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NEMA ICS 4

Application Guideline for Terminal Blocks

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Organization: NEMA
Publication Date: 1 January 2015
Status: active
Page Count: 23
scope:

This Applications Guideline applies to one-piece, or modular, or two piece terminal blocks with screwtype, screwless-type, or insulation-displacement clamping units intended for industrial use and fixed to a support or to a printed circuit board (PCB) to provide electrical and mechanical connection for the following round, solid, or stranded conductors:

a) Copper conductors only, without special preparation, having a cross-section of 24 AWG to 2000 kcmil (0.2-1014 mm2).

b) Aluminum (uncoated) conductors only, without special preparation, having a cross-section of 12 AWG to 6 AWG (2.5-16 mm2) for solid conductors and 12 AWG to 2000 kcmil (3.3-1014 mm2) for stranded conductors.

c) Aluminum (uncoated) and copper conductors, without special preparation, having a crosssection of 12 AWG to 6 AWG (2.5-16 mm2) for solid conductors and 12 AWG to 2000 kcmil (3.3-1014 mm2) for stranded conductors.

The terminal blocks are intended for use in circuits of rated insulation voltage not exceeding 1000 V AC at a frequency not greater than 60 Hz or not exceeding 1500 V DC.

This Applications Guideline does not apply to connectors specifically designed for, and forming, an integral part of equipment, which are dealt with in the relevant equipment standards.

NOTE-This Applications Guideline may be used as a guide for the termination requirements for disconnect-type or other special terminal blocks for which there is no standard at this time.

Document History

NEMA ICS 4
January 1, 2015
Application Guideline for Terminal Blocks
This Applications Guideline applies to one-piece, or modular, or two piece terminal blocks with screwtype, screwless-type, or insulation-displacement clamping units intended for industrial use and...
January 1, 2010
APPLICATION GUIDELINE FOR TERMINAL BLOCKS
This standard applies to one piece, or modular, or two piece terminal blocks with screw-type or screw-less-type clamping units intended for industrial use, and fixed to a support or to a Printed...
January 1, 2005
Terminal Blocks
This standard applies to one piece, or modular, or two piece terminal blocks with screw-type or screw-less-type clamping units intended for industrial use, and fixed to a support or to a Printed...
January 1, 2000
Industrial Automation Control Products and Systems Section Terminal Blocks
A description is not available for this item.
January 1, 2000
Industrial Automation Control Products and Systems Section Terminal Blocks
This standard applies to one piece, or modular, or two piece terminal blocks with screw-type or screw-less-type clamping units intended for industrial use, and fixed to a support or to a Printed...
November 1, 1997
Industrial Control and Systems Terminal Blocks
A description is not available for this item.
January 1, 1993
Industrial Control and Systems Terminal Blocks
A description is not available for this item.
July 12, 1983
TERMINAL BLOCKS FOR INDUSTRIAL USE; (R 1988) REVISION 1 - MAY 1988
A description is not available for this item.

References

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