J70 How to Wire The Charger

Wiring for a single 50 AMP Plugs

Steps:

1. Gather Materials

• Obtain the charger with an 8-foot lead and two big blue ends.

• Ensure you have the smaller adapters for the blue ends.

2. Identify Wires

• Locate the wires on the adapter: Grey, Blue, and Black.

• Wire Identification: Blue is ground, Grey and  Black are hot wires.

3. Prepare the 50-Amp Plug

• Remove the face of the 50-amp plug to access the prongs.

4. Understand Plug Configuration

• Identify the prongs:

  • The Top prong is the ground.

  • The two side prongs are hot.

5. Wire the Ground Connection

• Feed both pig tails into the plug.

• Take the (Ground) blue wires, one from each pigtail, and connect them to the top prong (ground prong). 

• Tighten the screw to secure the ground connection.

6. Wire the Hot Connections

• Take the (Hot/Live) black wires, one from each pigtail, and connect them to the right side prong. Put both blacks together.

• Tighten the screw to secure the connection.

• Take the (Hot/Live) grey wires, one from each pigtail, and connect them to the left side prong. Put both grey together.

• Tighten the screw to secure the connection.

7. Check Connections

• Ensure the connections are secure: ground, hot, hot.

• Perform a slight tug test.
  
  
  (Your plug should be wired like the picture below.)

8. Assemble the Plug

• Resecure the plug face back, covering the wires and prong connection.

9. Connect to Generator

• Insert the adapters into the plug, ensuring the larger pins are aligned.

• Plug the charger into the generator.

Wiring for two 30-AMP plugs

Steps:

1. Gather Materials

• Obtain the charger with an 8-foot lead and two big blue ends.

• Ensure you have the smaller adapters for the blue ends.

2. Identify Wires

• Locate and Identify the wires on the adapter: blue (Ground), white (Hot), and black (Hot).

• Remember: blue is ground, white and black are hot wires.

3. Prepare the 30-Amp Plug

• Remove the face of the 30-amp plug to access the prongs.

4. Understand Plug Configuration

• Identify the prongs:

  • L-shaped prong is ground (green screw).

  • Two larger prongs are hot (gold screws).

  • Do not use the smaller top prong (neutral).

5. Wire the Ground Connection

• Feed the blue wire into the ground port of the plug.

• Tighten the set screw to secure the connection.

6. Wire the Hot Connections

• Insert one of the hot wires (white or black) into one of the hot ports and tighten.

• Repeat for the second hot wire. 

7. Check Connections

• Ensure the connections are secure: ground, hot, hot. and nothing on the neutral 

8. Assemble the Plug

• Slide the collar up through the wires and align screw holes.

• Secure the collar and replace the top screws.

9. Finalize Wiring

• Optionally, trim wire ends for a better fit or use electrical tape for insulation.

10. Repeat

• Repeat steps 1-9 for the second 30-amp plug.

11. Connect to Generator

• Insert the adapters into the plug, ensuring the larger pin (ground) is aligned.

• Plug the charger into the generator.

  

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