UL 15:2002 pdf download Portable Electric Luminaires
2 Glossary
2.1 For the purpose of these requirements the following definitions apply
2.2 ADAPTER – A component of a lighting assembly intended to mate with a base and providemechanical attachment and electrical connection for interchangeable lighting assemblies.
2.3 ADAPTER FOR TRACK STYLE UNIT – A component of a lighting assembly intended to mate witha track and provide mechanical securement and electrical connection for track-style type units.
2.4 BALLAST – A current limiting device required to start and operate fluorescent lamps.
2.5 BASE – A weighted free standing or wal-mounted, cord-connected support that provides theelectrical supply to one or more replaceable or interchangeable lighting assemblies.
2.6 BULB(LAMP) – See 2.20.
2.7 CLASS 2 CIRCUIT – An isolated secondary circuit involving a potential of not more than 42.4 voltspeak open circuit supplied by:
a) An inherently-limited Class 2 transformer.
b)A combination of an isolated transformer secondary winding and a fixed impedance orregulating network that together comply with the performance requirements for an inherentlylimited Class 2 transformer; or
c) One or more combinations of a transformer and an overcurrent protective device thattogether comply with the performance requirements for a noninherently-limited Class 2transformer.
However, a circuit derived from a line-connected circuit by connecting impedance in series with thesupply circuit as a means of limiting the voltage and current is not determined to be a Class 2 circuit.
2.8 CLEARANCE DISTANCE – The shortest distance measured through air between conductive parts
2.9 COMBUSTION – Burning; or a chemical process (as an oxidation) accompanied by the evolution ofight and heat. Examples of combustion are any blackening or disintegration, glowing, flaming orcharring of any material or test indicators such as tissue paper, cheesecloth or wood.
2.10 COMPACT FLUORESCENT LAMP – A fluorescent lamp that is formed such that both ends fit intoa support that is inserted into a single lampholder.
2.11 CONVERTIBLE UNIT – A portable luminaire provided with instructions and a kit that converts theportable luminaire to a fixed luminaire (ighting fixture).
2.12 DECORATIVE PART – A part whose total or partial destruction does not affect intendedperformance of the portable luminaire.
2.13 END CAP – A cover intended to close the open end of a track.
2.14 EXPOSED PART – A part that is not enclosed to prevent contact.
2.15 FRICTION MATERIAL – Rubber or elastomer with or without dimples or ridges. Plastic or metalwith or without dimples or ridges is not determined to be a friction material.
2.16 GUARD – That portion of the portable luminaire that prevents inadvertent contact with the lamp. lsable to be integra with the shield.
2.17 HOUSED PART — A part that is prevented from being contacted by a housing that does not meetthe requirements for enclosing live parts.
2.18 INTERLOCK SWITCH – A switch that de-energizes the lamps when the portable luminaire isopened or when the lamp is replaced.
2.19 ISOLATED SECONDARY CIRCUIT – A circuit derived from an isolated secondary winding of atransformer and that has no direct connection back to the line-connected circuit (other than throughgrounding means). A secondary circuit that has a direct connection back to the line-connected circuit isdetermined to be part of the line-connected circuit.
2.20 LAMP – The device, commonly called a light bulb or bulb intended to be inserted into alampholder ( socket ) to produce light.
2.21 LAMP CONTANMENT BARRIER – Any part of a portable luminaire that encloses the lamp.
2.22 LIGHTING ASSEMBLY,INTERCHANGEABLE – An assembly consisting of a lighting unit and anadapter. One or more lighting assemblies is used with a base to make up the portable luminaire forinterchangeable lighting assemblies.
2.23 LIGHTING ASSEMBLY, TRACK-STYLE – An assembly consisting of a lighting unit and anadapter. One or more lighting assemblies is used with a track to make up the track-style type unit.
2.24 LIGHTING UNIT,INTERCHANGEABLE – An assembly that includes a lamp enclosure or lampcompartment and any components and parts required for connecting the lamp compartment orenclosure to the adapter for interchangeable lighting assemblies.
UL 15:2002 pdf download
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