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Electrical Wire and Cable

Generator Receptacle Configurations

By Dave Rongey - Summary:

Wiring a Generator Receptacle: Generator Hookup and Receptacle Configurations, Wiring a Neutral Wire for a Generator.

Limitations of Some Generator Receptacles

Generator Question: I have an older Coleman generator, Coleman Maxa 5000 er plus Model# pm0525302.02, and it has one duplex 120volt 20 amp receptacle and one 240 volt 20amp type 6-15R receptacle.

This Home Generator Question came from: Eric, a Homeowner from Norwalk, Connecticut.

Dave’s Reply:
Thanks for your home generator question Eric.

Wiring a Generator Receptacle

Application: Generator Receptacle Connections.
Skill Level: Advanced -Not recommended for Homeowners, best performed by a Licensed Electrical Contractor.
Tools Required: Electricians pouch of hand tools.
Estimated Time: Depends on the type and size of the generator output, the specific receptacle, and the available access to the project area.
Note: Generator power should always be wired through an approved transfer switch or circuit interlock device. Any part of the home electrical system must NEVER be back-fed using a cheater cord. Back-feeding is extremely hazardous for the home, the occupants and the electric utility company repairmen.
Important: Installing a generator and transfer switch must be well thought out and performed with a permit with all work being inspected.

Generator Hookup and Receptacle Configurations

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FAQs Frequently Asked Questions and Comments

3 Responses to “Generator Receptacle Configurations”
  1. Wayne says:

    I have a Coleman Maxa 5000 ER Extended run electric Generator and need the wiring schematic for the receptacles. Seems I have looked everywhere. Can anyone on here help me with this problem by chance? Thanks

  2. Dave Rongey says:

    Hi Wayne,
    Wiring a L14-20 Outlet for a 5000 Watt Generator
    The Coleman Powermate 5000ER has a 4 Wire, 120/240 Volt, 20 Amp, Twistlock Receptacle.
    The 240 volt lead wires connect to terminals X and Y.
    The neutral wire attaches to the silver terminal screw.
    The ground wire attaches to the green screw terminal with the ground designation.

    I hope this helps,

  3. Wayne says:

    I had to replace the 240v receptacle on my Coleman Powermate MAXA 5000ER Generator. While doing so I lost track of where a couple of wires went. I have a pretty good idea where they go but just not a 100% and would hate to burn up a perfectly good generator. Could you supply my with a Diagram of where the wires go?
    The generator is a Coleman model#PM0525202.02