Nec Cable Ties

Different types of ties can be used for different projects.

Nec cable ties.

Not all cable ties are created equal. Cable ties also known as wire ties zip ties or ty wraps come in a variety of types and sizes. Jim dollard has an extensive background in codes and standards. 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.

Nec articles effective january 2017. Supporting type mc cable are cable ties or ty raps allowed for supporting type mc cable in a ceiling. It is desirable to develop some standards for this activity. In addition cable ties may also be investigated for smoke and.

We were using metal tie wire that comes in bundles. Type mc cable with four or less conductors sized no larger than 10 awg must be secured within 12 in. 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. If you have a query about the national electrical code nec jim will help you solve it.

So it is left to the ahj to determine if the cable ties are acceptable and it seems that is you. Answers are based on the 2017 nec. This is a decision that must be made by those designing and installing the cable tray wiring systems. 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.

Damage could occur from other trades working on the piping systems. 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. 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 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.

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. The national electrical code nec outlines specifications for securing nm cable and other electrical wiring. The nec doesn t specify any distances between ties for cables in cable tray wiring systems. Of every outlet box junction box cabinet or fitting and at intervals not.