Chapter 2
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UM10372_PCNC440_Manual_0221A
SiTE PlANNiNg ANd PREP
NOTE: Allocate addional space to allow access to rear of mill for maintenance or repairs.
2.2 Electrical Requirements
WARNING! Electrical Shock Hazard: Electrical connecons must be performed by a cered
electrician. Failure to do so may result in death and/or serious injury.
Primary Recommended Circuit Amperage
115 VAC, 50/60 Hz 15 A
2.2.1 Grounding
All power inputs to the PCNC 440 must be properly grounded. Check connuity between bare metal
on mill frame and true earth ground (water pipe or similar) to ensure proper grounding.
2.2.2 Plug Pattern
The PCNC 440 is shipped with a 3-prong plug. This plug is designed to be used with a 3-prong outlet.
2.2.3 Ground Fault Interrupter (GFI) Use
Primary power for the PCNC 440 should not be protected by a ground fault interrupter (GFI), as this
interferes with the proper operaon of the PCNC mill’s spindle controller.