Cooper 274W Combination Device. Can the device be wired so that the sitch controls the recepticle?

Open following link for specific wiring illustration and tips.
http://waterheatertimer.org/How-to-wire-Cooper-277-pilot-light-switch.html#combo

Single pole switch has 2 wires: These wires are Hot wire from breaker, and wire going to Load (light).

Combo device needs additional neutral wire.
Without a neutral wire, the combo outlet will not work.
Neutral wire connects to silver-colored screw. Neutral wires are the white wires that are twisted together and covered with wire nut and pushed to back of electric box.

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Bit more information is needed.
Wire color is not as important as knowing what wire is for.
Knowing Hot black hot wire is good step.
Next, see if box has neutral wires. Neutrals are usually white wires that are twisted together and covered with wire nut. Test black hot to each white wire to find neutral.
If box does not have neutrals, then this device cannot be wired to code.
Other black wire probably goes to light.

Open following link for illustration of wiring:
http://waterheatertimer.org/How-to-wire-combination-switch-outlet.html

Wiring is suspect.
Black hot wire connects to dark screws.
Break off tab should be intact.
White neutral wire connects to silver screw.
Wire going to switch load connects to brass screw.

There is more then likely a broken wire somewheres, its probably in behind a switch/plug/light somewheres... your best bet is to call an electrician and they should be able find the problem with ease.

Ok you have GFCI combination switch-plug.

Wires coming out of back of device are connected to "Load" wires.
Load are the black and white wires that go to fan, light, motor.

The black and white wires coming from circuit breaker connect to terminals marked "Line"
Look at back of device for markings.
Black wire from breaker goes to brass screw, white wire goes to silver screw.

There is one more set of screws on device. Device usually arrives with tape over these two screws.
This is what those screws are for: If you are working in a junction box, then three cables enter box.
One cable is for Line wires from breaker box.
Second cable goes to Load (light-fan-motor) that is controlled by switch.
Third cable goes forward to another switch or outlet >> and those wires connect to last set of screws on combo device. Black to brass and white to silver.

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1) A wiring diagram can be mistaken because wire colors vary.
That's why electricians don't guess, they test.

2) Look at device to be replaced and note what color screw each wire goes to before disconnecting wires.
If old device is single pole switch, then there are 2 brass screws, and one of these screws is connected to Hot wire, and the other screw is connected to Load wire (light, fan, motor, pump)

3) Separate wires inside box for testing.
Do not untwist any wires.
Tape tester leads to wood sticks to keep hands away from power.
Turn power ON.
Test each wire to bare ground wire.
Tester lights up on Hot. Hot wire connects to dark-colored screw on combo device.

4) Hot is identified.
Test Hot to all other wires, except bare ground wire.
Tester lights up on Neutral wire. In a single-pole switch box Neutral wires are usually twisted together and covered with wire nut. Neutral wire connects to silver screw on new device.

5) Load wire that goes to light,fan, motor, pump connects to brass screw on new combo device.

6) If you do not have a Neutral wire in your switch box, then outlet will not work.
You can connect bare ground wire to silver screw and have outlet work, but this is not code, and definitely not recommended for a child's room or any room near water pipes or faucets or metal pipes of any kind. You need to add a Neutral wire and/or install GFCI protected device for any bathroom area.

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Question is not clear.
What kind of device is the combo device replacing?
Are you replacing outlet with new combo device?
Why does the combo device already have 2 black wires?

Here's what we need to know to answer your question correctly without guessing.
Add a comment and say what kind of device is being replaced with combo device.
Say exactly what wires are on old device and what color screw wire is connected to.

Say what the outlet is doing.
Say what color screws that each wire is connected to on outlet.

Screw color is key to understanding where you are.
Each wire that you have now connects to a certain screw color, and we need to know that information to give you professional answer.

1) In this situation we need to test the wires.
Electricians don't guess, they test, and a diagram would be guessing which wire color does what.

2) FYI: non-GFCI receptacle located in bathroom is not code, and device will have to be replaced when property is sold. The reason for GFCI is the likelihood of you holding defective electrical gizmo from China in one hand while putting other hand in running water. Or electrical gizmo falling into bathtub occupied by wife with large life insurance policy.
If you have kids using that bathroom, I want you to avoid using non-GFCI device.

3) Your new device has color-coded screws: Dark, brass, and silver.
These colors tell electrician how to wire the device.

4) Let's test to see which wire connects to which screw:
Separate wires.
Use ordinary 2-wire tester from hardware store.
Tape tester leads to wood sticks so hands are away from power.
Turn power ON.
Test each wire to bare ground wire.
Tester lights up on Hot wire. Hot wire connects to dark-colored screw on device.
Hot wire is identified.
Test Hot wire to all other wires in box, except bare ground wire.
Tester lights up on Neutral wire. Neutral wire connects to silver screw, and will complete circuit to receptacle.
If box does not have a Neutral wire, the circuit to receptacle can be completed using ground wire on silver screw, but I am not recommending that.
Last wire goes to Load (light, fan, motor). Load wire connects to brass screw, and will complete circuit to Load.

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Leviton and Lutron both make GFCI switch-outlet combo.
Buy at Home Center or on-line
Leviton 7299
http://www.amazon.com/Leviton-7299-NI-15-Amp-125-Volt-Combination/dp/B000UJADW6

Switch-plug combo:
bare ground goes to green screw
dark screw goes to hot from breaker
silver screw to neutral
brass screw goes to load (light)

Add a comment any time
You are replacing single pole light switch?
Single pole switch has 3 wires: black and red and bare copper

New device has 4 different colored screws: green, dark, brass, silver
Bare copper goes to green screw.
Black wire goes to dark screw
Red wire to brass screw
Nothing on silver screw for a moment. Test circuit and make sure light turns on-off.
If lights works, then good so far.

Now let look at silver screw. Neutral wire has to connect to silver screw.
In back of your electrical box are white wires twisted together and covered with wire nut.
These are neutral wires.
You must connect another short piece of insulated wire to these neutral wires and run that wire to silver screw.
The neutral wire will complete circuit to receptacle.
If you do not have neutral wire, then receptacle will not work in that box without additional wiring.

Hook up neutral wire to silver screw.
Now turn on power and click switch again.
If circuit breaker trips, then reverse your red and black wires.
Otherwise this should be correct wiring.

Black to gold, wht to silver grnd to green