Installation Guide
Before You Begin
SECTION 2
3
2.2 Important Electrical Precautions Before Installation
IMPORTANT: Where required, all electrical connections should be performed by a licensed, certied electrician in
accordance with local and national electrical code requirements.
2.2.1TempZone™FloorHeatingCablehasanearth-groundingbraid(metalsheath).Theearth-groundingbraidshouldbeproperly
grounded.Thecorewiresshouldbeconnectedtothemainpowersupply.
2.2.2Verifythatcablevoltagematchesthevoltageofcircuit.
2.2.3ChecktheohmsresistanceoftheTempZone™FloorHeatingCablebefore,during,andafterinstallation.Resistancevalue
shouldmatchthevaluegivenonthelabelattachedtothecable.Atoleranceof-5/+10%at20ºC(68ºF)isallowed.
2.2.4Localelectricalcodesmayrequirethelow-voltagesensorwiretobeinstalledinconduit.Ifthisisrequired,donotinstallthe
low-voltagesensorleadintheconduitcontainingthecoldleads.Provideaseparateconduitforthelow-voltagesensorwire.
2.2.5WarmlyYoursstronglyrecommendsconnectingtheCircuitCheck™devicetowarnofaccidentaldamagetotheTempZone™
FloorHeatingCableorleadwiresduringinstallation.
2.2.6TempZone™FloorHeatingCableshouldbeconnectedtoaListedClass–AGroundFaultCircuitInterrupter(GFCI).Ifusingone
ofourprogrammableornonprogrammableListedthermostatsthatincludeabuilt-inGFCI,thenaseparateClass–AGFCIisnot
required.
2.2.7IftheGFCIistrippedduringnormaloperationandcannotbereset,theremaybeafaultinthecable.DoNOTattemptto
re-energizetheTempZone™FloorHeatingCable.DoNOTbypasstheGFCIunderanycircumstances.Contactaqualied
electricianorWarmlyYoursforassistance.
2.2.8Indicatewhichbranchcircuitsorcircuitbreakerssupplythepowertotheoorheatingcableinaconvenientlocation
(e.g.tapedtothecircuitbreakerbox)forreferencebytheelectricalinspectororhomeowner.RetaintheULlabelsforeach
TempZone™FloorHeatingCable.LeaveoneULlabelattachedtotheoorheatingcable.
2.2.9UseonlyListedconduit,ttings,andothercomponents.
2.2.10TempZone™FloorHeatingCableshallnotextendbeyondtheroomorareainwhichitoriginates.
2.2.11TheTempZone™FloorHeatingCableshouldonlybeinstalledbyqualiedpersonnelwhoarefamiliarwiththeconstruction
andoperationoftheTempZone™FloorHeatingCableandtherisksinvolved.
2.2.12TheinstallationoftheTempZone™FloorHeatingCableshallbeinaccordancewithallmanufacturer’sinstructionsandlocal
andnationalcodes.
2.2.13InCanada,theinstallationshallbemadeaccordingtotheprovisionsofsection62oftheCanadianElectricalCode,Part1.
2.2.14Whenusedinwetlocations,theinstallationshallbeinaccordancewiththeNationalElectricalCode(NEC),NFPA-70and
CAN/CSA-C22.1,CanadianElectricalCode(CEC),PartI.FinalapprovaloftheinstallationistobedeterminedbytheAuthority
HavingJurisdiction(AHJ).TheULListingforthisproductdoesnotcoveruseinwetlocationsintheUnitedStates.Installations
shallbeinaccordancewiththeNationalElectricCode,NFPA70andanyotherapplicablejurisdictionalcodesandnal
acceptanceistobemadebytheAuthorityHavingJurisdiction(AHJ).
WARNING : Risk of electric shock and re. Damage to supply conductor insulation may occur if conductors are
routed less than 2 in. (51 mm) from this heating product. Refer to installation instructions for recommended
means of routing supply conductors.