Replace Charging Cable with a NACS Cable

To replace the charging cable with a NACSClosed North American Charging Standard cable, complete the steps in this chapter.

Required Tools and Materials

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Torx screwdriver set

  • T20

  • T25

  • T40

  • T60

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T25 Torx Security screwdriver

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Hex nut driver, 10 mm (3/8 in)

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Dielectric grease

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Torque paint pen

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Head lamp

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Stepladder

Check the Cable Replacement Kit Contents

Technical illustration depicts the procedural step.
  1. Inspect the new part. Is the part free from shipping damage (damaged insulation, bent or broken pins, etc.)? If the part has any defects, go to chargepoint.com/support and contact technical support using the appropriate region-specific number before beginning work.

  2. Place the outer cable clamp surface on a padded surface to protect it from scratches until installed.

Installation Sequence

Inspect the serial number (a) located below the swing arms and above the rear panels on the back of the station.

Technical illustration depicts the procedural step.

Follow the installation sequence listed below based on the serial number.

Installation Sequence By Station Serial Number

Serial Numbers
2133xxxx and Higher

Serial Numbers
Prior to 2132xxxx

  1. Power Off the Station.

  2. Remove the Area Light Bar.

  3. Remove the LED Display.

  4. Remove the Top Front Panel.

  5. Access the Charging Cables.

  6. Update the Contactor Assembly - Advanced.

  7. Replace the Top Cable.

  8. Reassemble the Station.

  9. Power On the Station.

  1. Power Off the Station.

  2. Remove the Area Light Bar.

  3. Remove the LED Display.

  4. Remove the Top Front Panel.

  5. Access the Charging Cables.

  6. Replace the Top Cable.

  7. Reassemble the Station.

  8. Power On the Station.

Be aware of these important considerations:

  • If the station has a serial number 2133xxxx or higher, you might need to remove the contactor box and move the connectors.

Access the Charging Cables

  1. Cables are color-coded. Color codes are different for each installed charge connector type.

    CHAdeMO has white and black color codes. NACSClosed North American Charging Standard, CCS1, and CCS2 have red and black color codes. It is easiest to unfasten all cables for better access, even if only one cable is being replaced.
  2. Technical illustration depicts the procedural step.
    Charging Cable Color Codes
      CHAdeMo CCSClosed Combined Charging System NACSClosed North American Charging Standard
    Positive white red red
    Negative black black black
  3. Look closely at the upper slot, position 3, on the contactor box (a).

    If you do not see a relay through position 3, the station has a 2-relay contactor box and you must remove the contactor box and move the connectors. Complete the steps in Update the Contactor Assembly - Advanced before continuing.

  4. Technical illustration depicts the procedural step.
  5. If you can see a relay through slot number three, the station has a 3-relay contactor box and you do not need to remove the contactor box. Continue with the steps in this section.

  6. Technical illustration depicts the procedural step.
  7. Use a 10 mm (3/8 in) nut driver to remove the four CHAdeMO contactor nuts. Save the nuts for later reinstallation.

    Remove the CHAdeMO contactor cable lugs (b) from the lug landings (c).

    Avoid touching the lug contact area. Handle the cable lugs by their edges.
  8. Technical illustration depicts the procedural step.
  9. Press the retention tab (d) on the back of the CHAdeMO communication cable and remove it from the contactor assembly.

  10. Technical illustration depicts the procedural step.
  11. Gently remove the CHAdeMO communication cable from the P-clips mounted between the auxiliary power supply and the contactor assembly. The P-clips open at the top.

  12. Technical illustration depicts the procedural step.
  13. Pull both CHAdeMO cables (communication and conductor) so they hang down at the right side of the charging station in a bundle.

  14. Remove the DC ferrite from the cable bundle.

    Save the DC ferrite. It must be reinstalled later. If you have a 2-relay contactor box (determined in step 2 above), complete the procedure in Update the Contactor Assembly. After updating the contactor assembly, go to Remove and Replace the Cable in the Swing Arm.

    If you have a 3-relay contactor box (determined in step 3 above), continue with steps 9 and 10.
  15. Technical illustration depicts the procedural step.
  16. Use a T20 Torx screwdriver to remove the two M4 screws on each of the lower set of lug landings.

