Can so cord be used as permanent wiring?
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.
When a single receptacle is installed on an individual branch circuit the receptacle must have a rating?
ampere rating
A single receptacle installed on an individual branch circuit shall have an ampere rating not less than that of the branch circuit. Exception No. 1: A receptacle installed in accordance with 430.81(B).
Is a cord and plug a device?
Cord-and-plug equipment refers to any electrical utilization equipment that uses a flexible cord and an attachment plug to connect to a source of hazardous energy. Cord-and-plug equipment is exempt from LOTO controls when: All hazardous energy is controlled by unplugging the equipment, and.
What is the most frequent violation of OSHA electrical standards?
Lockout/Tagout, Electrical Wiring Methods, and Electrical General Requirements are Three of the Most Violated Standards.
Can you run so cord through a wall?
It is perfectly safe to run most cables through a wall! Really, the only cable you absolutely should not run through a wall is a standard power cable that plugs into an outlet. They can cause electrical fires if there is a cut or another issue with the cable or device.
How many outlets can be lighted on one branch?
Although there’s no limit on the number of lighting and/or receptacle outlets on dwelling general-purpose branch circuits, the NEC does require a minimum number of circuits to be installed for general-purpose receptacles and lighting outlets [210.11(A)].
Is a duplex receptacle considered two receptacles?
This means a duplex receptacle is considered two receptacles. Where connected to a branch circuit that supplies two or more receptacles, the total cord- and plug-connected load must not exceed 80% of the receptacle rating. A duplex receptacle has two contact devices on the same yoke [Art. 100].
What is a dead front GFCI?
It looks like a push-button wall switch to some people, but is actually a Ground Fault Circuit Interrupter (GFCI) device that provides shock protection for a remote appliance or receptacles, and is called “dead front GFCI” or sometimes “blank face GFCI.” One is shown above at left, next to a regular GFCI receptacle on …
What is the end of a cord called?
When referring to cables, the connector is the end of the cable that connects into a port.
Does the NFPA allow quotes for NEC Article 422?
While the NFPA does allow such quotes, it does so only for the purposes of education regarding the National Electrical Code. This article is not a substitute for the NEC. These are the 10 NEC Article 422 items we deem most important, based on the pervasiveness of confusion and the potential costs of same.
Which chapters of the NEC apply to your installation?
The first four Chapters of the NEC apply to all installations. Article 90 precedes Chapter One, and establishes the authority of the NEC. Article 80 follows the body of the NEC; it exists as Annex H. It provides the requirements for administration.
When are demand demand factors permitted under NEC®?
Demand factors are permitted if authorized in other sections of the NEC®. A unit switch or switches that is part of the appliance can be considered the disconnecting means for the appliance if it has a position marked “off,” disconnects all ungrounded conductors and other disconnecting means are installed as follows:
What does Article 80 of the NEC cover?
Article 80 follows the body of the NEC; it exists as Annex H. It provides the requirements for administration. Chapters 5, 6, and 7 are the “special” chapters, covering special: occupancies, equipment, and conditions (in that order). Chapter 8 provides the requirements for communications systems.