Specifications

PIP ELSSG01
COMPLETE REVISION
Design and Fabrication of Low-Voltage Metal-Enclosed AC Power Circuit Breaker Switchgear October 2004
Page 10 of 14 Process Industry Practices
4.11.7 Power cable lugs will be provided by the purchaser.
4.11.7.1 The bus drilling shall be for NEMA two-hole lugs.
4.11.7.2 The size and quantity of cables shall be as indicated on the one-line
diagram or purchaser’s PIP ELSSG01D Data Sheet.
4.12 Bus Ducts
4.12.1 If indicated on the purchaser’s PIP ELSSG01D Data Sheet, the bus ducts
shall be furnished and coordinated with the respective switchgear
assemblies, the supply transformers, and other associated equipment.
4.12.2 Dimensions and details of transformer throats or other equipment
connections shall be supplied by the responsible party noted on the
purchaser’s PIP ELSSG01D Data Sheet.
4.12.3 Design of the bus duct shall be in accordance with PIP ELSBD01 and
PIP ELSBD01D.
4.13 Nameplates
4.13.1 Permanent nameplates shall be provided to identify each circuit breaker,
source disconnect point, instrument, instrument switch, relay, and auxiliary
component and to identify all equipment and terminal blocks within each
assembly.
4.13.2 All nameplates shall be made of laminated plastic at least 3/32 inch thick and
shall be affixed with stainless steel hardware.
4.13.3 Switchgear assembly-identifying nameplate may be supplier’s standard
showing manufacturer, shop order number, and date as a minimum.
4.13.4 Door-mounted devices shall be identified inside the compartment, in
addition to the external identification. The inside nameplates may be
adhesive type.
4.13.5 Nameplates for each circuit breaker compartment shall be white with
1/4-inch-high engraved black lettering.
4.13.6 Warning nameplates shall be provided on each compartment door in which
an external voltage source is terminated. Lettering shall be black on yellow
background and shall be a minimum of 1/4 inch high. The nameplate shall
read as follows:
CAUTION:
THIS UNIT IS SUPPLIED BY AN EXTERNAL VOLTAGE SOURCE.
4.13.7 A nameplate schedule will be provided by the purchaser.
4.14 Finish
4.14.1 Finish color shall be ANSI 61 light gray unless otherwise specified on the
purchaser’s PIP ELSSG01D Data Sheet.