Posts Tagged ‘Installation’

Wiring in Ducts and Environmental Air Space

Wednesday, June 26th, 2013

This article focuses on permitted wiring methods in environmental air spaces. More specifically, areas above suspended/drop ceilings used for environmental air. Mainly because no wiring of any kind is permitted for ducts for dust, loose stock, or flammable vapors. Even wiring for vapor removal in ducts or shafts for ventilation … more »

Temporary Generator Installation

Monday, January 21st, 2013

When Hurricane Sandy hit the Northeast many were without power. We were called upon to hook up 2,000 KW Generators. They needed to get stores reopened so people could get emergency supplies. Things such as; food, water, flashlights, gas cans, and portable generators. This particular installation was done in New … more »

Mounting Panelboards Horizontally

Tuesday, January 8th, 2013

The top row of circuit breakers in the photo above violates Article 240.81 of the 2011 NEC. They’re operated vertically so they must be “ON” in the up position. When is mounting panelboards horizontally acceptable? To answer the question directly, it is acceptable when there’s no other practical solution. Mounting panelboards horizontally … more »

Markings on a Switch | Basic Switch Markings

Wednesday, November 28th, 2012

Switches are marked with different labels to identify ratings, types, and acceptable wire types. The UL label will also tell you if the device has been tested for safety by an independent testing agency, such as the Underwriters Laboratories. A switch will tell you if it’s approved for alternating current … more »

GFCI Receptacle or a GFCI Breaker?

Tuesday, November 13th, 2012

The question is often asked, whether it is better to install a GFCI receptacle or a GFCI breaker. There are many factors that may weigh into this decision, so let’s take a few minutes to examine the possibilities of each. GFCI receptacles are a great choice in areas like bathrooms, … more »

Dedicated Circuits

Monday, November 12th, 2012

Dedicated circuits are required by the National Electrical Code, but what are they? The code requires that every fixed appliance must be served by a separate  dedicated circuit, not shared by any other appliance. A dedicated circuit is defined as – a circuit that serves only that appliance. These appliances include … more »

Removing a Broken Light Bulb

Saturday, November 10th, 2012

If you’ve ever had a light bulb break off in a socket and didn’t know how to get it out, this might just be the answer. Aside from the bulb breaking being a frustrating event, you lose light and there is a real danger of getting electrocuted if you reach … more »

Battery Backup Garage Door Openers

Wednesday, October 31st, 2012

The use of your garage door makes getting into the garage easy, but what a hassle to have to get out when the power is out to manually lift the door. Then there’s the other problem with getting your car out of the garage without the power to run the … more »