Thelicenseisjustforthecomponentitself.Theglowwiretestmaybenecessaryaccordingtothestandardoftheendproduct.Forexample,theVDEapprovedswitch.Glowwiretestfrom335-1fortheswitchmaybeignited.Therefore,theneedleflametestontheenclosureisneededtobeconsidered.Ifso,theenclosurewillmostlyfail.Mr.Cheung