230 v motor

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mickeyrench

Senior Member
Location
edison, n.j.
Is it a violation of the nec to start a 230v 2 hp sump pump motor with ol protection using just a h.d. 2 pole switch? When are starters required to be used for motors ? I look at 430 and can,t find the infomation i want. Thanks again for help.
 

Dennis Alwon

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Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
Is it a violation of the nec to start a 230v 2 hp sump pump motor with ol protection using just a h.d. 2 pole switch? When are starters required to be used for motors ? I look at 430 and can,t find the infomation i want. Thanks again for help.

If the motor has overload protection then no starter is needed.
 

Goroon

Member
430.2 Definitions.

430.2 Definitions.

430
430.2 Definitions.
Controller. For the purpose of this article, a controller is any switch or device that is normally used to start and stop a motor by making and breaking the motor circuit current.

430.31 General.
Part III specifies overload devices intended to protect motors, motor-control apparatus, ....
(D) One Horsepower or Less, Nonautomatically Started.

430.35 Shunting During Starting Period.
 

augie47

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Staff member
Location
Tennessee
Occupation
State Electrical Inspector (Retired)
Look at 430.109 (C) disconnecting means 2 HP or less and 430.32 (A)(2)
 
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