UL 1564-2020 pdf free download

UL 1564-2020 pdf free download.Industrial Battery Chargers. 9 Protection Against Corrosion 9.1 Iron and steel parts shall be protected against corrosion by enameling, painting. galvanizing, plating, or an equivalent means. Exception No. 1: Bearings, laminations, and other similar parts of iron or steel, such as washers and screws, do not need to be protected from corrosion. Exception No. 2: A part the corrosion of which would not result in a risk of fire, electric shock, or injury to persons does not need to be protected from corrosion. 10 Supply Connections — Permanently-Connected Products 10.1 General 10.1.1 The provisions for the input connections to a product shall consist of either a means of permanent wiring connections as specified in this Section or a power supply cord in accordance with Supply Connections — Cord- and Plug-Connected Products, Section 11. 10.1.2 A product intended for permanent connection to the power supply shall have provision for the connection of a wiring system. 10.1.3 A knockout in a sheet-metal enclosure shall be secured and shall be removable without undue deformation of the enclosure. 10.1.4 A knockout shall be surrounded by a flat surface large enough to seat a conduit bushing or locknut of the appropriate size. 10.1.5 A field-wiring compartment in which power supply connections are to be made shall be located so that the connections may be readily inspected after the product is installed as intended. 10.1.6 A field-wiring compartment intended for connection of a wiring system shall be attached to the product so that it is prevented from turning. 10.1.7 A field-wiring compartment shall provide protection for wiring from sharp edges, including screw threads, burrs, fins, moving parts, and the like, that may abrade the insulation on conductors or otherwise damage the wiring. 10.1.8 If a separate field-wiring compartment is not provided, space for field-wiring connections shall be located near the connecting means and shall permit routing of the wiring away from live parts and from sharp edges, including screw threads, burrs, fins, moving parts, and the like. 10.2 Field-wiring terminals and leads 10.2.1 A field-wiring terminal is a terminal to which power-supply, control, output, or other permanent connections will be made in the field when the charger is installed. 10.2.2 Field-wiring terminals or leads shall be acceptable for the connection of conductors having an ampacity appropriate for the rating of the charger. 10.2.3 A wiring terminal shall be provided with a soldering...