Cord Size for an Electric Log Splitter
Scott in Washington asks: What size extension cord should I use for an electric log splitter?
Electric Log Splitter Cord
Electrical Question: What size extension cord should I use for an electric log splitter?
I got a new 7 ton electric log splitter. I need to know what kind of extension cord to get to use about 25 feet from the nearest outlet. Pictures of nameplates attached. Thanks!
This electrical wiring question came from Scott, a Handyman in Olympia, Washington.
Additional Comments: Keep up the good work!
Thanks for your electrical wiring question Scott.
Wire Size for a New 7 Ton Electric Log Splitter
Application: Cord for a Log Splitter.
Skill Level: Intermediate to Advanced – Best performed by a Licensed Electrical Contractor, or Certified Electrician.
Electrical Tools Required: Basic Electricians Pouch Hand Tools, Voltage Tester, and appropriate Safety Gear.
Estimated Time: Depends on the personal level experience, ability to work with tools, install electrical circuit wiring, and the available access to the project area.
Electrical Safety: Identify the electrical power source to the 120 Volt Motor, turn it OFF and Tag with a Note before working with the electrical wiring.
Electrical Wiring Parts and Materials: Electrical parts and materials for the 120 Volt Motor should be approved for the specific project and compliant with local and national electrical codes.
Electrical Codes and Inspections: Installing or changing home electrical wiring should be done according to local and national electrical codes as adopted in Olympia, Washington. A permit and inspections may also be required.
See more about Home Wiring for Washington
Log Splitter with a 120 Volt Motor
This electrical wiring project is about a cord for an electric log splitter with a 120 Volt Motor.
Electric Log Splitter with a 120 Volt Motor
Reviewing the Electrical Question:
- I got a new 7 ton electric log splitter. I need to know what kind of extension cord to get to use about 25 feet from nearest outlet.
- Scott, from the information you have provided, you should use an extension cord that is a minimum of #12 copper stranded wire, such as a 12-3 cord. The amperage the log splitter draws is right at 20 amps which is the amperage rating for a #12 wire.
- It is also very important that the circuit you are plugging into is a 20 amp circuit as well, and not a 15 amp circuit.
- Make sure to check to see if the motor is getting hot. Hopefully the motor is thermally protected so that it will shut itself off if it gets too hot, otherwise overheating can damage the motor.
- I typically check the voltage of the circuit for a motor such as this, and if I see the voltage drop lower than the normal amount (110-115volts) or the required voltage specified then I will see the amperage increase, which will cause the motor to over heat. And tells me that the wire size within the circuit supplying the power is too small and needs to be increased.
I have a large air compressor that is 110volts but high on the amperage, so I installed a dedicated circuit of #10 wire (10-3 Type NM) up to the unit and used the cord and plug that came with the unit just to be on the safe side.
More about Electrical Code General Question a 120 Volt Motor
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