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Wire and Cable

Contractors need wires and cables for a wide range of applications, such as setting up electrical circuits or installing a thermostat or HVAC product. Project managers need everything from thermal wires for high temperature applications to power supply cords for computers. Electricians also need a supply of wires and cables to keep the electricity running effectively at their locations. From heavy duty metal clad cables for loading docks and large electrical equipment to simple spools of stranded wire for everyday building projects, Grainger has the wire and cable you need for your project.

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Wire and Cable Q&A

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Wire and Cable
(23 Questions : 29 Answers)

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i'd like to know the gage of wire approximately .040" in diameter including insulation
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2 years, 4 months ago
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Answer: 
Marko, I believe what you meant to ask was, "I would like to know the gauge of wire which is approximately .040" in diameter (including insulation). What is the AWG?"

If that is the case, then my best answer I can provide is as follows: The gauge for a center conductor wire approximately .040" in diameter would be 18AWG. It is not possible to determine the American Wire Guage (AWG) of a wire using only the Outside Diameter (O.D.) of the insulation. Depending on the material the insulation is made of, the thickness varies from manufacturer to manufacturer.

For instance, two different wires, both with the same O.D. could possibly be different AWGs. One wire could possibly be a 22AWG ( 0.032") with another 0.008" insulation, and the other wire could possibly be a 24AWG (0.02") with another 0.02" insulation. In both instances, the overall O.D. is 0.40", but are two different AWG.

There is not enough information provided to determine the AWG of a wire based soley upon the O.D. 0.40".

The source for the answers given by Grainger in Ask and Answer are based on the information provided with the question, which may not be complete or may not apply to other situations, and based on product literature and informational materials, the content of which is provided by Grainger’s product suppliers. Grainger disclaims liability for any information it provides in Ask and Answer which later may be alleged or determined by a court of law to be inaccurate or incorrect. The answers given by Grainger in Ask and Answer are not intended to replace or supplement any professional, engineering or other consultation services available to its product users. Always read, understand, and follow the product information and instructions provided by the manufacturer.
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Age: 35 to 44
2 years, 4 months ago
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Lincolnshire, IL, USA
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Answer: 
.043 is #18 gage
Age: 55 to 64
2 years ago
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can you tell me the difference in price for cable gauge 6 and 8
2 years, 4 months ago
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Montreal, QC, Canada
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Answer: 
number 8 wire carries 40 amps and 6 wire carries 60 amps
1 year, 7 months ago
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Answer: 
You can contact your local store at Acklands Grainger at 1-888-602-0000 for pricing information.
2 years, 3 months ago
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2 answers

wire size #5

I need to run a new wire from the meter to the house. It is supposed to be a #5?
Field of Industry:: Homeowner
Product used for:: New cable from meter to house
Years purchasing from Grainger:: 0 in the last five years
2 years, 2 months ago
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Answer: 
We apologize; we need more information about your project to get you into the proper wire. Please call us at 800-323-0620 so we can assist you in obtaining the wire that meets your project needs.

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Age: 35 to 44
2 years, 2 months ago
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Answer: 
No wire number 5 . Look up AWG . You need know
voltage and amperes. wire # 14,12,10,8,6,4,3,2,1,
1 year, 7 months ago
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I am in a camp site and we need to up grade our electrical service from 30 amp to 50 amp. Could you please recomend what wire I would need. I am guessing we need to run approximatly 250ft to the main service.

Thanks,
Jason
1 year, 10 months ago
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Answer: 
Grainger can certainly assist you in selecting the proper wire for you installation, however we need more information. Please call us at 800-323-0620 so we can discuss the voltage and type of wire you will be needing for this project.

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1 year, 10 months ago
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Answer: 
Number6
1 year, 7 months ago
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1 year, 8 months ago
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Answer: 
Unfortunately Grainger does not currently stock any aerial rated wire.

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1 year, 8 months ago
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Answer: 
ckeck you name plate on hot water heater . See what voltage
ampere and wattage . at 220 volts 40 amps number 8 wire
would be used. At 220 volts 60 amps a number 6 would be used.
Have a electrician look at heater.
1 year, 7 months ago
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Answer: 
According to voltage drop formula's, for a 120v load of 25a at 177', you will need 4 AWG wire to maintain proper voltage on your circuit.

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1 year, 8 months ago
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Answer: 
Run number 10 thnw
1 year, 7 months ago
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The fans draw approximately 15-20 amps each and are in a high moisture area. I want longevity so I don't end up re-wiring in a few years. The fans are used for ventillation and are subject to cleaning with water daily.
2 years, 3 months ago
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Answer: 
Unfortunately the nature of your question requires more information. Will you please contact us at 800-323-0620 so we can assist choosing the proper products.

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Gender: Male
Age: 35 to 44
2 years, 3 months ago
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Also, I'm told that the building code says it must be red
1 year, 11 months ago
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Answer: 
Red jacketed cable is specifically designated for fire alarm systems in business environments. Grainger does carry a range of cables that covers multiple guages and numbers of conductors, with and without a shield and plenum or non-plenum. Please call us at 800-323-0620 so we can assist you in selecting the proper cable for your installation.

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1 year, 10 months ago
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1 answer

110 wire 2 strand

I need a 1000 ft reel of std 120 volt wire
1 year, 9 months ago
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Answer: 
There is not enough information to properly and accurately identify a suggested item. Needed information would include : What is the AWG (American Wire Guage)? What do you mean "by 2-strand"? Do you intend to mean that you need a 2-Conductor Cable? What color do you need the insulation to be? What is the application? Will this wire (cable) be exposed to the outdoor elements? Or will it be run in electrical conduit?

Please contact us at 800-323-0620 with the additional information for us to assist you.

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I am about to install a Kenmore (Model #32956) 55 gal. Tall 9-Year Electric Water Heater - specifications:

Power and Performance:
First Hour Delivery (gal.): 62
Fuel Type: Electric
Kilowatt Hrs. per Year: 4721
Minimum Circuit Rating: 20 amps
Recovery at 90 Degree Rise (gph.): 25
Voltage: 220/240V
ENERGY STAR Compliant: No

General Features:
Altitude Rating (ft.): N/A
Control Type: Electromechanical
Heavy Duty Anode Rod: Yes
Number of Anode Rods: 1
Number of Heating Elements: 2
Power Cord Included: No
Tank Lining: Glass
Tank Style: Tall
Total Connected Load: 15.83/22.91
Unit Location: Indoor

Dimensions and Capacity:
Tank Capacity: 55 gal.
Tank Diameter (In.): 21.5
Tank Height (In.): 61
Tank Insulation Thickness: 2-1/2 in.

DualWatt lower element easily converts from 3800 watt to 5500 watt to accommodate different wiring

RotoSwirl self-cleaning cold-water inlet tube swirls water to prolong tank life and maintain energy efficiency by discouraging lime buildup

Super Lineguard elements and glass-lined steel electric water heater

I will purchase all the items, then get the unit professionally installed. Currently, I have a gas water heater; the circuit box is less than 90 feet away from the unit. Can you recommend the correct wiring for this water heater?

Thank you
1 year, 7 months ago
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Answer: 
According to your information, the unit requires a minimum of a 20a circuit, which will be 12 AWG wires minimum. However, there is a connection that you can make, changing the unit from 3800 watts to 5500 watts. The 5500 watt connection will require a 30 amp circuit and 10 awg wiring minimum.

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