When determining the proper size wire for an electric hoist,
several factors must be considered:

  • Voltage: The electrical system's voltage must be considered when selecting the proper wire size. Higher voltage systems require thicker wire to handle the increased electrical current.

  • Distance: The distance between the power source and the hoist should be considered when selecting the wire size. Longer distances require larger wires to reduce the voltage drop and ensure the hoist has enough power to operate properly.

  • Ambient temperature: The ambient temperature in the area where the hoist will be used should be considered. If the temperature is high, the wire must be rated for a higher temperature to avoid overheating and damage.

  • Code Compliance: The wire size must comply with the local and national electrical codes, safety standards, and regulations that govern the use of electric hoists.


    • Considering these factors, one can select the appropriate wire size for an electric hoist to ensure safe and reliable operation.

The charts below contain recommended minimum wire size (AWG) for different voltage, horsepower and cable length combinations. These charts are only a guide. Please consult the National Electric Code (NEC) and any applicable local standards for exact requirements.

Single Phase (115 Volt) - Wire Size Selection Guide*

HP Cable Length
Up to 30' 31' - 50' 51'- 75' 76' - 100' 101' - 150'
1/2 14 14 12 10 8
3/4 14 12 10 10 8
1 14 12 10 8 6
1-1/2 12 10 8 8 6
2 12 10 8 6 6
3 10 8 6 6 4

Single Phase (230 Volt) - Wire Size Selection Guide*

HP Cable Length
Up to 30' 31' - 50' 51' - 75' 76' - 100' 101' - 150'
1/2 14 14 14 14 14
3/4 14 14 14 14 14
1 14 14 14 14 12
1-1/2 14 14 14 14 12
2 14 14 14 12 12
3 14 14 12 12 10

 

Three Phase (208 Volt) - Wire Size Selection Guide*

HP Cable Length
Up to 30' 31' - 50' 51' - 75' 76' - 100' 101' - 150'
1/2 14 14 14 14 14
3/4 14 14 14 14 14
1 14 14 14 14 14
1-1/2 14 14 14 14 14
2 14 14 14 14 14
3 14 14 14 14 12
5 14 14 12 12 10
7-1/2 14 12 10 10 8
10 14 12 10 8 6
15 12 10 8 6 6
20 12 8 8 6 4
25 10 8 6 4 4

Three Phase (230 Volt) - Wire Size Selection Guide*

HP Cable Length
Up to 30' 31' - 50' 51' - 75' 76' - 100' 101' - 150'
1/2 14 14 14 14 14
3/4 14 14 14 14 14
1 14 14 14 14 14
1-1/2 14 14 14 14 14
2 14 14 14 14 14
3 14 14 14 14 12
5 14 14 12 12 10
7-1/2 14 12 10 10 8
10 14 12 10 8 6
15 12 10 8 6 6
20 12 8 8 6 4
25 10 8 6 4 4

Three Phase (460 Volt) - Wire Size Selection Guide*

HP Cable Length
Up to 30' 31' - 50' 51' - 75' 76' - 100' 101' - 150'
1/2 14 14 14 14 14
3/4 14 14 14 14 14
1 14 14 14 14 14
1-1/2 14 14 14 14 14
2 14 14 14 14 14
3 14 14 14 14 14
5 14 14 14 14 14
7-1/2 14 14 14 14 14
10 14 14 14 14 12
15 14 14 14 12 12
20 14 14 14 12 10
25 14 14 12 10 10
*CAUTION: - The information provided in these charts is for reference only and not intended to provide complete requirements or qualifications for selecting the proper cable size for various conductor lengths. The requirements of the National Electric Code (NEC) and any applicable local codes must always be followed when determining proper wire sizes. Use this information for reference only.

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