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Wiring the Pressure Switch

1:02
1:43
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At 1:02 in

full compressor build video coming soon!

What happens here

After wiring the motor, the next step focuses on the pressure switch, which acts as the central control for the compressor. The pressure switch has separate sets of terminals: one for the motor connection and another for the incoming power plug. For this particular pressure switch, the creator states that the Line 1 and Line 2 connections are interchangeable, meaning the black and white wires can be connected to either of the two line terminals. The wires coming from the motor (Line 1 and Line 2) are connected to the terminals labeled 'Motor,' while the Line 1 and Line 2 wires from the main power cord are connected to the terminals labeled 'Plug.' All green (ground) wires from both the motor connection and the power plug are twisted together and secured using wire nuts to ensure a proper ground connection.

Goal: Connect the motor and power plug to the pressure switch

Tools and materials

  • Pressure Switch — Controlling the compressor's on/off cycle based on pressure
  • SOOW Cable — Connecting the motor's electrical lines to the pressure switch
  • Wire Nuts — Securing twisted ground wires

What they say

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line two, black to line one, white to line two, and then your ground screws up here. Come down here, line one, line two. It doesn't matter which way you go. And this one actually tell you motor and plug. Um, so this one's going to come to my motor. This one's going to come to my plug. And then your grounds, we just twisted them together. um should be good to go. Same with inside the plug here.

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