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safety_guide

Safety Guide

 

nfpa csaz462

Key Elements of the Standard

 

NFPA 70E (USA) and CSA Z462 (Canada) are consensus standards which cover electrical safety related work practices and procedures for employees who work on or near exposed energized electrical conductors or circuit parts. Relevant requirements include:
 

      The power must be proved to be off before work can be performed.
      This includes:

        •  The safe interruption of the load & opening of the disconnect

        •  Visual verification/voltage testing to ensure deenergization

 

      The potential electrical hazard must be identified and documented.

        •  Flash hazard analysis must be performed

        •  Flash protection boundaries must be determined

 

      Appropriate steps must be taken to protect persons working near live
      parts or within the flash protection boundary.

        •  Personal Protective Equipment must be provided based on the relevant             incident energy exposure levels (ca/cm2)

        •  Only properly qualified persons shall be allowed to perform work

 

      See published NFPA 70E or CSA Z462 standard for complete safety requirements

 

Wiring and connection systems utilizing conventional switches and/or pin and sleeve devices would typically require all of the above listed protective measures to comply
with NFPA 70E or CSA Z462.

In contrast, by using Meltric's DECONTACTOR™ Series switch rated plugs & receptacles to connect equipment, users can avoid ALL these requirements and procedures.

 

DECONTACTOR Series Plugs & Receptacles

 
plug_receptacle

Decontactors unique features and capabilities allow users
to safely and quickly change-out equipment without the
need for NFPA 70E/CSA Z462 required PPE and work procedures.

 

  •  Switch ratings ensure safe load interruption
 
  •  Removing the plug provides positive visual verification of deenergization without
     voltage testing.
 
  •  Dead front construction prevents exposure to live parts. This eliminates the need to     
     perform hazard analysis and establish protection boundaries and avoids the need for     
     electrical personal protective equipment.
 
  •  Plug & play simplicity allows qualified mechanics to quickly change-out motors.     
     Electrical personnel are not required.
 

Decontactors Simplify Code Compliance

 
Meltric Decontactors simplify NFPA 70E/CSA Z462 compliance. They allow qualified workers to change-out a motor or other electrical equipment without needing...
hazard_analysis

• Hazard Analysis

  as required in NFPA 70E   2004 Edition article 130.3

mechanical_interlock

• Mechanical Interlocks

  as required for use with
  non-hp rated plugs and  
 receptacles

voltage_testing

• Voltage Testing

  as required in NFPA 70E   2004 Edition article   120.2(F)(2)

flash_boundaries

• Flash Boundaries

  as required in NFPA 70E   
 2004 Edition article 130.3

auxiliary_disconnects

• Auxiliary Disconnects

  as required in NEC   430.102

ppe

• PPE

  as required in NFPA 70E   
 2004 Edition table 130.7(C)(10)

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