How to wire XLR wall plates

Updated April 17, 2017

XLR cables are the standard for live audio and recording cable. Whether connecting microphones to amplification or connecting speakers in a recording studio, XLR cables have a number of functions. However, as they are so frequently used, wire clutter can become an issue with XLR cables. Running XLR cables through walls to wall plates is one solution to wire clutter. With the right tools and technique, you can wire XLR wall plates in a few steps.

Mark the desired location for the wall plate by holding a mounting bracket against the wall and tracing it with a pencil.

Cut out the shape of the mounting bracket with a drywall knife.

Set the mounting bracket in the hole you have just cut and secure it into place by hand. Different mounting brackets secure into place in different ways; refer to your particular mounting bracket's instructions for details on how to secure it.

Find the location of the source cable. XLR cables are most often used with audio equipment, so the source will most often be a mixer, amplifier or some other piece of audio equipment.

Label the source cables to run to the wall plate with masking tape and a pencil to allow for easy identification when attaching them to the wall plate.

Tie the ends of the source cables together with electrical tape.

Tape the taped-together ends of the source cable to a cable runner and pass them through the wall to the wall plate location.

Remove the electrical tape securing the source cables to the wire runner and remove the electrical tape secure the ends of the wires to each other.

Strip approximately 1/2 inch of insulation from the ends of the source cables with a wire stripper.

Solder the positive, return and ground wires to their matching terminals on the XLR connectors with solder and a soldering iron.

Screw each connector into place in the wall plate, marking down which source cable is in each opening of the wall plate.

Screw the wall plate into the mounting bracket with screws using a power drill and driver bit.

Things You'll Need

  • Mounting bracket
  • Drywall knife
  • XLR cable
  • XLR cable connectors
  • XLR wall plate
  • Drill
  • Driver bit
  • Screws
  • Cable running kit
  • Electrical tape
  • Wire strippers
  • Soldering iron
  • Solder
  • Sponge
  • Pencil
  • Masking tape
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