  17. Technical illustration depicts the procedural step.
  18. Move the lug landings to position 3.

    1. Align the each lug landing (f) with the correct guide pin (g) on the contactor box. The positive lug landing has a notched corner (h).

    2. Technical illustration depicts the procedural step.
    3. To seat lug landing on the contactor box, press the base (i) of the lug landing down.

    4. Technical illustration depicts the procedural step.
    5. Use a T20 Torx screwdriver to secure the lug landings on the contactor box.

      Torque the M4 screws to 1.69 Nm (15 in-lb).

Replace the Top Cable

  1. Identify the small data wire attached to the top cable. Unthread it from the tension tab.

  2. The data wire is a different color depending on the type of cable.
    Technical illustration depicts the procedural step.
  3. If the gasket is installed over the top of the cable clamp as shown, cut the gasket away on the top so that it sits in the channel on either side.

  4. Technical illustration depicts the procedural step.
  5. If you can see the screws (a) holding the cable clamp to the station, skip to step 6.

    If you cannot see the screws, complete steps 4 and 5.

  6. Technical illustration depicts the procedural step.
  7. Use a T25 Torx screwdriver to remove the ten M5 screws securing the cover.

  8. Technical illustration depicts the procedural step.
  9. Gently lift the cover (b).

  10. Technical illustration depicts the procedural step.
  11. Use a T25 Torx screwdriver to remove the ten M5 screws holding the cable clamp to the station.

  12. Technical illustration depicts the procedural step.
  13. Gently move the top cable’s wires to identify them in the overall bundle below. Pulling from inside the top arm, thread the three top cable wires (conductors and communications) up through the body of the station and out through the circular opening at the top of the station.

  14. Technical illustration depicts the procedural step.
  15. Remove the entire cable from the station.

  16. Remove the protective wrapping from the new cable clamp and lift the cable clamp up to the top arm. Insert the cable clamp into the arm so that the screw mounting tabs hold it in place to take the weight of the cable.

  17. Technical illustration depicts the procedural step.
  18. Use a T25 Torx screwdriver and ten M5 screws to secure the cable clamp assembly to the top arm. Torque to 4.5 Nm (40 in-lbs).

  19. Route the three wires (positive, negative, and communications) through the top arm opening. Reach through the top circular opening in the top arm to assist threading the wires through. Once all three connectors are through the circular gasket at the bottom of the bearing stack, continue routing the wires through from below the arms.

  20. Position the cable clamp in the arm. For the top arm, align the cable clamp so that the second semicircle in the housing (b) matches the gasket line in the arm.

  21. Technical illustration depicts the procedural step.
  22. After replacing the top cable, skip to Reinstall the Cables .

Replace the Bottom Cable

  1. Swing the bottom arm out for access. Use the provided foam block to hold the arm in place.

  2. Use a T25 Torx screwdriver to loosen the four M5 captive screws that hold the bottom lid to the station from below.

  3. Technical illustration depicts the procedural step.
  4. Swing the bottom lid to the outside of the station, to expose the inside of the bottom arm.

  5. Technical illustration depicts the procedural step.
    Lift up slightly on the bottom lid to help it clear the arm and gasket.
  6. If the gasket is installed over the top of the cable clamp as shown, cut the gasket away only on the top so that it sits in the channel on either side.

  7. Technical illustration depicts the procedural step.
  8. Identify the small data wire attached to the top cable. Unthread it from the tensioner tab.

  9. Technical illustration depicts the procedural step.
  10. Use a T25 Torx screwdriver to remove the ten M5 screws holding the cable clamp to the station.

  11. Technical illustration depicts the procedural step.
  12. Reposition the bottom arm to extend only 45 degrees out from the station. This maximizes the size of the wiring opening. Re-block with the foam block.

  13. Gently move the bottom cable’s wires to identify them in the overall bundle below. Pulling from inside the bottom arm, thread the three bottom cable wires (conductors and communications) up through the body of the station and out. Remove the entire cable from the station.

  14. Technical illustration depicts the procedural step.
  15. Remove the protective wrapping from the new cable clamp and lift the cable clamp up to the bottom arm. Insert the cable clamp into the slot in the arm so that the screw mounting tabs hold it in place to take the weight of the cable.

