Nec Cable Ties

It is desirable to develop some standards for this activity.

Nec cable ties.

Type mc cable must be supported and secured by staples cable ties straps hangers or similar fittings designed and installed so as not to damage the cable. Nec articles effective january 2017. Changes were made for cable ties used to support nonmetallic sheathed cable. So it is left to the ahj to determine if the cable ties are acceptable and it seems that is you.

300 22 c1 ah 2 320 30 a armored cable type ac 328 30 medium voltage cable type mv 330 30 metal clad cable type mc 334 30 non metallic sheathed cable. Type mc cable with four or less conductors sized no larger than 10 awg must be secured within 12 in. We were using metal tie wire that comes in bundles. Different types of ties can be used for different projects.

From the stainless steel cable tie for low or high temperature projects to the releasable zip tie you will find all the durable highly reliable cable ties and related accessories. In addition cable ties may also be investigated for smoke and. The investigation of cable ties to ansi ul 62275 cable management systems cable ties for electrical installations generally includes flammability installation minimum and maximum operating temperature minimum installation temperature and mechanical property considerations. The most common method used to secure and support nonmetallic sheathed cables is staples but the nec also allows cable ties straps hangers or similar fittings.

Supporting type mc cable are cable ties or ty raps allowed for supporting type mc cable in a ceiling. Jim dollard has an extensive background in codes and standards. Most local building authorities follow the nec recommendations but in any case the local rules are the ones you must follow and they are the specific requirements you must meet to pass inspections. Uv black cable ties.

Of every outlet box junction box cabinet or fitting and at intervals not. Answers are based on the 2017 nec. There were some public inputs submitted to article 330 for the 2017 nec that could be related to your question so you might want to review that after the 1st draft report is. The national electrical code nec outlines specifications for securing nm cable and other electrical wiring.

Cable ties also known as wire ties zip ties or ty wraps come in a variety of types and sizes. Damage could occur from other trades working on the piping systems. The nec doesn t specify any distances between ties for cables in cable tray wiring systems. If you have a query about the national electrical code nec jim will help you solve it.