Project Dashboard TAZ 5 LulzBot Power Supply Workflow

1 Gather tools and components for assembly


  • Power Supply
  • PS Case, Upper and Lower
  • Power Receptacle
  • Switch
  • Rubber Grommet
  • Rubber Feet
  • Connector
  • Nylon Loop Clamp
  • Fuses
  • M4x6 Flat Head Screw
  • M3 Lock Washer
  • M3 Washer
  • M3x6 Flat Head Screw
  • M3 Nyloc Nut
  • 60mm Green Ground with 2 rings
  • 60mm Green Ground with ring and spade
  • 70mm Black Wire with spades
  • 70mm White Wire with spades
  • 100mm Black Wire with ring and spade
  • 110mm White wire with ring and spade


  • Heat Gun
  • Scissors
  • 2mm Allen Driver
  • 2.5mm Allen Driver
  • Phillips Screw Driver
  • 5.5mm Socket and Rachet
  • Ruler
Heat Gun

2 Install Ferrite onto Power Cable

Install the ferrite by sliding it onto the power cable as shown.

The ferrite should be ~55 mm from the end of the connector as shown.

Slide a piece of 3/4" heat shrink over the cable and over the ferrite, centering the heat shrink over the ferrite.

Heat the shrink wrap with a heat gun, making sure the heat shrink stays centered over the ferrite.

Ferrite in place
Heat shrink in place and heated

3 Install Power Cable and Terminate Ends

Install the rubber grommet as shown.

Install the power cable through the rubber grommet one end at a time to ensure it fits through the grommet as shown. You may have to hold the rubber grommet in place while you slide the cable through.

Rubber grommet in place
Ends terminated

4 Install the Power Supply Unit

Install the Power Supply Unit using 4x M4x6 flat head screws as shown. Note orientation of the power supply.

Screwed in
In place, note orientation

5 Install Power Receptacle and Power Switch

Remove the 2x plastic terminal covers and set them aside. You will need them later.

Install the Power Switch as shown. Make sure it is oriented correctly with the "O" towards the bottom as shown.

Install 2x 125V Fuses into the Power Receptacle as shown.

Install the Power Receptacle using 2x M3x6 flat head screws as shown, note orientation.

Plastic covers taken off
Power switch
Power switch installed
Power receptacle and fuses
Fuses installed

6 Connect the power cable

Remove the 4 middle screws from the left terminal block and the 3 from the right terminal block as shown. The 2 terminal blocks have different size screws so keep track of that.

Hook up the power cable to the left terminal block using the screws you just removed as shown making sure the wires go to the correct terminals as shown. From left to right it will go Red, White, Green the Black.

Next, use the nylon loop clamp to fasten down the cable using a M3 washer and an M3 Nyloc nut as shown.

Screws removed
Orientation of wires
Nylon loop and hardware
Nylon loop attached and cable fastend

7 Install Green Ground Wires

Install the 60mm green ground wire with the 2 terminal rings. The Blue terminal ring will go to the first terminal on the right terminal block as shown.

Attach the other 60mm green ground wire to the top spade of the receptacle as shown.

Next attach the two red terminal rings to the ground post. Make sure there is a M3 lock washer under the 2 rings. Then secure with a M3 washer and a M3 nyloc nut as shown.

Lock washer
Orientation of wires and connected
Another view

8 Attach the black and white wires

Attach the 100mm black wire and the 110mm white wire to the right terminal block as shown making sure the white wire is on the far right and the black wire is in the middle.

Next, attach the 70mm black wire to the lower back spades from the power switch to the receptacle as shown.

Next, attach the 70mm white wire to the lower front spades from the power switch to the receptacle as shown.

Attach the 100mm black wire to the upper back spade and attach the 110mm white wire to the upper front spade as shown.

100mm black wire, 110mm white wire and screws
Wires attached, note orientation
70mm black wire attached
70mm white wire attached
100mm and 110mm wires attached

9 Attach the upper case

Attach the upper case to the lower case using 8x M3x6 flat head screws. Note that the smaller vent opening in the case will go towards the back where the fan is.

Case and hardware
Smaller vent oriented to the back where the fan is

10 Attach rubber feet

Attach 4x rubber feet to the bottom corners of the power supply as shown.

Rubber feet
Rubber feet attached
Done! Take me home