  16. Technical illustration depicts the procedural step.
  17. Use a T25 Torx screwdriver and ten M5 screws to secure the cable clamp assembly to the bottom arm. Torque to 4.5 Nm (40 in-lb).

  18. Route the three wires (positive, negative, and communications) through the bottom arm opening where it meets the station. Reach through the top circular opening in the top arm to assist threading the wires through. Once all three connectors are through the circular gasket at the bottom of the bearing stack, continue routing the wires through from below the arms.

  19. Technical illustration depicts the procedural step.
  20. Position the cable clamp in the arm. For the bottom arm, align the cable clamp so that the first semicircle in the housing (a) matches the gasket line in the arm.

  21. Technical illustration depicts the procedural step.
  22. Proceed to the next section to reassemble the station.

Reassemble the Station

Refer to the images in the procedures above while replacing the station components:

  1. Reinstall the ten screws that hold the cable clamp to its arm. Torque to 4.5 Nm (40 in-lb).

  2. Gently route the data wire through the tensioner, being careful not to overstress or cut the wire.

  3. If you removed the cover to access the cable clamp screws, replace the ten screws that hold the cover in place. Torque to 5.3 Nm (47 In-lb).

  4. Check gasket placement to ensure it sits inside the channel all around the arm.

  5. Replace the lid on top of its arm. From below, use a T25 Torx screwdriver to fasten the four captive screws. Torque to 2.6 Nm (20 in-lb).

    For the bottom lid, lift up slightly on the lid to help it clear the arm and gasket.
  6. Remove the foam block used to hold the swing arm open and allow the arm to swing back to home position.

  7. Replace the top lid.

  8. Route the communication cables through the plastic P-clips above the contactor box.

  9. Plug communication cables in on the left side of the contactor assembly, paying attention to which cable belongs in positions 1, 2, and 3.

    2-relay contactor boxes (boxes where the connectors were moved) have two active slots. Route the power connectors through slots 1 and 2. Connect the communications cables into slots 2 and 3 respectively.

      2-relay contactor box

      Technical illustration depicts the procedural step.

      (a) NACSClosed North American Charging Standard communication cable

      (b) NACSClosed North American Charging Standard DC charging cable

      (c) CCSClosed Combined Charging System communication cable

      (d) CCSClosed Combined Charging System DC charging cable

      3-relay contactor box

      Technical illustration depicts the procedural step.

      (a) NACSClosed North American Charging Standard communication cable

      (b) NACSClosed North American Charging Standard DC charging cable

      (c) CCSClosed Combined Charging System communication cable

      (d) CCSClosed Combined Charging System DC charging cable

  10. Apply a thin layer of dielectric grease to the face of each lug on the contact surface.

    Ensure that the DC ferrite is reinstalled before replacing the contactor lugs.
  11. Technical illustration depicts the procedural step.
  12. Replace contactor lugs with two nuts each, according to the previously taken pictures.

  13. Match positive and negative signs on the conductor labels to the signs imprinted on the plastic face of the contactor assembly. CHAdeMO is always in position 1 (lowest) when present. Torque to 6.8 Nm (60 in-lb) and mark with a paint pen.

    Do not install the contactor lugs with reversed positive/negative polarity. Incorrect polarity could damage the station or the vehicle charging from the station.
  14. Use a 10 mm (3/8 in) nut driver to retorque the nuts on all lugs of the contactor assembly to 6.8 Nm (60 in-lb), as shown in the images below. Mark any nut that required retorquing with a paint pen.

    There are up to three possible charge connector slots shown as 1, 2, and 3 on the front plastic cover of the contactor assembly.

    See the following examples of 2-relay and 3-relay connector boxes for reference:

    Example: 2-relay contactor box

    Example: 3-relay contactor box

Remove and Replace Cable in Swing Arm

  1. Unholster both cables and put them on a padded surface.

  2. Technical illustration depicts the procedural step.
  3. Swing the top arm out for access. Use the provided foam block (a) to hold the arm in place.

  4. Technical illustration depicts the procedural step.
  5. Use a T25 Torx screwdriver to loosen the four M5 captive screws that hold the top lid to the station from below. Set the top lid on a padded surface. The top lid must be removed whether the top or bottom cable is being replaced.

