User`s guide

User’s Guide — 55
Finding Number of Wires in Ex-
isting Conduit — Same Size,
Various Types
Find the maximum number of #10
THHN copper wires that can be pulled
through an existing 3” EMT conduit.
How many XHHW wires? How many
THW wires?
Steps Keystrokes Display
Clear calculator [On/C] [On/C] 0.
Enter cond. type 1 [Set] [CondSz] EMT
nonE COND
Enter wire size 10 [WireSz] 10 CU
AWG WIRE SIZE
Enter conduit size 3 [CondSz] 3.00 in
EMT COND SIZE
Find max THHN # [#THHN] 167.
THHN TTL WIRES
Find max XHHW# [#XHHW] 145.
XHHW TTL WIRES
Find max THW # [#THW] 145.
THW TTL WIRES
Finding Conduit Size - Multiple
Conductors Different Wire Sizes
& Types
Three 1/0 THWN 75°C conductors and
one #2 XHHW 75°C copper conductor
are to connect to a panel board using a
single conduit. What is the cross-
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