Jim dollard has an extensive background in codes and standards.
Nec cable ties.
We were using metal tie wire that comes in bundles.
Supporting type mc cable are cable ties or ty raps allowed for supporting type mc cable in a ceiling.
Type mc cable with four or less conductors sized no larger than 10 awg must be secured within 12 in.
Uv black cable ties.
It is desirable to develop some standards for this activity.
Different types of ties can be used for different projects.
Not all cable ties are created equal.
Act continually strives to provide you with products that are certified to the highest industry standards.
Changes were made for cable ties used to support nonmetallic sheathed cable.
Nec articles effective january 2017.
This is a decision that must be made by those designing and installing the cable tray wiring systems.
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.
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 nec doesn t specify any distances between ties for cables in cable tray wiring systems.
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.
So it is left to the ahj to determine if the cable ties are acceptable and it seems that is you.
If you have a query about the national electrical code nec jim will help you solve it.
Cable ties also known as wire ties zip ties or ty wraps come in a variety of types and sizes.
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 national electrical code nec outlines specifications for securing nm cable and other electrical wiring.
Answers are based on the 2017 nec.
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.
Of every outlet box junction box cabinet or fitting and at intervals not.
In addition cable ties may also be investigated for smoke and.