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.
Informational Note: For information regarding listing requirements
for self-contained spas and hot tubs, see ANSI/UL 1563–
2010, Standard for Electric Spas, Equipment Assemblies, and Associated
Equipment.
(C) Interior Wiring to Outdoor Installations. In the interior
of a dwelling unit or in the interior of another building or
structure associated with a dwelling unit, any of the wiring
methods recognized or permitted in Chapter 3 of this Code
shall be permitted to be used for the connection to motor
disconnecting means and the motor, heating, and control loads
that are part of a self-contained spa or hot tub or a packaged
spa or hot tub equipment assembly. Wiring to an underwater
luminaire shall comply with 680.23 or 680.33.
