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Power Generators 101

Looking for a generator to provide electricity during a power outage after a storm? Need a portable generator to power your devices while you are out camping in your RV? Or do you need dependable electric power at a remote cabin that is off the grid? Here are some basic facts on common uses for power generators, how much power you will require and other information to help you find the best generator for your needs. Northern Tool + Equipment has you covered!

Man using NorthStar portable generator at jobsite

Portable Generators for Emergency Power

  • Back-up power during unexpected outages
  • Electricity source for remote construction sites

The most affordable way to supply electricity during a power outage is to use a portable generator of the suitable wattage for your needs (at least 4000 Watts for starters) and run extension cords into the house to power specific appliances. A safer system is to have an electrician install a power transfer switch, connected to the house's main electrical panel.

Just fire up the generator, run a single extension cord into the transfer switch and power the circuits you need through the main circuit breaker. Portable generators can be put to work on construction sites that have no electrical service, providing clean, reliable power to operate circular saws, drills, nail guns, air compressors and air tools, heaters, paint sprayers and other AC-powered tools.

Most are gasoline-powered, a few operate on diesel and some models have multi-fuel capabilities, running on gasoline, propane or natural gas. These are typically full-featured machines with engine idle control, GFCI receptacles and a 120 Volt full-power switch.


Two powerhorse inverter generators powering an RV

Inverter Generators for Fine Electronics and Recreational Use

  • Great for powering small electrical devices while camping
  • Low total harmonic distortion to safely run laptops and TVs

The inverter generator is a small, lightweight machine that’s ideal for tailgating, camping and putting in RVs. This super-quiet lightweight portable generator produces electric power with very low levels of total harmonic distortion for safely operating sensitive electronics like laptop computers, televisions and other audio/video devices.

Many models allow you to parallel connect two identical inverter generators to double the power output. These small portable gasoline-powered electric generators can provide power for TVs, small kitchen appliances, hair dryers, power tools, lights and other comforts of civilization when you are out roughing it in the woods. If you want a quiet, small generator, this is an excellent option.


Generac Home Standby Generator next to a home lit up from inside

Home Standby Systems for Restoring Power to Your House

  • Home back-up power that automatically turns on during a power failure
  • Choice of whole-house or selected circuits

Give yourself some peace of mind when the power goes out, whether you are home or away. An emergency home standby generator system can automatically restore power to your house in about 20 seconds. When the power goes out, the generator automatically starts and continues to run until power is restored. You can choose a generator that delivers enough power for the entire house (including air conditioning) or go with a smaller unit and power a few selected circuits, like the refrigerator, sump pump, furnace fan and several lights for basic survival.

These all-weather generators are installed outside the home and are wired through an automatic transfer switch to the main electrical panel. Many home standby systems include a transfer switch; others require that a switch be purchased separately. The use of an automatic transfer switch is required when generators are connected to home wiring. Home standby systems can be fueled by natural gas, LP gas or diesel fuel. Many models can be connected to the home's natural gas line, eliminating the need to fill fuel tanks. Standby system capacities range from 6000 Watts up to 40,000 Watts and more, and start automatically-even if you are not home.


Cummins Home Standby Generator

Commercial Standby Generators for Continuous Power for Your Business

  • Seamless, uninterrupted back-up power for commercial operations
  • Perfect solution when going without electric power is not an option

If you have a business that simply can't be without power, you will need an industrial generator. These are typically stationary, heavy-duty units that generate single (120 Volt) or three-phase (120, 240 or 480 Volt) power. These massive systems are powered by water-cooled diesel engines, with some models generating up to 200kW (200,000 Watts) of power. With the use of an automatic transfer switch, these generators can serve as back-up power for large commercial or industrial operations, such as nursing homes, refrigeration operations, farms, large buildings and other businesses that can't go without power due to an outage.


Man using a PTO generator attached to a tractor to weld in a field

PTO and Belt Drive Generators for Farm and Jobsite Power

  • Electrical power on demand for construction and ag applications
  • Powered by your tractor or construction equipment’s engine

You can create electric power on demand, wherever you want, by attaching a NorthStar® PTO generator to the PTO (power take off) on your tractor or construction equipment. Belt-driven generator heads work with your existing gas or diesel engines. These generators are less expensive because the engine is not included.


Northern Tool + Equipment offers an extensive assortment of inverter generators, portable generators, home standby systems, commercial generators, PTO generators and generator heads to fit your power requirements. We also carry generator accessories, generator covers, cords and generator transfer switches for any emergency power needs.

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