Correct! D. Section 680-70 requires GFCI protection on all 125-volt, single-phase receptacles within 5 feet of the hydromassage tub. Of course, if this tub were located in the bathroom of a dwelling unit all 125-volt receptacles would require GFCI protection under 210-8(a)(1).
Hit "Back" on your browser to return to E.T.E.'s Electrical Code Quiz!