Electical Contractor

Disconnect for Hot Tubs, GFCIs in Kitchens and Mor

| December 2003

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Codes & Standards

This is the conclusion of a two-part article that began in the November issue. This part provides important information for listing and National Electrical Code requirements for installations of emergency, legally required standby and optional standby systems.

| December 2003

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Codes & Standards

CODE CITATIONS Article 210 Branch Circuits Article 250 Grounding Article 408 Switchboards and Panelboards Article 430 Motors, Motor Circuits and Controllers Article 680 Swimming Pools, Fountains and Similar Installations Volume One of the 2003 edition of the Fire Resistance Directory published by Un

Certifiably Good

Kellie K. Speed

Derating Conductors in a Raceway and More

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Codes & Standards

Many of today’s electrical contractors are constantly trying to expand their offerings. In an effort to increase their marketability, these contractors are seeking certifications to broaden their knowledge base.

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Systems

CODE CITATIONS Article 220 Branch-Circuit, Feeder and Service Calculations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 404 Switches Article 410 Luminaires (Lighting Fixtures)

Standby Systems, Part I

Branch Circuits: Required Lighting Outlets, Part VII

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Codes & Standards

This is the first of two parts about installing emergency, legally required and/or optional standby systems. This first part will cover the basics of the three systems and the second part will cover requirements for transfer equipment.

Branch Circuits: Required Lighting Outlets, Part VI

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Your Business

210.70(A)(2) Lighting Outlets Required Lighting outlet and wall switch provisions for dwelling units, guest rooms (hotel, motel and similar occupancies) and certain areas in non-dwelling occupancies are covered in 210.70(A) through (C).

Lubrication Rooms with Pits, Receptacles Above Suspended Ceilings and More

| October 2003

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Codes & Standards

210.70(A)(2) Lighting Outlets Required Branch circuit requirements are covered in Article 210 of the National Electrical Code. Part III of Article 210 covers required receptacle outlets and lighting outlets.

Installing Smart Switches

| October 2003

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Systems

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 250 Grounding Article 310 Conductors for General Wiring Article 400 Flexible Cords and Cables Article 406 Receptacles, Cord Connectors and Attachment Plugs (Caps) Arti

| October 2003

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Your Business

Many new concepts in lighting control ARE being used by designers and electricians, while other new designs are still relatively unknown.

Lamps in the Damp

Disconnect for Ranges, Wiring a Pool Pump Motor and More

| September 2003

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Codes & Standards

Article 410 in the National Electrical Code (NEC) covers the installation of the wiring and the equipment forming the parts of lamps, luminaires (fixtures) and lampholders.

Branch Circuits: Required Lighting Outlets, Part V

| September 2003

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Your Business

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 250 Grounding Article 334 Nonmetallic-Sheathed Cables: Types NM, NMC and NMS Article 422 Appliances Article 517 Health Care Facilities Article 680 Swimming Pools, Fountains and Similar Installations Grounding a feeder circ

Branch Circuits: Required Lighting Outlets, Part IV

| September 2003

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Your Business

Article 210 210.70(A)(2) Lighting Outlets Required Article 210 covers branch circuits except for branch circuits that supply motor loads only. Motor load provisions are covered in Article 430.

Receptacles in Wall Spaces, Insulating Bushings an

| August 2003

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Codes & Standards

210.70(A)(2) Lighting Outlets Required Requirements specifying wall switch-controlled lighting outlets (or receptacles) are covered in 210.70. This section contains three subsections: dwelling units, guest rooms and other than dwelling units.

Supplemental or Supplementary?

| August 2003

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Codes & Standards

CODE CITATIONS Article 210 Branch Circuits Article 220 Branch Circuits, Feeder and Service Calculations Article 250 Grounding Article 320 Armored Cable Article 410 Luminaires (Lighting Fixtures), Lampholders and Lamps Article 430 Motors, Motor Circuits and Controllers Volume 1 of the Fire Resistance

Branch Circuits: Required Lighting Outlets, Part III

| August 2003

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Your Business

Supplemental and supplementary grounding electrodes are very similar in name but vastly different in their permitted uses. Understanding the differences in these two electrodes can be critical in providing a safe, Code-compliant installation.

Manufactured Wiring Systems, Receptacle Locations and More

| July 2003

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Codes & Standards

210.70(A)(1) Lighting Outlets Required Lighting outlet requirements are covered in the last section of Article 210. Branch circuits supplying lighting outlets must be installed in accordance with the provisions in 210.70(A) through (C).