  6. Identify the small data wire attached to the top cable. Unthread it from the tension tab.

    The data wire is a different color depending on the type of cable.
  7. Technical illustration depicts the procedural step.
  8. If the gasket is installed over the top of the cable clamp as shown, cut the gasket away on the top so that it sits in the channel on either side.

  9. Technical illustration depicts the procedural step.
  10. If you can see the screws (b) holding the cable clamp to the station, skip to step 9.

    If you cannot see the screws, complete steps 7 and 8.

  11. Technical illustration depicts the procedural step.
  12. Use a T25 Torx screwdriver to remove the ten M5 screws securing the cover.

  13. Technical illustration depicts the procedural step.
  14. Gently lift the cover (c) so you can access the screws in step 9.

  15. Technical illustration depicts the procedural step.
  16. Use a T25 Torx screwdriver to remove the ten M5 screws holding the cable clamp to the station.

  17. Technical illustration depicts the procedural step.
  18. Gently move the top cable’s wires to identify them in the overall bundle below. Pulling from inside the top arm, thread the three top cable wires (conductors and communications) up through the body of the station and out through the circular opening at the top of the station.

  19. Technical illustration depicts the procedural step.
  20. Remove the entire cable from the station.

    Follow recommended product disposal guidelines when discarding the cable.

  21. Remove the protective wrapping from the new cable clamp and lift the cable clamp up to the top arm. Insert the cable clamp into the arm so that the screw mounting tabs hold it in place to take the weight of the cable.

  22. Technical illustration depicts the procedural step.
  23. Position the cable clamp in the arm. For the top arm, align the cable clamp so that the second semicircle in the housing (b) matches the gasket line in the arm.

  24. Technical illustration depicts the procedural step.
  25. Use a T25 Torx screwdriver and ten M5 screws to secure the cable clamp assembly to the top arm. Torque to 4.5 Nm (40 in-lbs).

  26. Route the three wires (positive, negative, and communications) through the top arm opening. Reach through the top circular opening in the top arm to assist threading the wires through. Once all three connectors are through the circular gasket at the bottom of the bearing stack, continue routing the wires through from below the arms inside the station.

  27. Ensure that the DC ferrite is reinstalled before replacing the contactor lugs.

  28. Technical illustration depicts the procedural step.
  29. Gently route the data wire through the tensioner, being careful not to overstress or cut the wire.

  30. Technical illustration depicts the procedural step.
  31. If you removed the cover to access the cable clamp screws, replace the ten screws that hold the cover in place. Torque to 4.5 Nm (40 in-lb).

  32. Check gasket placement to ensure it sits inside the channel all around the arm.

  33. Replace the lid on top of its arm. From below, use a T25 Torx screwdriver to fasten the four captive screws. Torque to 2.6 Nm (20 in-lb).

    For the bottom lid, lift up slightly on the lid to help it clear the arm and gasket.

Reinstall the Cables

Refer to the images in the procedures above while replacing the station components:

  1. Route the communication cables through the plastic P-clips above the contactor box.

  2. Plug communication cables on the left side of the contactor assembly, paying attention to which cable belongs in positions 1, 2, and 3.

    3-relay Contactor Box

    (a) NACSClosed North American Charging Standard communication cable

    (b) NACSClosed North American Charging Standard DC charging cable

    (c) CCSClosed Combined Charging System communication cable

    (d) CCSClosed Combined Charging System DC charging cable

  3. Ensure the 2-relay contactor box has been updated as described in Update the Contactor Assembly - Advanced before completing this step.

    2-relay Contactor Box


    2-relay contactor boxes (boxes where the connectors were moved) have two active slots. Route the power connectors through slots 1 and 2.

    (a) NACSClosed North American Charging Standard communication cable

    (b) NACSClosed North American Charging Standard DC charging cable

    (c) CCSClosed Combined Charging System communication cable

    (d) CCSClosed Combined Charging System DC charging cable

  4. Apply a thin layer of dielectric grease to the face of each lug on the contact surface.

  5. Match positive and negative signs on the conductor labels to the signs imprinted on the plastic face of the contactor assembly. Torque to 6.8 Nm (60 in-lb) and mark with a paint pen.

