][2.1.3
Aluminum
Chemical composition as follows:
Zinc
[4.5] [_____] percent maximum
Indium
[0.02] [_____] percent maximum
Silicon
[0.01] [_____] percent maximum
Aluminum
Remainder
Anode Weight [_____] kg [_____] pounds not including core.
]2.1.4
Anode Wires and Core
2.1.4.1
Anode Lead Wires
[UL 83, Type [TW] [THWN] [THHN]] [ASTM D 1248, Type HMWPE (High Molecular
Weight Polyethylene)] [UL 44, Type RHW], [solid] [stranded] copper
conductors, not less than [No. 12] [_____] AWG, [3050] [6100] [_____] mm
[10] [20] [_____] feet long, [of sufficient length to extend to the
accompanying junction box without splicing]. Anode lead wire shall be
factory installed. [Silver solder the lead wire to the anode core, and
seal the soldered connection and recessed end of the anode with an
[asphaltic] [epoxy] dielectric sealing compound.] [Silver solder the lead
wire to the protruding anode core, and completely seal the soldered
connection with an [asphaltic] [epoxy] dielectric material.] Dielectric
material shall extend past the connection and cover the lead wire
insulation by not less than 15 mm 1/2 inch. [Cover the connection with
heat shrinkable tubing.]
2.1.4.2
Anode Core
Iron [galvanized steel] rod [pipe] [strap] [_____], [3] [6.35] [12.7] mm
diameter [_____] x [_____] [1/8] [1/4] [1/2] inch diameter [_____] x [_____].
2.1.5
Anode Backfill
Chemical composition as follows:
Hydrated gypsum -
75 percent
Bentonite clay -
20 percent
Sodium sulfate -
5 percent
Provide granular backfill with 100 percent passing through a 150 micrometers
100 mesh screen. Provide prepackaged anode in a cloth bag containing the
anode and backfill. Center the anode in the firmly packed backfill using
spacers. Overall dimensions of the bagged [7.72] [14.53] [_____] kg [17]
[32] [_____] pound anode shall be [165 by 432 mm] [203 by 535 mm] [_____ by
_____ mm] [6.5 by 17 inches] [8 by 21 inches] [_____ by _____ inches] with
a total minimum weight of [20.4] [33.6] [_____] kg [45] [74] [_____] pounds
nominal.
2.2
ANODE JUNCTION BOXES, BONDING BOXES, AND TEST STATIONS
2.2.1
Flush Mounted Type
NEMA ICS 6. Metallic or non-metallic with terminal board, [5] [8] [_____]
terminal posts [and lockable lid]. A non-metallic enclosure shall be
molded of glass filled polycarbonate and urethane coated or ABS plastic
[and mounted on a 500 mm 18 inch length of PVC conduit]. The unit shall be
SECTION 13110N
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