Energy and Power
31 Common Household Circuit Wirings You Can Use For Your Home
The circuit wirings in this article show the most common wiring variations for typical electrical devices. Most new wiring you install will match one or more of the wirings shown. Find the wirings that match your situation and use them to… Read more
Jun 14, 2016 | By Edvard Csanyi
Energy and Power
31 Common Household Circuit Wirings You Can Use For Your Home (2)
1st part | 2nd part | 3rd part The list of the next ten household circuit wirings: Double receptacle circuit with shared neutral wire (receptacles alternate circuits) Double receptacle small-appliance circuit with GFCIs & shared neutral wire Double receptacle small… Read more
Jun 14, 2016 | By Edvard Csanyi
Energy and Power
31 Common Household Circuit Wirings You Can Use For Your Home (3)
1st part | 2nd part | 3rd part The list of the last eleven household circuit wirings: Three-way switches & light fixture (fixture at start of cable run) Three-way switches & light fixture (fixture at end of cable run) Three-way… Read more
Jun 14, 2016 | By Edvard Csanyi
Energy and Power
Guidelines To Residential Room Lighting
Architects of development houses usually select the locations for switches, receptacles, and luminaires at a quality and price level determined by the builder. However, purchasers of architect-designed, custom-built homes usually have an opportunity to decide on the selection of luminaires… Read more
Sep 18, 2015 | By Edvard Csanyi
Energy Efficiency
7 key steps in lighting design process
To achieve the best overall outcome in a lighting installation, it is important to avoid the tendency of rushing straight into luminaire selection before determining more broadly what is required from the system. The use of a structured design process… Read more
Aug 03, 2015 | By Edvard Csanyi
Energy Efficiency
7 energy-efficiency improvement opportunities in lighting system
There are a lot of opportunities to optimise lighting system in (almost) any industrial facility. Seven practical energy-efficiency opportunities to reduce energy use cost-effectively are given below: Lighting controls Replace T-12 tubes by T-8 tubes Replace mercury lights with metal halide or… Read more
Jul 29, 2015 | By Edvard Csanyi
Industrial Automation
Let’s develop the simple PLC program for lighting control system
A lighting control system is to be developed. The system will be controlled by four switches, SWITCH1, SWITCH2, SWITCH3, and SWITCH4. These switches will control the lighting in a room based on the following criteria: Any of three of the… Read more
Jul 06, 2015 | By Edvard Csanyi
Electric Motor
8 NEC Basic Feeder Circuit Sizing Requirements
Once the branch circuit loads are calculated, the feeder circuit loads may be calculated by applying demand factors to the branch circuit loads. General Lighting Loads (Article 220.42) Show window or track lighting (Article 220.43) Receptacles in other than dwelling… Read more
Dec 17, 2014 | By Edvard Csanyi
Energy Efficiency
An example of calculating the number of indoor lighting fixtures
These are the input data for the following calculation: An office area has length: 20 meter; width: 10 meter; height: 3 meter. The ceiling to desk height is 2 meters. The area is to be illuminated to a general level… Read more
Aug 18, 2014 | By Jignesh Parmar
Lighting
Visual Tasks of Typical Living Room Lighting
Most living rooms require flexible lighting design solutions because they serve a broad variety of changing functions. The lighting in a typical living room should comfortably serve small group conversation, larger social gatherings that include casual eating and drinking, and… Read more
Apr 17, 2013 | By Edvard Csanyi
Lighting
Hospitality lighting design, Why it matters
The hospitality business involves serving people and giving them enjoyment. From restaurants to hotels, resorts, and even theme parks, facilities are designed with the intent of transporting guests from the world of the ordinary to a special time and place…. Read more
Mar 23, 2013 | By Edvard Csanyi
Energy Efficiency
Brightness, Lamp Life and Efficiency of LED Fixtures
A typical LED fixture comprises four major component parts: an LED emitter, the fixture’s heat sink, driver and dimming control, and augmenting optics. The emitter includes the die, a thermal heat sink, lens, and outer package (Figure 1). The die… Read more
Jan 03, 2013 | By Edvard Csanyi
Energy and Power
Lighting Circuits Connections for Interior Electrical Installations (3)
Continued from 2nd part: Lighting Circuits Connections for Interior Electrical Installations (2) The main reason for installing an emergency lighting system is to enable the building to meet fire safety legislation in a way that is visually acceptable and meets… Read more
Jan 02, 2013 | By Emmanouil Angeladas
Lighting
Lighting Circuits Connections for Interior Electrical Installations (2)
Continued from first part: Lighting Circuits Connections for Interior Electrical Installations In modern internal electrical installations, domestic and professional, there is a need for lighting installations in staircases and installation of emergency lighting that will operate in the event of interruption… Read more
Dec 31, 2012 | By Emmanouil Angeladas
Lighting
Lighting Circuits Connections for Interior Electrical Installations
Electrical lines which include lighting circuits begin from the main distribution panel of the installation and each line contains three conductors: phase, neutral and ground. All three conductors reach to the terminal point of each luminaire and if it has… Read more
Dec 07, 2012 | By Emmanouil Angeladas
