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Y2K prompted an increased interest in portable generators. Although it is possible to use a generator as a standby system to keep lights and appliances operating during a prolonged outage, they can pose serious safety hazards to you and others, so please follow all safety instructions provided by the manufacturer. Do not connect a generator to household wiring.
The only safe way to connect a generator to a household circuit is through a transfer switch. Opening a main breaker to isolate household wiring from the utility's wires is neither safe nor legal.
Connecting a generator directly to household wiring in an unauthorized manner can create a "backfeed". Which is electrical energy flowing from the house into GP&L's power lines. Backfeed is a severe hazard, endangering the lives of electrical lineworkers who may be working on power lines some distance from your home.
A double-pole double through transfer switch is the recommended device to keep your generator
from backfeeding into the electric system. The switch also keeps GP&L's power from
re-energizing your house wiring while your generator is running, protecting your generator,
wiring and appliances from damage when your service is restored. Only a qualified professional,
such as a licensed electrician, should be used to install a transfer switch.
The safest way to use a portable generator during periods of utility power outages is to connect the generator directly to the load(s) being served. Some customers wish to keep their refrigerator and a few lights running. An extension cord from the generator to the appliances being used is the most effective method for their operation. Make sure the cord is an adequate size and is equipped with a three blade-grounding plug.
The generator should be rated to produce the amount of power necessary for the appliances selected. First list all of the appliances that will be operating at the same time. Then determine the starting wattage requirements and the running wattage requirements. To calculate the size of generator you need add up the starting wattage. Overloading your generator can cause damage to both the generator and the appliances.
Place your generator where its exhaust will be well ventilated. A portable generator uses an internal combustion engine, which emits carbon monoxide. Be sure to locate the generator where exhaust fumes will not enter the house.
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