How to wire a double pole breaker with 10-2 wire

Video How to wire a double breaker with 10-2 . wireDo you need a new circuit breaker replacement or are you adding an extension? Either way, if you’re bound to the task of installing a breaker, it’s best to learn how to wire a double pole breaker. power supply, remove the panel cover, strip the circuit wire, connect the hot wire to your new breaker and finally install the breaker to the control panel. this lesson. Before you work on your electrical service panel, make sure to have a professional contractor present or let them do the work just to be safe.

What you will need

Installing a two-pole circuit breaker does not require the most expensive tools on the market. You will only need to pay attention to the quality of the circuit breaker while you can find your tools in a typical toolbox at home. The required items are listed below before you proceed to wire the double breaker.

1. 240-Volt Circuit Breaker

A two-pole breaker has 240 volts from two hot wires supplying 120 volts each. The wiring of the 240V 30 amp two-pole breaker consists of two hot wire leads (black or red) and one ground wire lead (green). For example, your circuit breaker control panel is from the manufacturing company Siemens. By design, your double breaker should also be from Siemens, also make sure the breaker is suitable for your electrical system. For example, dual circuit breakers should not be used for 110 Volt circuits.

2. Personal Protective Equipment

Personal Protective Equipment will act as your protection against electrical hazards as you will be working in high voltage areas. When you install the breaker, you will need the following PPEs:

3. PlusMinus . screwdriver

Read more: how to put a kiltie in the starter This type of screwdriver is the best for electrical panels and terminals because of its hybridity. It’s pretty handy for the screws in your control panel, whether it’s the Philips or slotted type. It is highly slip-resistant, which is great for reaching tight spaces. Otherwise, you can still use a regular screwdriver if that’s the only tool available. If you are going to use different types of screwdrivers, I recommend using a tool that is the right length so that it doesn’t come off easily and is properly insulated.

4. Rewinder

Wire strippers, also known as cable pullers, are used to remove protective insulators from wires. Its design is to remove the plastic insulation and avoid damaging the copper wiring inside. Typically, there are strippers that are made to remove 10-gauge strings to 20-gauge strings. In your case, you will be working on a 10-gauge wire, so buy a tool that can precisely decouple the circuit breaker’s wire. The Uvital Wire stripper is an excellent example of this tool.

5. Voltage meter

Finally, to be on the safe side, use a voltage tester to identify live parts of the control panel before placing your hands on it. You can also use a multimeter (analog or digital). One advantage of a multimeter is that you can later determine if your wiring is correct or reversed.

Steps on how to wire a two-pole circuit breaker

Now that you have gathered all the necessary documents, let’s proceed to the installation of the circuit breaker. Follow these complicated procedures while keeping your safety in mind.

Step 1. Turn off the main breaker and check the current

Cut off the mains power by turning off the high current breaker found on the top part of your control panel. Then, carefully remove the screws securing the panel door and cover plate. Once all the wires inside your circuit breaker are exposed, check if there is current flowing inside your breaker using a voltage meter. Remember to avoid contact with the service lugs as they are always energized. After you are sure that the main circuit breaker has no power, move on to the next step.

Step 2. Check the control panel wiring

Read more: how to dismount in minecraft computer Before you touch any of the wires involved in the installation of your breaker, look for the empty slot where you will place your double pole breaker. As I mentioned earlier we have two leads or hot leads, making our double pole breaker available for two circuits. With practice, only two hot wires are involved here except in case you have a Miniature Circuit Breaker (MCB) which has four terminals: 2 for incoming supply and 2 for outgoing power.

Step 3. Strip the circuit wires

From the end of each hot wire, strip the wire about half an inch of the protective insulation with a wire tool. Repeat this procedure until you have made full contact with the copper wires. Repeat the process on the green ground wire and make sure all three wires are well measured to withstand the breaker amperage.

Step 4. Connect your two-pole circuit breaker

Like what you’ll see in a typical double-pole circuit breaker wiring diagram, connect two hot wires to the circuit breaker terminals – one hot wire to each terminal, respectively. . Insert the clipped end of the breaker into the slots, then place the other end into the hot busbar wings until you hear a click, indicating it’s secure. Don’t forget to plug your ground wire into the ground rod. Insert the stripped end into an opening and secure the terminal screws. For safety purposes, do not place multiple ground wires in a single space.

Step 5. Reassemble the breaker panel

You can now place the dead front cover, along with the panel door, back into the body of the dashboard. Finally, restore power and perform a test regarding the circuit connected to your new two-pole breaker.

Inference

Did you have fun in our lesson? This article on how to wire this two pole circuit breaker is a must for a DIYer like you with its easy steps. Never forget to turn off the power before you pry the circuit breaker lines, and in case you experience any problems, contact an electrician. What are your thoughts and comments about this guide? Please join us in the comments section below, and please share if you found this helpful. Read more: how to get rid of fleas on newborn puppies

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