NE-M Installation Guide
H5692448
850050111
Issue 03 August 2017
86
Safety
Safety Statements
See equipment specifications for installation and environmental limitations.
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Do not install this equipment over combustible surfaces.
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Rules and Regulations - Follow all national and local rules and regulations when making field connections.
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Compression Connectors
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U. S. or Canada installations - use Listed/Certified compression connectors to terminate Listed/Certified field-wire conductors.
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All installations - apply the appropriate connector to the correct size conductor as specified by the connector manufacturer, using
only the connector manufacturer’s recommended or approved tooling for that connector.
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Electrical Connection Securing: Torque to the values specified on labels or in the product documentation.
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Cable Dress - dress to avoid damage to the conductors and undue stress on the connectors.
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Circuit Breakers and Fuses
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Use only those specified in the equipment ordering guide.
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Size as required by the National Electric Code (NEC) and/or local codes.
Safety Tested Limits - Refer to the equipment ratings to assure current does not exceed:
Continuous Load (List 1) - 60% of protector rating
Maximum Load (List 2 - typically end of discharge) - 80% of protector rating.
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GMT Style Fuses - Use only fuses provided with safety caps.
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Field-wired Conductors - Follow all National Electric Code (NEC) and local rules and regulations.
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Insulation rating: 90°C minimum; 105°C (minimum) if internal to enclosed equipment cabinets.
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Size AC field-wired conductors with 75°C ampacity (NEC) equal to or greater than their panel board circuit breaker rating.
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Size DC field-wired conductors with 90°C ampacity (NEC) equal to or greater than circuit breaker/fuse rating.
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AC and DC input disconnect/protection - Provide accessible devices to remove input power in an emergency.
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Alarm Signals - Provide external current limiting protection. Rating 60V, 0.5A unless otherwise noted.
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Grounding - Connect the equipment chassis directly to ground. In enclosed equipment cabinets connect to the cabinet AC service
ground bus. In huts, vaults, and central offices connect to the system bonding network.