UL 987

This new edition is being issued to update the standard and to incorporate the new and revised requirements and to reflect the latest ANSI approval date for UL 987:

(1) Addition of construction, marking, and test requirements for motor-operated panel saws

(2) Addition of construction, marking, and test requirements for motor-operated, or magnetically driven stationary or fixed tools powered by rechargeable battery, and the battery packs for such tools

(3) Revision of table saw requirements including changes to address blade saw constructions; force criteria for riving knife, riving knife/spreader combination, and antikickback devices; linear measurement to determine rigidity of a riving knife and its holder; body thickness of a riving knife; allowance for faster and easier installation, adjustment, and removal of table saw parts; construction of a guard and an antikickback device attached to a spreader or riving knife/spreader combination unit to avoid risk of injury; allowance for easier adjustment or removal of an antikickback device; deformation of an antikickback devices; guarding of the saw blade for table saws with open bottom construction; means for measuring the blade recess for table saws with open bottom construction

(4) Revision to specify that a sheet-metal screw shall not be used as a means to secure equipment-grounding conductors

(5) Addition of requirements applicable to lasers that are integral to product constructions covered under UL 987

(6) Deletion of Obsolete Asbestos and Cotton Insulated Wire Types from UL 987

(7) Editorial changes to update standardized wording, clarify requirements, and to update incorrect references