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-18-
For Machines Mfg. Since 5/11
13" Heavy 13
®
Gearhead Lathe
PREPARATION
Extension CordsGrounding Requirements
Improper connection of the equipment-grounding
wire can result in a risk of electric shock. The
wire with green insulation (with or without
yellow stripes) is the equipment-grounding
wire. If repair or replacement of the power cord
is necessary, do not connect the equipment-
grounding wire to a live (current carrying)
terminal.
Check with an electrician or qualified service
personnel if you do not understand these
grounding requirements, or if you are in doubt
about whether the machine is properly grounded.
If you ever notice that a cord is damaged or
worn, disconnect it from power, and immediately
replace it with a new one.
The power cord and plug specified under Circuit
Requirements section on the previous page has
an equipment-grounding wire and a grounding
prong. The plug must only be inserted into a
matching receptacle (outlet) that is properly
installed and grounded in accordance with all
local codes and ordinances (see Figure 9).
Figure 9. Typical NEMA L6-30 plug and receptacle.
Grounding Prong
is Hooked
Current Carrying Prongs
GROUNDED
L6-30 LOCKING
RECEPTACLE
L6-30
LOCKING
PLUG
We do not recommend using an extension cord
with this machine. If you must use an extension
cord, only use it if absolutely necessary and only
on a temporary basis.
Extension cords cause voltage drop, which may
damage electrical components and shorten motor
life. Voltage drop increases as the extension cord
size gets longer and the gauge size get smaller
(higher gauge numbers indicate smaller sizes).
Any extension cord used with this machine
must contain a ground wire, match the required
plug and receptacle, and meet the following
requirements:
Minimum Gauge Size ............................... 12 AWG
Maximum Length (Shorter is Better) ........... 50 ft.
This machine must be grounded! In the event
of certain types of malfunctions or breakdowns,
grounding provides a path of least resistance
for electric current in order to reduce the risk of
electric shock.