Section 7.0: Electrical Equipment

Introduction

Electrical hazards have been the cause of many fires, injuries, and deaths. In fact, electrical fires are the number one cause of fire in the workplace.

Electrical hazards include, but are not limited to, wiring, equipment misuse, defective insulation, faulty grounds, open switch boxes, and water/electrical apparatus interfacing.

This section will provide assistance for focusing attention on electrical equipment and hazards.

Guide

7.1. All electrical wiring must be of proper wire size, adequately insulated, properly connected, and free of hazards.

All electrical wiring must be adequately located, supported, and protected, so as not to create a tripping or overhead hazard, or be struck by equipment during normal operations.  Make-shift wiring is not acceptable. All electrical leads on factory equipment must be three-prong grounded or double-insulated.   Frayed and worn cords must not be used.

7.2. Only approved fixtures, plugs, circuit breakers, and other equipment must be used.   Make-shift wiring must not be allowed as such wiring poses an electrical and fire hazard.
7.3. All junction boxes, outlets, and panel boards must be guarded (covered) using approved and secured enclosures or covers.
7.4. Hazardous accumulations of dust, grease, oil, or fibers can be ignited by electrical sources, such as arcs.  Motors must be kept free of accumulations.
7.5. Electrical equipment designed and approved for the specific use in hazardous environments and atmospheres must be used.
7.6. Where portable electrical heaters are permitted, established procedures for maintaining adequate clearance of combustible materials and for properly securing the units should be practiced.
7.7. Electrical equipment and protective devices should receive regularly scheduled and recorded maintenance.
7.8. A competent electrician should be available to monitor the electrical system and provide maintenance.
7.9. A lighting-protection system can provide protection for circuits and electrical equipment.
7.10. Grounding and double insulating electrical equipment will allow protective devices to operate properly.
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Table of Contents

Introduction
Getting Started
Survey Checklists

Reference Guide

Appendix I
Sources of Information & Assistance

Appendix II
Forms

Appendix III
Review of Basic Fire Hazards

Appendix IV
Facility Survey

Appendix V
Selected NFPA Reference Codes

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