Cut Sheet

Effective September, 2005
Copyright 2005
800-621-1506
www.appletonelec.com
PAGE 23
M- 23
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Ordering Information:
EFD Cast Device Boxes; Blank Bodies
for Brazed Threaded Hubs
Single, Two, Three, Four and Five Gang Boxes.
Brazed Threaded Hubs for Rigid Conduit, 1/2” thru 1”;
Brazed Union Hubs, 1/2” thru 1”.
Determine catalog number as follows:
(1) select EFD device box catalog num-
ber; (2) select “Standard Hub Arrange-
ment Diagram” number; and (3) select
symbols that represent hub sizes from
“Symbol Table.” (Use “0” where no hub
is required, and separate the various
divisions of the complete catalog num-
ber by dashes.)
Example
The blank body device box selected
is EFD3NL and the hub arrangement
is diagram #8. Hub “a” is to be 3/4”
BRAZED THREADED; hub “b”, 1”
BRAZED THREADED; hub “c”, 3/4”
BRAZED THREADED; hub “d”, no hub
is required; and hub “e”, 1” BRAZED
UNION. The complete catalog number
will be:
EFD–3NL–8–2320T
Symbol Table
Brazed Brazed
Hub Threaded Union
Size Hub Hub
(Inches) Symbol Symbol
Blank 0 0
1/2 1 1E
3/4 2 2E
1 3 3E
Standard Hub Arrangement Diagrams
Hub “a” is always TOP of box
Two, Three, Four and Five Gang (Front View)
If a “Standard Hub Arrangement” is not suitable for the application, or when hubs
are to be more accurately spaced, submit sketch locating hubs (1) from centerlines
of walls and (2) from outside back of box (or from mounting lug surface if lugs
are supplied).
All hubs will be located in centerlines of walls and evenly spaced unless
otherwise specified.
Single Gang (Front View)