Electrical Requirements WARNING GROUNDING INSTRUCTIONS ■ Electrical Shock Hazard Plug into a grounded 3 prong outlet. Do not remove ground prong. Do not use an adapter. Do not use an extension cord. Failure to follow these instructions can result in death, fire, or electrical shock. Observe all governing codes and ordinances. Required: A 120 volt, 60 Hz, AC only, 15- or 20-amp electrical supply with a fuse or circuit breaker. Recommended: ■ A time-delay fuse or time-delay circuit breaker.