IMPORTANT SAFETY INSTRUCTIONS
• SAVE THESE INSTRUCTIONS – This manual contains important instructions for WEN
4050 generator that should be followed during installation and maintenance of the
generator.
• Generators vibrate in normal use. During and after the use of the generator, inspect the
generator as well as extension and power supply cords connected to it for damage resulting
from vibration. Have damaged items repaired or replaced as necessary. Do not use plugs or
cords that show signs of damage such as broken or cracked insulation or damaged blades.
• For power outages, permanently installed stationary generators are better suited for
providing backup power to the home. Even a properly connected portable generator can
become overloaded. This may result in overheating or stressing the generator components,
possibly leading to a generator failure.
• WARNING: When this generator is used to supply a building wiring system:
Generator must be installed by a qualified electrician and connected to a transfer switch as
a separately derived system in accordance with the National Electrical Code, NFPA 70.
The generator shall be connected to a transfer switch that switches all conductors other than
the equipment grounding conductor. The frame of the generator shall be connected to an
approved grounding electrode.
In addition to the previous safety notices, please become familiar with the safety and hazard
markings on the generator.
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