Don’t Overload Generator

 

 

 

 

Wattage Reference Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Capacity

 

 

 

 

 

 

Running*

Additional

You must make sure your generator can supply enough

 

 

Tool or Appliance

(Rated)

Starting

 

 

 

Watts

(Surge)

rated (running) and surge (starting) watts for the items you

 

 

 

 

 

Watts

will power at the same time. Follow these simple steps:

 

 

 

 

 

 

 

 

 

 

 

Essentials

 

 

1. Select the items you will power at the same time.

 

 

 

 

 

 

 

 

 

 

 

Light Bulb - 75 watt

75

2. Total the rated (running) watts of these items. This is

 

 

 

 

 

 

Furnace Fan Blower - 1/2 HP

800

2350

 

the amount of power your generator must produce to

 

 

 

Sump Pump - 1/3 HP

800

1300

 

keep your items running. See the table on the right.

 

 

3. Estimate how many surge (starting) watts you will need.

 

Refrigerator/Freezer

700

2200

 

 

 

 

 

Surge wattage is the short burst of power needed to

 

 

Water Well Pump - 1/2 HP

1000

2100

 

start electric motor-driven tools or appliances such as a

 

Heating/Cooling

 

 

 

circular saw or refrigerator. Because not all motors start

 

 

 

 

 

 

Window AC - 10,000 BTU

1200

3600

 

at the same time, total surge watts can be estimated by

 

 

 

 

 

 

 

 

Humidifier - 13 Gal

175

 

adding only the item(s) with the highest additional surge

 

 

 

Central AC - 24,000 BTU

3800

11400

 

watts to the total rated watts from step 2.

 

 

Example:

 

 

 

 

 

Kitchen

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Microwave Oven - 1000 Watt

1000

 

 

 

 

 

 

 

 

loads as follows:

 

Running (Rated)

 

Additional Starting

 

Coffee Maker

1000

 

 

 

Reproduction

 

 

 

 

 

 

 

 

for

 

 

Tool or Appliance

 

Watts

 

(Surge) Watts

 

Elect ic Stove - 8” Eleme t

2100

Water Well Pump

 

1200

 

2100

 

 

Toaster

850

Refrigerator

 

700

 

2200

 

 

Family Room

 

 

Furnace Fan

 

800

 

2350

 

 

DVD/CD Player

100

Television

 

500

 

 

 

VCR

100

Light (75 Watts)

 

75

 

 

 

Stereo Re eiver

450

 

 

 

3275 Total

 

2350 Highest

 

Color Television - 27 in

500

 

 

 

Running Watts

 

Starting Watts

 

Personal Computer w/17 in

800

Total Rated (Running) Watts

= 3275

 

 

monitor

 

 

Highest Additional Surge Watts

= 2350

 

 

Other

 

 

Total Generator Output Required

= 5625

 

 

 

 

 

 

 

Security System

500

 

 

 

 

 

Not

 

Power Management

 

 

 

 

 

AM/FM Clock Radio

100

To prolong the life of your generator and attach d d vic s, it

 

Garage Door Opener - 1/2 HP

875

2350

 

 

 

 

is important to take care when adding electrical loads to your

 

Electric Water Heater

4700

11700

generator. There should be nothing connect d to the

 

 

DIY/Job Site

 

 

generator outlets before starting its engine. The correct and

 

 

 

 

 

Quartz Halogen Work Light

1000

safe way to manage generator power is to sequentially add

 

 

 

 

 

 

Airless Sprayer - 1/3 HP

600

1200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. With nothing connected to the generator, start the

 

 

Reciprocating Saw

960

 

 

Electric Drill - 1/2 HP, 5.4 Amps

600

900

 

engine as described in this manual.

 

 

 

 

 

 

 

 

2. Plug in and turn on the first load, preferably the largest

 

Circular Saw - 7-1/4 in

1400

2300

 

 

 

 

 

load you have.

 

 

 

 

 

Miter Saw - 10 in

1800

1800

3.

Permit the generator output to stabilize (engine runs

 

Table Planer - 6 in

1800

1800

 

smoothly and attached device operates properly).

 

 

Table Saw/Radial Arm Saw - 10 in

2000

2000

 

 

 

 

 

 

 

 

 

4.

Plug in and turn on the next load.

 

 

 

 

Air Compressor - 1 HP

1600

4500

5.

Again, permit the generator to stabilize.

 

 

NEVER add more loads than the generator capacity. Take

6.

Repeat steps 4 and 5 for each additional load.

 

 

special care to consider surge loads in generator capacity, as

 

 

 

 

 

 

 

 

described above.

 

 

* Wattages listed are approximate only. Check tool or appliance for actual wattage.

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