Of every outlet box junction box cabinet or fitting and at intervals not.
Nec cable ties.
Cable ties also known as wire ties zip ties or ty wraps come in a variety of types and sizes.
This is a decision that must be made by those designing and installing the cable tray wiring systems.
Uv black cable ties.
Damage could occur from other trades working on the piping systems.
If you have a query about the national electrical code nec jim will help you solve it.
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.
The national electrical code nec outlines specifications for securing nm cable and other electrical wiring.
Jim dollard has an extensive background in codes and standards.
Not all cable ties are created equal.
Act continually strives to provide you with products that are certified to the highest industry 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.
Different types of ties can be used for different projects.
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.
Answers are based on the 2017 nec.
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 nec doesn t specify any distances between ties for cables in cable tray wiring systems.
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.
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.
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.
Nec articles effective january 2017.
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.
In addition cable ties may also be investigated for smoke and.
