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	Seco-Larm Low Voltage Battery Cut-Off 12/24V Adjustable Restore Point Master On/Off Switch List Price: $36.64 Sale Price: $23.55 You save: $13.09 (36%)
	Description The Enforcer Low-Voltage Battery Cut-Off prevents deep discharge of backup batteries. Use it to save power for a backup battery on your security system. If there is a power failure this device will ensure that your backup battery remains powered and you

	AMERICAN POWER CONVERSION Power-Saving Performance Surgearrest Surge Protector 11 Outlets 3400 J List Price: $106.08 Sale Price: $66.28 You save: $39.80 (38%)
	Description Building wiring fault LED indicator informs users of potentially dangerous wiring problems in a wall circuit. Overload indicator illuminates when connected equipment load exceeds unit capacity. Cord rotates 180 degrees to relieve strain and ease placement...

AMERICAN POWER CONVERSION Power-Saving Home/Office Surgearrest Protector 8 Outlets 2030 J List Price: $81.33 Sale Price: $53.15 You save: $28.18 (35%)

Description Building wiring fault LED indicator informs users of potentially dangerous wiring problems in a wall circuit. Overload indicator illuminates when connected equipment load exceeds unit capacity. Global Product Type Surge Protectors; Lines [Nom] 1; Joules Of Surge Protection [Nom] 2030 J; Multimedia Protection Tel/Modem; Number of Outlets [Nom] 8; Color(s) White; Protection Type Fax, Modem, Phone, Power; Jacks RJ11; Noise Protection Up to 58 dB EMI/RFI Noise Filtration; Diagnostics/Alarm/Status Light LED; Response Time [Nom] 1 ns; Housing Material Plastic; Compliance, Standards RoHS Compliant, UL Listed.

	AMERICAN POWER CONVERSION Power-Saving Essential Surgearrest Surge Protector 7 Outlets 1020 J List Price: $73.08
	Description Global Product Type Surge Protectors; Joules Of Surge Protection [Nom] 1020 J; Number of Outlets [Nom] 7; Color(s) White; Protection Type Power; Diagnostics/Alarm/Status Light LED; Response Time [Nom] 1 ns; Housing Material Plastic; Compliance, Standards RoHS Compliant, UL Listed.

BATTERY CUTOFF SWITCH CAR RV BOAT RACECAR ATV CUT OFF List Price: $17.70 Sale Price: $4.95 You save: $12.75 (72%)

Description BATTERY CUTOFF SWITCH * CUTOFF SWITCHES PREVENT AUTO THEFT! * PREVENTS BATTERY DRAIN WHEN VEHICLE IS NOT USED/IN STORAGE * BRASS TERMINALS * 100 AMP CAPACITY @12 VOLTS * 50 AMP CAPACITY @24 VOLTS * CUTOFF SWITCHES ARE A REQUIRED SAFETY FEATURE IN MOST RACING ORGANIZATIONS & RACE TRACKS * EASY TO INSTALL & SIMPLE TO USE These switches work great for Boats, Motor homes, Cars, Jet skis, Motorcycles, Farm Equipment, Airplanes, Generators, Trucks, Race Cars, and more...

	Side Post Battery Master Disconnect Switch Sale Price: $10.95
	Description Our patented Side Post Battery Disconnect switch is designed to be used with General Motors style batteries with the connections on the side. A simple twist of a knob provides a convenient way to quickly disconnect and reconnect power from an automotive battery...

HQRP Solar Power Controller 10Amp 150W with Digital LED Display plus HQRP UV Chain / UV Radiation Health Tester Sale Price: $29.91

Description Regulations point: 14.4 Volts; Low voltage Disconnect: 11.1V Volts; Low voltage Reconnect: 13.1 Volts; Microcontroller digital accuracy; Type of Charging: Series PWM & stat of charge(SOC); 4 Stages: equalization, PWM, Boost and Float, temperature compensated charging; Electronic protections: Short circuit and over current-solar and load; Reverse current at night; Limits high voltage to protect loads; Lighting protection; Tropicalization Conformal coated printed circuit board; Terminals For wire sizes to 6mm2; Self-consumption: 6mA maximum...

