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FOREWORD
The Porter-Cable Model 3812 is a 10" Bench Top Table Saw. The saw comes with a 26"x20" table surface with a rip
fence extension wing which provides a 24½" rip capacity for ripping 4x8 sheets. The Model 3812 comes with a Riptide™
24 tooth carbide-tipped blade, miter gauge, rip fence, quick release blade guard, and blade changing wrenches.
Use proper extension cords. Make sure your extension
cord is in good condition. When using an extension
cord, be sure to use one heavy enough to carry the
current of the machine. An undersized cord will cause a
drop in line voltage, resulting in loss of power and
overheating. Fig. D, shows the correct gauge to use
depending on the cord length. If in doubt, use the next
heavier gauge. The smaller the gauge number, the
heavier the cord.
Fig. D
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere Total Length Gauge of
Rating Volts of Cord in Feet Extension Cord
0-6 120
up to
25 18 AWG
0-6 120 25-50 16 AWG
0-6 120 50-100 16 AWG
0-6 120 100-150 14 AWG
6-10 120
up to
25 18 AWG
6-10 120 25-50 16 AWG
6-10 120 50-100 14 AWG
6-10 120 100-150 12 AWG
10-12 120
up to
25 16 AWG
10-12 120 25-50 16 AWG
10-12 120 50-100 14 AWG
10-12 120 100-150 12 AWG
12-16 120
up to
25 14 AWG
12-16 120 25-50 12 AWG
12-16 120 GREATER THAN 50 FEET NOT RECOMMENDED
A separate electrical circuit should be used for your machines. This circuit should not be less than #12 wire and should
be protected with a 20 Amp time lag fuse. If an extension cord is used, use only 3-wire extension cords which have 3-
prong grounding type plugs and matching receptacle which will accept the machine’s plug. Before connecting the
machine to the power line, make sure the switch (s) is in the “OFF” position and be sure that the electric current is of
the same characteristics as indicated on the machine. All line connections should make good contact. Running on low
voltage will damage the machine.
DO NOT EXPOSE THE MACHINE TO RAIN OR OPERATE THE MACHINE IN DAMP LOCATIONS.
POLARIZED PLUGS: To reduce the risk of electric shock, this equipment has a polarized plug (one blade is wider than
the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still
does not fit, contact a qualified electrician to install the proper outlet. Do not change the plug in any way.
MOTOR
Many Porter-Cable tools will operate on either D.C., or single phase 25 to 60 cycle A.C. current and voltage within plus
or minus 5 percent of that shown on the specification plate of the tool. Several models, however, are designed for A.C.
current only. Refer to the specification plate on your tool for proper voltage and current rating.
Do not operate your tool on a current where the voltage is not within correct limits. Do not operate tools
rated A.C. on a D.C. current. To do so may seriously damage the tool.
REPLACEMENT PARTS
When servicing, use only identical replacement parts.
POWER CONNECTIONS
EXTENSION CORDS
FUNCTIONAL DESCRIPTION
UNPACKING AND CLEANING
Carefully unpack the machine and all loose items from the shipping container. Remove the protective coating from all
unpainted surfaces. This coating may be removed with a soft cloth moistened with kerosene (do not use acetone, gasoline
or lacquer thinner for this purpose). After cleaning, cover the unpainted surfaces with a good quality household floor paste
wax.
NOTICE: THE MANUAL COVER PHOTO ILLUSTRATES THE CURRENT
PRODUCTION MODEL. ALL OTHER ILLUSTRATIONS ARE REPRESENTATIVE
ONLY AND MAY NOT DEPICT THE ACTUAL COLOR, LABELING OR
ACCESSORIES AND MAY BE INTENDED TO ILLUSTRATE TECHNIQUE ONLY.