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Hot Tub Bonding NEC 680.42(B)

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RCS Rick

Member
Location
Granbury, Texas
Occupation
Master Electrician, Chief Electrical Inspector
I am having a discussion with TDLR (Texas Department of Licensing and Regulation) Electrical Department. They are saying that 680.42 (B) releases installers from; 680.26(B)(7); bonding fixed metal parts within 5’. I am saying that 680.42 (B) is only releasing the “Equipotential bonding of the perimeter surface area” if 680.42 (B)(1),(2),(3), & (4) are met. I feel that 680.42 clearly states that Artilcle 680 parts I and II shall comply, and 680.26 (B)(7) requiring the bonding of fixed metal parts within 5’ is part of Part II. What do you all think?
 
Dennis Alwon

Dennis Alwon

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Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
RCS Rick said:
I am having a discussion with TDLR (Texas Department of Licensing and Regulation) Electrical Department. They are saying that 680.42 (B) releases installers from; 680.26(B)(7); bonding fixed metal parts within 5’. I am saying that 680.42 (B) is only releasing the “Equipotential bonding of the perimeter surface area” if 680.42 (B)(1),(2),(3), & (4) are met. I feel that 680.42 clearly states that Artilcle 680 parts I and II shall comply, and 680.26 (B)(7) requiring the bonding of fixed metal parts within 5’ is part of Part II. What do you all think?
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I agree with you. That sections states clearly foe perimeter surfaces. You still need to bond any metal parts within 5' of the tub

Equipotential bonding of perimeter surfaces in accordance with 680.26(B)(2) shall not be required to be provided for spas and hot tubs where all of the following conditions apply:
  • (1)
    The spa or hot tub shall be listed, labeled, and identified as a self-contained spa for aboveground use.
  • (2)
    The spa or hot tub shall not be identified as suitable only for indoor use.
  • (3)
    The installation shall be in accordance with the manufacturer’s instructions and shall be located on or above grade.
  • (4)
    The top rim of the spa or hot tub shall be at least 710 mm (28 in.) above all perimeter surfaces that are within 760 mm (30 in.), measured horizontally from the spa or hot tub. The height of nonconductive external steps for entry to or exit from the self-contained spa shall not be used to reduce or increase this rim height measurement.
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