Machine Tool Wire Ampacity

Wdt id gauge construction temp volt flame rating tinned copper stranding nom.

Machine tool wire ampacity.

2 sizes 18 awg 16 awg. Ampacity based on nfpa 79 table 12 5 1 for use with industrial machinery applications. 10 12 and 14awg are 19 strands all others are highly flexible stranding constructions. Mtw wire is sold in 500 foot spools.

Weighing approximately 951 lbs mft these wires are rated for up to 600 volts and have different maximum temperature ratings. Conductor sizes 18 awg through 2 awg. Where would i find ampacity tables for machine tool wire mtw other than in nfpa 79 1997. For use in accordance with the national jacket electrical code nec and nfpa standard 79.

Mtw is ul rated for 600 volts. Control cabinets in machine tool applica tions and in appliance wiring applications. Mtw stands for machine tool wire and as the name implies its primary uses are related to the wiring of machine tools appliances and control cabinets. Ampacities are based on table 310 15 b 16 of the nec 2014 edition.

Voltage rating for all applications is 600 volts. The above data is approximate and subject to normal manufacturing tolerances. Is the higher ampacity determined by the physical characteristics or because the wiring is mostly run inside of control enclosures. Mtw wire tew wire pass the vw 1 flame test and are also moisture resistant.

Of strands insulation thickness overall diameter net weight awg kcm inches mm lbs kft 18strmtw 18 16 0 030 0 76 0 113 2 87 11 16strmtw 16 26 0 030 0 76 0 125 3 18 14 14strmtw 14 41 0 030 0 76 0 139 3 53 20. Encore wire corporation size awg type mtw 600 volts gr i vw 1 ul or awm or c ul type tew ft1 listed. Mtw is a machine tool wire with a bare copper conductor and pvc insulation that is available in a variety of colors for identification purposes. Applications for machine tool wire include use with switchboards appliances electronic circuits and control cabinets and of course the wiring of machine tools.

Diameter min color put up reel reel size put up barrel 12. Why does mtw wire have a higher ampacity rating than standard stranded wire. Certain sizes and colors are also available in 2500 foot reels. Our selection of mtw bare copper and tew tinned copper presents the best wire options for every function.

Badger wire cables machine tool wire.