	Guest 2110A Universal Mount Marine Battery Selector Switch with Alternator Field Disconnect (230 Continuous, 345 Momentary Amps) List Price: $54.57 Sale Price: $29.50 You save: $25.07 (46%)
	Description Black Battery Selector Switch with AFDPart No. 2110ADescriptionContinuous Amps: 230Momentary Amps: 345Dimensions: 5"D x 2-3/4"HProduct FeaturesAlternator field disconnect (AFD) allows selection of any positions, including "off" without damage to alternator or electrical system...

	BATTERY DISCONNECT CUT-OFF KILL SWITCH 12 VOLT W/ KEY Sale Price: $6.99

	BEP Marine 701 Battery Disconnect Switch List Price: $27.45 Sale Price: $21.78 You save: $5.67 (21%)
	Description BEP Marine 701 Battery Disconnect Switch. Features a control knob that can't be removed while in the on / off position. Though it can be removed by switching to a counter-clockwise 45 degree position. Also features removable side plates on 4 sides for access of I/O cables plus a rear cover insulating the rear terminals against any short circuits...

Electrical things not working? You can test hundreds of electrical things in your home from appliances to batteries. It's really quite easy.

Electrical devices convert electricity into another form of energy. Included are large and small appliances, computers, telephones, lighting, and lots more. Electrical things convert electrical energy into movement, heat, cold, light, sound, images, and many other useful services.

All you need to test electrical household things is a low-cost continuity tester or a multimeter available at hardware stores. You can buy a continuity tester for less than $5.00. A multimeter (under $20) measures the amount of power (voltage) being applied, electricity (current) being used, and how much resistance it needs to overcome to do the job. Power is measured in volts (V), current is counted in amperes or amps (A), and resistance is calculated in ohms (O).

There's one more electrical term you've probably heard. Defining it will come in handy as you fix electrical devices. A watt is the amount of power consumed by an electrical device when it is running. A 750-watt toaster, for example, uses 750W (watts) of power when toasting your wheat, rye, sourdough, or other bread in the morning.

Continuity Tester

Electricity needs a continuous path or circuit in order to flow. It's like a two-lane road from point A to point B and back. If one or both lanes are blocked, traffic--in this case, electricity--stops. A continuity tester is useful for checking cords and wires to make sure they can conduct electricity.

To use a continuity tester, follow these steps:

1. Disconnect the cord from the power source (electrical receptacle).

2. Make sure any switches on the device are on.

3. Place the continuity tester's clip on one prong of the cord.

4. Touch the tip of the continuity tester to the other prong. If there is continuity, the tester will light up. If not, it won't.

Here's what happens: The continuity tester sends electricity from an internal battery through one cord prong and down the wires. If the light gets electrical current from the other prong it lights up, meaning that the path is good. Otherwise, something is stopping it. Remove the cord from the appliance and test each of the two wires separately to see which one doesn't work. If both work, the short is in the appliance itself.

Multimeter

A multimeter (also called a volt-ohmmeter or VOM) is another way of testing continuity. Use it to measure the amount of alternating current (AC or household current) or direct current (DC or battery current) in a plugged-in or live circuit. It can check voltage, too. For example, a multimeter can verify that there are about 120 volts in an AC circuit or that a 9-volt battery is fully charged. In addition, a multimeter can check resistance. A continuity tester checks resistance, but answers yes or no. A multimeter checks resistance and reports how many ohms (the measurement of resistance) a circuit carries.

You can use a multimeter to test motors, switches, controllers, and many other electrical gadgets. Refer to the multimeter's instruction sheet for specifics.

Here's how to use a multimeter to test an electric appliance:

1. Disconnect the cord from the power source, except when testing a live circuit.

2. Plug the test leads in to the multimeter.

3. Select the function (ACV, DVC, resistance) and the range (maximum reading expected).

4. Connect the probes to the cord or appliance component.

5. Interpret the reading. Refer to the product manual for tips on what may be wrong and what you can do about it. In addition, there are numerous resources online.

Don't let a simple electrical problem keep you from using the power of electricity. A couple of simple electrical tests can help you in fixing household things that break -- instead of tossing them.

Dan Ramsey is president of FixItClub.com, offering simple instructions and tips on troubleshooting and repairing or recycling household things that break.