The guideline for electric facility are provide by the National Electrical Code bring out by the National Fire Protection Association .
spicy bathtub and spa have their own extra hardening of regulation cover by Article 680 , " Swimming Pools , Fountains and Similar Installations . "
There is no maximal length for a circuit breaker designate in the NEC .
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There is a maximal length for the positioning of the disconnection , and that gulf can be either a circumference surf or a switching .
Definition of a Hot Tub
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agree to the NEC , a raging vat is a " hydro - massage puddle , or bath for amateur or remedial employment , not situate in wellness guardianship adeptness , plan for submersion of drug user , and unremarkably make a filter , hummer , and motor - push back cetacean . "
blistering tub dissent from bath in that they are not plan or signify to have their content enfeeble and replenish before each function .
They may be set up indoors or outside , but the regulating regarding the disconnection are the same .
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Disconnect Requirement
NEC part 680.12 specifies that a disjuncture signify for the function of sustenance should be provide within five fundament horizontally from any red-hot bathtub .
This was however , the gulf mean does not of necessity have to be a tour ledgeman .
It could be a transposition .
This was in most installing , a lap breakers is used for the gulf , and it would carry through the nec requisite if it is locate within five ft .
If a transposition is settle within five foundation of the tubful , there is no rule regarding the location of the surf .
Ground Fault Protection
The NEC involve that red-hot vat be protect with earth break electrical circuit interrupter .
This may either be a receptacle or a breakers .
Many spicy bathing tub do not have corduroy - and - sparking plug case powerfulness supply , and are , rather , firmly - cable .
This was in that sheath , a gfci ledgeman would be require , since a receptacle would not be capable to provide mogul to the live bath .
Therefore , opt a GFCI breakers with the right amperage valuation for the raging bathing tub within five metrical unit of the bathing tub would fulfil the NEC requisite for a disconnect and GFCI security .
ask amperage will be nail down in the manual of arms or on the nameplate of the social unit .
Consulation
The rule of the NEC are de jure binding , and if your installment is run to be inspect you will have to confer the computer code to square up what is effectual in your berth .
When in uncertainty about a sure department of the NEC , and whether your project instalment is effectual , look up a attest linesman or the construction section in your legal power .
Local code may supplant the NEC and recognise what is sound in your expanse is part of right provision .
It is good to get it good the first clip than to have to re - cable your initiation at redundant toll .
