How To Install A Battery Disconnect Switch On Trailer
Disconnecting your batteries tin be very useful in maintaining bombardment health, working on the RV electrical system, and safely replacing batteries. That's where an RV battery disconnect switch comes into play. Let'due south acquire what these switches do, how to use them, and why you might want one if your rig does not have one.
What Is An RV Battery Disconnect Switch?
They're devices that interrupt the catamenia of power from your business firm batteries to the RV cabin. It's a valuable slice of equipment when it comes to storing your RV and doing maintenance. The switch typically resides in the battery compartment or a nearby bay.
How RV Battery Disconnect Switches Piece of work
You can disconnect your RV batteries by removing the negative cable that connects the cabin of your rig to the bombardment banking company. Doing so manually is cumbersome and leads to wear and tear on the bombardment cable and post.
That's where an RV battery disconnect switch makes life easier. Instead of the cabin's negative cable connecting directly to the battery banking concern, information technology connects to the disconnect switch. A second, usually shorter, negative cable then connects the switch to the battery bank. Engaging the switch stops the flow of power from the batteries to the RV cabin.
Why the Bombardment Disconnect Switch Is Of import
The bombardment disconnect switch is important in increasing battery health and protecting yourself when doing maintenance and repairs. The ease of using a disconnect switch versus manually disconnecting the batteries makes it an important device to have in any RV.
If you were to ever have an electric upshot or electrical fire quickly switching the bombardment disconnect could prevent farther harm. Because of this knowing where it is located and how to rapidly get to it is critical.
When Should You Use the Battery Disconnect Switch?
There are two master situations when you lot should utilise an RV bombardment disconnect switch: storage and maintenance.
Storage
When you're storing your RV without shore power, utilise your disconnect switch. Fifty-fifty though you may close off all of the appliances, they might still pull a pocket-size charge. Fifty-fifty when fully disconnected, batteries lose accuse over time. This is usually negligible. But when batteries are left connected, appliances that are turned off still pull plenty of an additional charge to drain and damage the batteries potentially.
What well-nigh if you are connected to shore ability? Should you nonetheless disconnect the batteries. Well when disconnected the batteries volition non charge and then the answer depends. The reply will depend on what type of battery charger yous accept and what type of batteries. If yous have lead-acrid batteries and a multi-phase converter/battery charger with a storage style, then no, leave it on. If you only take a three stage charger, so turning information technology off and using a battery tender would be meliorate. And if you have lithium-ion batteries, then exit them on.
Maintenance
Using the disconnect switch to terminate the period of power when doing maintenance helps ensure your prophylactic. You should disconnect the ability any time you're doing repairs, whether you take a disconnect switch or not. The switch only makes it simpler.
When replacing batteries its much safer to have a disconnect switch that is off than trying to wrench off the terminals with them on. This is considering if your wrench makes contact with the RV frame and the batteries are connected you could crusade a short. This could cause a bright spark that could blind, burn or cause a fire.
Does Every RV Come up with a Disconnect Switch?
Most RVs now come up with an RV battery disconnect switch installed, simply not all. Older RV's in detail did non accept battery disconnect switches. If your rig doesn't take 1, they're adequately easy to install. Fifty-fifty if you don't want to or don't feel comfortable installing ane yourself, it's relatively inexpensive to hire a professional person.
Where Is It Located?
The disconnect switch is typically located next to the batteries or in a nearby bay. It'south also sometimes found in or engaged from the RV cabin itself. The switch should be located as the first item off the battery wiring before anything else is continued to the batteries, fifty-fifty the footing. This enables it to properly shut downwardly the unabridged battery system.
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How to Install a Bombardment Disconnect Switch on an RV
Installation is easy. Y'all only connect the negative cablevision from the RV motel to one side of the switch. You lot then connect a shorter negative cablevision from the other side of the switch to your bombardment bank, where the cabin'southward negative cable was formerly attached.
Once you lot connect the cables, information technology will cutting the power from the batteries to the cabin when the switch is dis-engaged. Most RV battery disconnect switches have mounting holes, making it easy to apply screws or bolts to mount the switch next to the batteries or in a nearby bay.
Should a Battery Disconnect Switch Be on the Negative Or Positive Side of the Batteries?
I recommend installing battery disconnect switches on the negative lead.
Many RV'south come with the battery disconnect switches installed on the positive bombardment lead into the RV. This has been common practice for many years and it does work, however, installing information technology on the negative side has an boosted benefit.
Primarily when replacing or working on the battery wiring, if the negative is not asunder you lot can cause a brusk circuit if y'all affect the positive lead to the RV frame. This can be avoided by disconnecting the negative first or if the battery disconnect is installed on the negative pb the take chances is mitigated.
Increase Safety And Maximize Battery Life
In our stance, these switches well worth the investment. Y'all should be able to buy a simple disconnect switch for anywhere between $fifteen and $30. Yous could even practice the installation yourself to salve more money.
Using an RV disconnect switch is a great way to increase your prophylactic, maximize your bombardment life, and get the most out of your RVing experience. This small investment can salvage your batteries and protect you when you're doing maintenance. Do y'all take one?
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