    Do not install the contactor lugs with reversed positive/negative polarity. Incorrect polarity could damage the station or the vehicle charging from the station.
  6. Replace contactor lugs with two nuts each, according to the images.

  7. Tuck the excess contactor cable down the side of the enclosure to avoid interfering with the cover panel in a later step.

  8. Visit Replace a Holster for instructions on replacing the holster.

REVERSE THE ABOVE STEPS TO REPLACE THE TOP FRONT PANEL, LED DISPLAY, AND AREA LIGHT BAR.

Power On the Station.

Update the Contactor Assembly - Advanced

Do not complete the procedure in this section if the station has a 3-relay contactor box. You only need to remove the contactor box and move the connectors if you are replacing a charging cable on a station with a 2-relay contactor box.

Remove the Contactor Box

  1. Use a 10 mm (3/8 in) nut driver to remove the four CCSClosed Combined Charging System contactor nuts. Save the nuts for later reinstallation.

  2. Technical illustration depicts the procedural step.
  3. Remove the CCSClosed Combined Charging System contactor cable lugs (a) from the lug landings (b).

    Avoid touching the lug contact area. Handle the cable lugs by their edges.
  4. Press the retention tab (c) on the back of the communication cable and remove it from the contactor assembly.

  5. Technical illustration depicts the procedural step.
  6. Remove the horizontal 50-pin ribbon cable (d). Push the tabs outward. Rock it gently from left to right as you pull out the cable.

  7. Technical illustration depicts the procedural step.
  8. Remove the remaining three CCSClosed Combined Charging System cables connected to the left side of the contactor assembly: 24 V DC power (e), and CAN connectors (f).

    Each cable is keyed to its corresponding connector except the CAN cables, which are interchangeable.
  9. Open the securing latches (g) on the left and right sides of the contactor box assembly by pushing down on the lock tab and lifting the lever.

  10. Technical illustration depicts the procedural step.
  11. Disengage the contactor assembly from the large bus bar connections at the bottom (h) by holding it with two hands near the bottom and rocking the assembly slightly as you pull outward.

  12. Once the bus bar connections release, pull the assembly forward along the support arms (i), then lift it away from the station.

    Avoid touching the tab contact area. Handle the cable tabs by their edges.

Move the Connectors

  1. Use a T25 Torx screwdriver to remove the three screws (a) securing the cover.

  2. Technical illustration depicts the procedural step.
  3. Remove the cover.

  4. Technical illustration depicts the procedural step.
  5. Unplug the 8-pin contactor connector from position 2 (b) and plug it into position 3 (c).

  6. Technical illustration depicts the procedural step.
  7. Unplug the 8-pin contactor connector from position 1 (d) and plug it into position 2 (b).

  8. Technical illustration depicts the procedural step.
  9. Replace the cover. Use a T25 Torx screwdriver and three screws to secure the cover.

  10. Place the included label on the contactor box indicating the updated slot numbers.

    Technical illustration depicts the procedural step.

Replace the Contactor Assembly

  1. Ensure latch clasps are open and not blocking the contactor assembly before installation.

  2. Rest the alignment pegs of the contactor assembly on the support arm hooks.

  3. Slide the contactor assembly back along the support arms. Push the assembly to engage the bus bars until fully seated.

    Ensure the connectors are aligned before pressing in. Do not apply excessive force. Doing so can damage the connectors. Once seated, gently pull the contactor assembly outward as a push-pull test to confirm it is securely seated.
    Ensure all cables are accessible without being pinched or caught under the contactor assembly.
  4. Fasten the latches on the right and left sides of the contactor assembly.

  5. Reconnect each cable on the left side of the contactor assembly.

    Technical illustration depicts the procedural step.

    (a) DCCClosed Dispenser Charge Controller communication ribbon

    Ensure the key aligns with the notch in the socket.

    (b) 24 V DC power

    (c) CAN connectors (interchangeable)

    Secure connector body to the mating connector on the contactor assembly and ensure the tabs are in the open position. During connection the insertion tabs automatically click into place.
  6. Go to Replace the Swing Arm Assembly. Continue with the steps to replace the charging cable.