2.1.4.6
Concrete Markers for Direct Buried Cable Systems
Concrete markers shall be as specified in Section 16375A ELECTRICAL
DISTRIBUTION SYSTEM, UNDERGROUND.
2.1.5
Ground Rods
Ground rods shall be sectional copper-clad steel with diameter adequate to
permit driving to full length of the rod, but not less than 19.1 mm 3/4 inch
in diameter and not more than 3.048 m 10 feet long, unless indicated
otherwise.
2.1.6
Lightning Arresters
These lightning arresters shall be in accordance with IEEE C62.11 and IEEE
C62.41 as applicable with ratings as indicated.
2.1.7
Surge Protection
Surge protection shall be metal oxide varistors (MOV) in accordance with
NEMA LA 1 for power and signal circuits with ratings as recommended by the
system manufacturer.
2.1.8
Cable Connectors and Splices
Cable connectors in accordance with FAA AC 150/5345-26, Item L-823 shall be
used for connections and splices appropriate for the type of cable. Other
types of cable connectors and splices shall be of copper alloys for copper
conductors, aluminum alloys for aluminum-composition conductors and a type
designed to minimize galvanic corrosion for copper to aluminum-composition
conductors. For FAA Type L-824 lighting cable, connectors shall be FAA AC
150/5345-26, Type L-823.
2.1.9
Transformers
**************************************************************************
NOTE: Occasionally, power transformers will be
needed to support airport or heliport systems.
Prepare this paragraph as necessary to suit the
specific airfield or heliport installation.
**************************************************************************
2.1.9.1
Encapsulated Isolation Transformers
These transformers shall be FAA AC 150/5345-47, Type L-830. Each
transformer shall be provided with rating as shown on the contract drawings.
2.1.9.2
These transformers shall be in accordance with [ANSI C57.12.50] [_____] as
indicated.
2.1.10
Light Bases
**************************************************************************
NOTE: Use FAA AC 150/5345-42 Type L-867 bases for
applications not subject to aircraft or vehicle
loading. Use Type L-868 for applications subjected
to aircraft or vehicle loading. Use Type L-869 as a
SECTION 16526A
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