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Originally Posted by steppinstone View Post
Just a quick question how do you find out what amperage to hook up to ? I'm new and they ask what type of hook up I want when making reservations 30 or 50 ?
Our coach has a 50 amp connector, and if we plan on using both AC's, electric water heater, and microwave all at the same time, we need 50 amps. If you can get by just using one AC at a time, or reduce one of the other major draws, you can get by with 30 amp just fine. It will open up more sites to you for camping, and possibly save a few $$'s along the way as well. Just make sure that you have the necessary adapters to plug in!
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Old 09-12-2016, 06:31 AM   #4
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Look at the end of your shore power cord to see which configuration it has, visuals below.

Top one is 50 amp, bottom one is 30 amp.

Dr4Film ----- Richard
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Old 09-12-2016, 06:36 AM   #5
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Look at the end of your shore power cord to see which configuration it has, visuals below.

Top one is 50 amp, bottom one is 30 amp.

Dr4Film ----- Richard
Thanks Dr4film that was easy I guess I only have 30 amp service >
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Old 09-12-2016, 06:56 AM   #6
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As you have probably figured out by the replies above, there are 2 factors to whether you need 30 or 50 Amps. 1 has to do with the type of service your unit can handle and the second is how much power you need to do the things you typically do simultaneously.

Dr4Film provides pictures above of 30 and 50 Amp plugs. If your unit only has a 30 Amp plug, than the answer is very easy since you can't use more than 30 any ways... If your unit has a 50 Amp plug on the other hand, then you can choose 30/50 based on your energy needs (see below), since you can buy a 50 to 30 Amp pug adapter at almost any Wal-Mart or camping store.

For calculating how much energy you need, you can use the list below as a quick reference to the power requirements of typical appliances in the RV.

A/C (12-15 Amps per unit)
convection oven (11-13 Amps)
refrigerator in 120V mode (5-8 Amps)
Space Heater (8-13 Amps)
Television (.5-4 Amps)
Toaster (7-10 Amps)
Vacuum-handheld (2-6 Amps)

Now for us, we have found that 30 Amps is almost sufficient even though we have a 50 Amp plug. We only have 1 A/C unit so unless it is very hot (and we need to run the oven/A/C and say TV al at the same time, we are fine on 30. In places where it is very hot though, we tend to splurge for the 50 if available so we can keep the A/C and a fan on no matter whether we are cooking or not .
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