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ELECTRICAL INSPECTION, DIAGNOSIS, REPAIR
AFCIs ARC FAULT CIRCUIT INTERRUPTERS
ALUMINUM WIRING HAZARDS & REPAIRS
AMPS VOLTS DETERMINATION
AMPERAGE MEASUREMENT METHODS
APPLIANCE EFFICIENCY RATINGS
BACKUP ELECTRICAL GENERATORS
BACK-WIRED ELECTRICAL DEVICES
BOOKSTORE - ELECTRICAL
CIRCUIT BREAKER SIZE for A/C or HEAT PUMP
DEFINITIONS of ELECTRICAL TERMS
DIRECTORY OF ELECTRICIANS
ELECTRIC METERS & METER BASES
ELECTRIC MOTOR DIAGNOSTIC GUIDE
ELECTRIC PANEL INSPECTION
ELECTRICAL GROUND SYSTEM INSPECTION
ELECTRICAL SERVICE DROP
ELECTRICAL SERVICE ENTRY WIRING
ELECTRICAL SPLICES, HOW TO MAKE
ELECTRICAL WIRING COLOR CODES
FIRE SAFETY Checklist, CPSC
GFCI PROTECTION,Testing GFCIs AFCIs
HEAT TAPE USAGE GUIDE
KNOB & TUBE WIRING
LIGHTING, EXTERIOR GUIDE
LIGHTING, INTERIOR GUIDE
LIGHTNING PROTECTION SYSTEMS
LOW VOLTAGE BUILDING WIRING
MAIN ELECTRICAL DISCONNECT
PHOTOVOLTAIC POWER SYSTEMS
RUST in ELECTRICAL PANELS
SAFETY for ELECTRICAL INSPECTORS
SE CABLE SIZES vs AMPS
VOLTS / AMPS MEASUREMENT EQUIP
VOLTAGE MEASUREMENT METHODS
Electric motor motor noise diagnosis: this article describes the causes, diagnosis, cure & prevention of noises traced to the electric motor component of an oil burner, air conditioner, or other electric-motor driven equipment. The sketch of an oil burner shown above is provided courtesy of Carson Dunlop Associates.
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How to Troubleshoot & Repair a Noisy Electric Motor (e.g. on an oil burner & some other HVAC equipment)
Other Noises at HVAC Equipment
Watch out: some noises at HVAC equipment could be a sign of dangerous operation. For example, rumbling, stumbling noisy oil burners, especially accompanied by smoke, or oil smells, could be a sign of pending PUFFBACKS, OIL BURNER.
Squealing motors may be traced to failed bearings, overheating, and on occasion the risk of an electrical fire.
Continue reading at ELECTRIC MOTOR OFF on RESET or select a topic from the More Reading links shown below.
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