What is Article 400 NEC?
What is Article 400 NEC?
This Article covers the general requirements, applications, and construction specifications for flexible cords and flexible cables. The NEC does not consider flexible cords and cables to be “a wiring method.” Article 400 applies to the cords and cables in Table 400.4, only.
Can you run so cord in a wall?
This is a violation of NEC 400.8(2) since flexible cords are not permitted to be run through holes in walls, structural ceilings, suspended ceilings, dropped ceilings, or floors.
Where flexible cords are permitted by the code to be permanently connected it is permissible to omit for such cords?
receptacles
A receptacle outlet shall be installed wherever flexible cords with attachment plugs are used. Where flexible cords are permitted to be permanently connected, receptacles shall be permitted to be omitted for such cords. (C) Appliance Receptacle Outlets.
What size so cord is rated for 100 amps?
2-gauge
When it comes to the lines connecting master and secondary panels, where the line will carry as much as a full 100 amps, use a 2-gauge non-metallic sheathed electrical cable. The cable must contain one or two hot wires depending on your needs, one neutral wire, and one ground wire. Each wire should be 2-gauge in size.
Can you use so cord for permanent installation?
Section 400.8(1) does not permit flexible cords and cables to be used as a substitute for permanent wiring of a structure. Staples can damage flexible cords and fastenings, so 400.8(4) does not permit these cables or cords to be attached to building surfaces.
Where are electrical receptacles not permitted to be located?
For example, a sun-room in a dwelling has no wall space because of floor-to-ceiling windows. Receptacles are not usually installed in the ceiling because receptacles located more than 5.5 feet (1.7 meters) above the floor cannot be counted as required receptacles.
What do you need to know about article 400?
Article 400 applies to the cords and cables in Table 400.4, but it does not apply to the cables in Chapter 3 (e.g., NM, AC, or MC cable). You must use the right cord (and fittings) for the application. This means you don’t use a dry-rated cord in a wet location.
What is the short title of NFPA 70?
The title of this Codeshall be NFPA 70, National Electrical Code®, of the National Fire Protection Association. The short title of this Codeshall be theNEC®. 80.9 Application.
Are there flexible cord requirements in Article 400?
Flexible cord requirements are in Article 400 and fixture wire requirements are in Article 402. The NEC does not consider flexible cords to be “a wiring method.” That is why they are in Chapter 4 instead of Chapter 3. See the Table of Contents for Chapter 3 and you get an overview of the wiring methods acceptable to this Code.
What are uses not permitted in NEC 400.12?
425 – Fixed Resistance and Electrode Industrial Process Heating Equipment 450 – Transformers and Transformer Vaults (Including Secondary Ties) Purpose of Change – Revisions made to 400.12 include “flexible cords” in the “Uses Not Permitted” section along with flexible cables, cord sets, and power supply cords.
