Specifications

Introduction

Welcome to another course in the STEP series, Siemens

Technical Education Program, designed to help our distributors

and customers better understand Siemens Industry, Inc.

products. This course covers Basics of Panelboards.

Upon completion of Basics of Panelboards, you will be able to:

• Explain the role of panelboards in a power distribution

system

• Define a panelboard according to the National Electrical

Code®

• Distinguish between a lighting and appliance panelboard

and a power panelboard

• Explain the need for circuit protection

• Distinguish between a main breaker panelboard and a

main lug only panelboard

• Identify the most common power supply systems for

panelboards

• Explain the use of panelboards as service-entrance

equipment

• Describe the proper grounding techniques of service

entrance and downstream panelboards

• Describe the five Siemens P series panelboard models

• Identify key ratings of Siemens P series panelboards

• Identify Siemens P series panelboard options

• Identify additional Siemens panelboard types