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<br />END VIEW
<br />
<br />BOX NO,'
<br />
<br />---4;"------
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<br />Drill and
<br />fap"6-32"
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<br />P LAN
<br />
<br />BOX NO,2
<br />
<br />---~-- --------
<br />FIi/lapped holes i
<br />with hard oil. ----~..:.. ~---
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<br />SECTION Z-Z
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<br />SIDE VIEW
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<br />
<br />COVER
<br />
<br />FOR BOX NO.2
<br />No 14 U.S G STEEL
<br />
<br />Provide complete wilh four No 6-3211" long
<br />filllslerheod slalnless steel screws
<br />
<br />220
<br />
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<br />-4;;----
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<br />BOX NO.3
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<br />ADAPTER PLA TE
<br />
<br />FOR BOX NO.2
<br />NO.12 U.S.G STEEL
<br />
<br />Provide complete with four No, 6 -32 1 F long
<br />flat head stainless steel screws, and Iwo
<br />No 8-321 i "10M) filllster head stainless
<br />steel screwS.
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<br />SPECIAL PIPE PLUG
<br />(Insloll 01 hub 'A')
<br />
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<br />
<br />SIDE VIEW
<br />
<br />,.
<br />.
<br />
<br />NOTES
<br />
<br />Bores sholl bemade of CAST AL VII/HUM ALLor, or CAST IRON, as specified
<br />in the inVitO/Ion forbids. Cosl aluminum boas shall be m accordance
<br />with FederalSpeclf/catlan QQ-A-60/, class 2. Cost Iron boxes sholl be
<br />m accordance wilh Federal SpeClficollon QQ-I-65Z, and sholl be lIat-
<br />dipped galvonlzed.
<br />Fille!s shall lIave ~"maxlmum radius.
<br />Hubs at A:.B~"C~"D: and "f"shall be drilled and tapped for /"candull,andeoch
<br />hub prOVided wllh a square head pipe plug_ The hub of "A" sha /I be
<br />prOVided With the special pipe plug drilled and lapped for l"flxture
<br />s/ud.
<br />Conduil en/rances sholl be lapped from the au/side of the bOI with
<br />Amen con Na/lonollaper pipe threods so that the end of the Installed
<br />condUit IS flush wl/h the mtenor wall of the box
<br />The loco tlon of the":e6-3z.screw holes shall be suI/able /oaccomodale
<br />stando rd sw" ch es, plug reap tacles, and t he caver or ado pIer plate
<br />shown on this draWing.
<br />Covers shall be furnished With Iwo coals of grey elasllc shop pamt.
<br />Adapter plate shall be hal-dipped galvanized.
<br />
<br />.. -11-'0 REPUCEO
<br />,-
<br />
<br />UN/rED STATES
<br />DEPARTMENT OF THE INrER/OR
<br />BU"EAU OF "EC;L~MAnDN
<br />
<br />OF'F'ICE OF THE CHIEF ENGINEER
<br />
<br />LIGHTING INSTALLATION
<br />STANOARO CAST BOXES
<br />
<br />::::::;+~l~~;:~~:,:::::~::~~;~~~~:;~~~~~,~, '::-
<br />--~-c-T-ii;;~i;-.-;.;';iiii; ---.---
<br />
<br />.W1.... M...' $ iT:
<br />
<br />OCNVC".COLO"""O ..."c:H 1.,'.3.
<br />
<br />40-0-2173
<br />
|