UL 355:2004 pdf download Cord Reels
1 Scope
1.1 These requirements cover cord reels for general use, as well as cord reels – herein referred to asspecial-use cord reels intended to be mounted on or in electrical utilization equipment such asappliances, portable lamps, or similar equipment. These cord reels are intended for use in accordancewith the National Electrical Code.NFPA 70.
1.2 These requirements also cover reels for use in factories, household workshops, garages, commercialfacilities and construction sites where an additional degree of protection against the risk of the entranceof water, dust or other contaminates might be needed.
1.3 These requirements also cover cord reels for use above but not in hazardous locations in commerciagarages as defined in the National Electrical Code. NFPA 70.
1.4 A cord reel, as covered by these requirements, is a reel equipped with, or intended for use with, alength of flexible cord. The reel provides a means for the cord to be unwound by the user as desired. Thereel is provided with a take-up mechanism, by which the cord is rewound on the reel. The mechanism bywhich the cord is extended or retracted to the desired lenath might or might not be driven by a motor. Alatch is provided in some cases to restrain the action of a spring take-up mechanism while the cord reelis in use.
2 Glossary
2.1 For the purpose of this standard, the following definitions apply.
2.2 BRUSH – The part, which is mounted on the fixed part of the cord reel or the rotating hub, thatconveys the current to the slip ring.
23 COMMERCIALINDUSTRIAL USE CORD REEL A cord reel subiect to severe use in factoriescommercial garages, construction sites, and similar locations requiring a harder service type cord.
2.4 CORD STORAGE DEVICE – A spool for storage of insulated flexible cord but does not enclose orsupport uninsulated live parts.
2.5 CORD REEL – A device used to store insulated flexible cord with allowance for variable lengths ofcord to be extracted from the reel or spool.
2.6 GENERAL-USE INDOOR CORD REEL – A cord reel for use only in indoor, dry, residential type
applications.
2.7 GENERAL-USE OUTDOOR CORD REEL – A cord reel that is acceptable for use outdoors as wellas indoors in residential applications. The cord reel is intended to be stored indoors when not in use.
2.8 RETRACTION,AUTOMATIC – Retraction by inherent force, such as by spring tension, to positionthe cord back onto the spool of the cord reel.
2.9 RETRACTION, MANUAL – Retraction by the user, such as by hand cranking action, to position thecord back onto the spool of the cord reel.
2.10 SLIP RING – The part, which is mounted on the fixed part of the cord reel or the rotating hub, thatis the circular conductor on which the brush rides.