Graco ULTIMATE Mx 1595 Owner's Manual page 7

Grounding
WARNING
Improper installation or alteration of the grounding
plug will result in a risk of electric shock, fire or
explosion that could cause serious injury or death.
1. All models require a 120 VAC, 60 Hz, 15A circuit
with a grounding receptacle. See Fig. 3.
Setup
Grounding Prong
Fig. 3
2. Do not alter ground prong or use adapter.
3. A 12 AWG, 3 wires with grounding prong, 300 ft
(90 m) extension cord may be used. Long lengths
reduce sprayer performance.
Grounded
Outlets