This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. Wiring diagram shows both PNP and NPN wiring. Dimensions are shown in mm (in. This is an internal LLNL standard meant to guide the design of new facilities, facility modifications, and. Purpose – This Article is about all electrical equipment numbering system, Electrical Panel Numbering System, Electrical Wire Numbering System, Electrical Relay Numbering System, Electrical Drawing Numbering System, Electrical Schematic Numbering System, Electrical Cable Numbering Systems. Murrelektronik' s passive distribution boxes provide a much more convenient method for connecting sensors and actuators to the control cabinet. They create optimum installations for any application and are cost-effective. The work under this section is subject to requirements of the Contract Documents, including the GENERAL CONDITIONS, SUPPLEMENTAL CONDITIONS, and sections under Division 1 GENERAL REQUIREMENTS. Submittals shall be in accordance with Conditions of the Contract and Division 01 Specification Sections. This Project Standards and Specifications prescribes equipment and material numbering system including numbering for instrument and electrical equipment, piping line and engineering documents such as specifications, purchase orders, and other facilities. Throughout this Standard the following dated.