FTTH fiber-to-the-home solutions
Optical communication component solutions

Various distribution box numbers

Various distribution box numbers

Distribution box numbers and codes, such as 1AL1B, 1AP2, and GCK, are used to identify the type, location, and function of electrical distribution boxes in a system.Understanding Distribution Box NumberingDistribution boxes, also called DB boxes, breaker boxes, or fuse boxes, are central points for safely distributing electrical power from a main supply to multiple circuits . To organize and manage these boxes in engineering diagrams and installations, designers use numbering and coding systems that indicate the type, location, and purpose of each box .Common Codes and Their Meanings1AL1B: Represents a type B distribution box located at a specific position, often on the first floor. The first part (1AL) indicates the floor and general location, while the last letter (B) specifies the type or sequence .1AP2: Denotes a power distribution box at the second position on the first floor. "AP" typically stands for a power distribution box, and the number indicates its sequence or location .AT-DT: Refers to a specialized distribution box, such as an elevator distribution box .KX: Indicates a control box used for managing relays, contactors, or timers .Standard Distribution Box TypesGCK, GCS, MNS: Low-voltage draw-out switchgear .GGD, GDH, PGL: Low-voltage fixed switchgear .XZW: Integrated distribution box .ZBW: Box-type substation .40, GXL: Low-voltage distribution cabinets .Practical ApplicationsDistribution box numbers are not strictly standardized but follow engineering conventions to ensure clarity in diagrams and installations. They help electricians and engineers quickly identify the box type, its location, and its function, which is critical for maintenance, troubleshooting, and safety .SummaryFloor and location: Indicated by the first part of the code (e.g., 1AL = first floor, location A).Type or sequence: Indicated by letters or numbers at the end (e.g., B = type B, 2 = second position).Function: Certain codes indicate specific functions, such as AP for power distribution or KX for control boxes.Switchgear type: Codes like GCK, GGD, or MNS denote the internal configuration and voltage type of the box. Using these codes ensures organized, safe, and efficient electrical distribution across residential, commercial, and industrial installations .

Jul 23, 2025

Electrical Distribution Box: Complete Panel Types Guide 2025

Learn what an electrical distribution box is in simple terms. Complete guide to panel types, NEC 408 requirements, and applications for home and commercial use.

Nov 22, 2025

What is a Distribution Box? – A Comprehensive Guide

Distribution boxes play a critical role in ensuring safe and efficient power flow across various applications. They protect circuits, manage energy

Apr 17, 2026

What Is A Distribution Box?

A distribution box, also known as a distribution board, is a central hub in an electrical system designed to manage and distribute electrical power

Mar 26, 2026

12 types of distribution boxes and how to choose them

How to Choose the Right Distribution Box: Your Step-by-Step Guide So, you''ve seen the options—now what? Choosing the best distribution box isn''t rocket science, but it does need a bit of

Jun 18, 2026

Types of Electrical Distribution Boards Explained

Distribution boards are crucial components of any electrical installation, and their components play a vital role in ensuring the safety and

Dec 05, 2025

Distribution Box

Plastic Electrical Box, also known as a consumer control unit or electricity control unit. It is a device that is a type of distribution board that helps in protecting cables from overload and then damage or

Feb 20, 2026

Distribution board

A distribution board (also known as panelboard, circuit breaker panel, breaker panel, circuit breaker, electric panel, fuse box or DB box) is a component of an

Feb 13, 2026

The Ultimate Guide to Distribution Box Types

In any electrical system, the distribution box is the heart and brain, a critical component that safely manages and distributes power from the main source to

Jun 16, 2026

Complete Guide For Distribution Boxes Types

The correct choice and installation of distribution boxes are crucial for electrical safety, efficiency, and reliability. This guide provides an exhaustive overview of the different types of distribution boxes,

Feb 26, 2026

Distribution Box and Selection Guide: Internal Structure,

Learn how to choose a distribution box and understand its internal structure, including MCBs, busbars, neutral bars, earth bars, RCDs, RCBOs,

May 11, 2026

Distribution Box Guide: Types, Components & Solutions

Understand distribution boxes (DB boxes) in 5 minutes. Learn about types, components, functions, and uses. Find the perfect DB box for your needs.

Mar 31, 2026

Distribution box catalogue | PDF

This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. It includes specifications for

Jun 09, 2026

Electrical Distribution Boxes -ZHENGKAI

Discover electrical distribution boxes types, components (MCB, RCCB, RCBO, SPD, busbar) and functions. Get expert selection guidance and

Sep 07, 2025

2 Way to 36 Way Distribution Boards

Understanding the differences between distribution boards with different numbers of ways boils down to understanding the complexity and scale

Nov 14, 2025

The Complete Guide to Distribution Box: Installation, Types & More

What''s the difference between a distribution box and a sub-panel? A distribution box typically refers to the main electrical panel that receives power from the utility service. A sub-panel is

Aug 10, 2025

Different Types of Distribution Boards & Their Uses Explained

Explore different types of electrical distribution boards and their uses. Learn how they manage power safely in homes and commercial spaces. Read to know more!

Dec 21, 2025

Distribution Boxes Technical Data

Two provided with box. One set provided with box. Dimensions are shown in mm (in.). (1) Replace x with 1 [1 m (3.28 ft)], 2 [2 m (6.56 ft)], 3 [3 m (9.84 ft)], 5 [5 m (16.40 ft)], or 10 [10 m (32.81 ft)] for standard

Jul 25, 2025

Understanding Distribution Boxes:A Comprehensive Guide

Understanding its significance, this article covers what a distribution box is, how it functions, its structure, the various types available, and how it

Jun 18, 2026

Distribution Boxes Types – The Complete Guide

The power distribution boxes deliver electricity from the main electrical main to other circuits. Several distribution boxes are designed for specific use in

Oct 05, 2025

Distribution Box: Types and Functions | Axis-Electricals

A distribution box ensures that electrical supply is distributed in the building, also known as a distribution board, panel board, breaker panel, or electric panel.

May 22, 2026

What Is an Electrical Distribution Box? A Complete Guide

What Is an Electrical Distribution Box? An electrical distribution box serves as a centralized unit for distributing electrical power within

Jun 05, 2026

Understanding Distribution Boxes: A Comprehensive

Learn what a distribution box is, its types, and how to choose the right one for your project. Includes clear examples and expert tips.

More industry information

Contact Us

We Look Forward to Working with You

Contact Information

Phone +27 64 827 3915
Address Unit 9, Highveld Technopark, 43 Atlas Road, Johannesburg, 2196, South Africa

Send an Inquiry