Cut Sheet
SIS Cable
(
Switchboard
)
APPLICATIONS
• Predominantly used in utility substations
switchboards
• For use in Class 1E low voltage applications
in operation and interconnection of
protective devices where optimum
performance is required
• Rated 600 Volts
CONSTRUCTION DETAILS
• Conductors
• 18 AWG thru 2 AWG Tinned, Annealed
Copper
• 18 AWG thru 10 AWG, Class K Stranding
• 8 AWG thru 2 AWG, Class H Stranding
• Insulation
• Flame-retardant, heat, moisture, and
radiation resistant, Cross-Linked
Polyethylene
• Color Code: Gray
• Print
• For 18 AWG & 16 AWG: SOUTHWIRE
XXAWG XLPE 600V 90C VW-1
SEQUENTIAL FOOTAGE MARKS
• For 14 AWG &2 AWG: SOUTHWIRE
XXAWG SIS or XHHW-2 UL TYPE 600V
90C VW-1 SEQUENTIAL FOOTAGE MARKS
SPECIFICATIONS
Southwire’s Type SIS Cable meets or
exceeds:
• All applicable ASTM Standards
• UL 44 Type XHHW
• UL 1581 VW-1
OPTIONS
• Stranding Classes
• Bare Copper Conductors
• Insulation Color
• UL Listed SIS/XHHW for Sizes 14
AWG thru 2 AWG
JACKET COLOR OPTIONS
SUBSTATION SPECIALTY CABLE
CONDUCTOR TYPE
18 – 2 AWG TINNED
C O P P E R
INSULATION TYPE
FR-XLPE
CONSTRUCTION
AT A GLANCE
47
1
2
2
1
Dark Red
Dark Blue
Dark Green
Black
White
Gray (Standard)