• Maximum weight allowed: 20 lbs. • For side-by-side paper stacks, small parts and reports. • The minimum billable weight for this FedEx packaging will be 1kg per. This 8-module surface-mounted distribution box features IP65 waterproof protection and flame-retardant, impact-resistant plastic construction. Designed for both indoor and outdoor use, it includes a transparent window for easy breaker status monitoring and a complete installation kit for quick. This guide covers standard box sizes across every major industry, explains the difference between internal and external dimensions, breaks down carrier-specific size requirements for USPS, UPS, and FedEx, and gives you practical tips to find the right fit for any product. Size charts are provided. Wiring diagram shows both PNP and NPN wiring. Actual units use PNP status indicator, NPN status indicator, or neither. These Distribution Cabinets are to be outdoor type nd to be fabricated out of 2 mm GI sheet steel. The body of the boxes shall have sufficient re- enforcement with suitable size of channels keeping a provision for fixin andle conforming to general. The Grenada Bureau of Standards is the national agency responsible for the development and promotion of standards for the improvement of goods and services produced or used in Grenada. Use the search feature in our standards library to find the standard (s) you are looking for. It includes specifications for TOP-TS, TOP-TF, TOP-LS, TOP-PS, TOP-PF, and TOP-S distribution boxes that range from 1-way to 36-ways. Dimensions included are length, width.