Our offices will be closed Friday, July 3rd, for Independence Day
FedEx shipped orders placed by 6:00PM ET on Thursday, July 2nd, will ship same day (if paid by Credit Card or PO account in good standing). Other shippers & drop-shipped items have earlier cutoffs (see shipping policies for details). Orders placed after the Thursday cutoff, will process on Monday, July 6th.
AutomationDirect offers three insulation types of electrical copper wire for industrial applications
MTW Machine Tool Wire - 10, 12, 14, 16, 18 AWG
TFFN Fixture Wire - 16, 18 AWG
THHN General Purpose Building Wire - 4, 6, 8, 10, 12, 14 AWG
Now in 500 ft. and 2,500 ft. spool and reel lengths
Electrical Wire Available from AutomationDirect
Insulation Type - MTW
Type MTW conductors are primarily used
in control cabinets, in machine tool applications
and appliance wiring applications
at temperatures -25°C to 90°C. MTW wire
complies with the National Electrical Code
(NEC) and NFPA Standard 79. Voltage
rating for all applications is 600 volts.
Insulation Type - TFFN
Type TFFN (stranded) conductors
are primarily used as fixture
wire as specified by the
National Electrical Code (NEC),
at temperatures not to exceed
90°C in dry locations. Voltage
rating is 600 volts.
Insulation Type - THHN
Type THHN building wire is intended for
general purpose applications. It is
appropriate for new construction or
rewiring for 600 volt applications. When
used as type THHN, the conductor is suitable
for use in wet or dry locations at
temperatures not to exceed 90°C or not to
exceed 75°C in oil or coolants.