Panasonic PT-DZ12000U Operating Instructions Manual page 146

A. AC Powerline
This section applies to those portable or temporary AC
powerline operated vacuum pumps. Permanently installed
systems must conform to building codes.
Use the following table and equations as guidance in
determining electrical wiring requirements for your system.
AWG gauge
2
4
6
8
10
12
14
16
Determine what size of electric motor you need for your
vacuum system. You can refer to the vacuum pump
manufacturers data sheets after you determine your vacuum
and air flow rate requirements to determine the power
requirements.
If the manufacturer states the electric motor rating in
horsepower convert that to watts by multiplying # Horsepower
by 746 watts per horsepower to calculate the watts required.
Example: A 5 horsepower pump needs 5 x 746 = 3,730 watts
of electric power. If you use single phase 120 VAC power
use this equation to determine your motor's running current.
Amps = Watts / Volts
Amps = 3730 / 120
Ohms per 100 feet of wire
0.016
0.025
0.040
0.063
0.1
0.16
0.25
0.4
= 31 amps
Maximum Amps
94
60
37
24
15
9.3
5.9
3.7