If you are looking to remodel, expand or sell your home, there's a good chance you will have a close encounter with your local building code. These laws can be extensive, confusing and change frequently. The code is there for your safety, but it can still be frustrating to deal with. Older homes in particular are likely to have outdated technology that wouldn't pass a current inspection. Before embarking on a project, take time to understand what the laws are and how they can affect you.

What Is Building Code?

Just about anything you want to do to your home beyond cosmetic changes probably has a corresponding law. Building code covers a number of standards mostly related to safety, including but not limited to HVAC, the electric system, plumbing, the structural integrity of the building and fire safety. If you own a rental unit, there are probably additional standards that you are required to meet before accepting tenants.

Of course, specific housing codes vary by municipality, although most are based on models like the International Residential Code and the National Electric Code. Go to your city or town  website or visit the building department for more information. You can also look up many city and municipality codes from around the country on a website called Municode.

Is My Old Electric Wiring Safe?

The electric code is one of the most important pieces of building code, because failing to comply can endanger your home and property. Some common violations include improperly sized connections, overfilling outlet boxes, not properly grounding and not spacing outlets correctly.

Many code problems require only a simply fix, but others can be a much bigger undertaking. For example, old houses may conduct electricity on knob and tube wiring, which became obsolete in the 1940s. This type of wiring can put your home at risk and isn't equipped to handle high power loads typical in modern homes. If you still have knob and tube, you may discover an expensive upgrade is necessary when it's time to sell the house.

The laws governing electric systems are complex and confusing to many homeowners. The national code on which most cities base their own laws is 1,000 pages long -- far more than the average home DIY-er is able to digest. You could inadvertently run afoul of the law by doing something as simple as replacing a light fixture without upgrading the wiring to the most recent standards. It’s wise to consult a qualified electrician before undertaking a project  so you don’t find yourself in over your head – and on the wrong side of the law.

What if I'm Out of Compliance? 

If you have an older home that doesn't meet the current laws, don't panic. Usually older buildings are grandfathered in when the codes are updated. However, if you want to modify or replace parts of the house, you might be required to do additional work to bring any outdated aspects into compliance.

Do your research so you understand when you need to pull a permit or bring in a city inspector. Talk to local officials up front so they can help you understand how to proceed. When in doubt, hire a qualified professional experienced in local housing laws to let you know where you are up to code and in what areas you fall short.

Your local Mister Sparky® electricians are always here to help. We can advise you on bringing your home into compliance with local laws and do the work for you. Give us a call for more information.

The Seattle Mariners may have just upped their game when they retrofitted their clubhouse with an LED lighting strategy focused on intensifying the moods, energy levels and performance of their players.

In an article published in Architectural SSL, Stan Walerczyk highlights five core areas of our life where lighting effects human physiology and performance:

Circadian Rhythms — a case study by Ephesus Lighting, when the University of Phoenix replaced their metal halide fixtures with LEDs, they experienced a 75% reduction in energy consumption, a statistic that probably took the sting out of the initial investment. The long-term benefits of LED lighting (less maintenance, a reduced carbon footprint) offer less in the form of immediate gratification, but trickle their gifts throughout future generations.

Skip all the site hopping and countless hours in department stores; finding the perfect gift doesn’t have to be a hassle. We’ve put together a list of the best LED Christmas gifts for mom, dad, brother, sister, and any friend or family member. From custom-printed LED panel lights to rechargeable LED flashlights—we’ve got a great mix of LED lighting products that are sure to be a hit.

This LED strip light kit is great for cabinet lighting, under-cabinet lighting, cove lighting, bookshelf lighting, and any other hard-to-light space. The weatherproof kit comes with everything needed for installation: a 16 1/2″ plug-and-play LED light strip, push-button dimmer, remote, UL-Listed 12V power supply, and connection accessories. Designed to last 30,000 hours, the LED light strip is available in cool white, natural white, or warm white colors.

Perfect for students or late-night workaholics, this long-lasting LED desk lamp offers a lot in the way of customization. Four dimming levels (up to 170 lumens) are available at the tap of its touch-activated button, and the sleek LED lamp is fully adjustable for the perfect amount of light right where it’s needed.

This REDLINE® RC™ Rechargeable LED Flashlight is a gift that keeps on giving. Powered by a lithium-ion battery, the compact flashlight emits up to nine hours of powerful illumination, and its MagDock magnetic docking station provides a full charge in just two hours. Four different light intensities are available along with a strobe mode and 4x adjustable zoom. This durable little light is water and impact resistant with a non-slip grip, magnetic base, and an attached lanyard.

If you have questions, don’t hesitate to call us toll free at 866-590-3533. Our customer service and technical support teams are available from 8:30 a.m. to 8 p.m. CDT Monday-Thursday and 8:30 a.m. to 4 p.m. CDT on Friday.

constant-current LED driver or constant-current driver is used to regulate the amount of current that is supplied to an LED or LED array to maximize LED lifetime. If current is not regulated, LED brightness can fluctuate and life span can be shortened. The constant-current driver is used for LEDs or light fixtures that require a stable output current and operate within a range of voltages. Most finished LED products already have a constant-current driver or resistors to regulate current. If you’re building an LED fixture or replacing a constant-current driver, it’s important to verify that the output current and voltage of the driver is compatible with the LEDs’ current and voltage. If your LED product already has a constant-current driver or uses resistors in the LED array, you might need a constant-voltage power supply.

If your LEDs are dimmable and you want to change their brightness, choose a Magnitude Dimmable Power Supplies. These dimmable power supplies work by varying the power on the AC input side of the power supply by means of a TRIAC dimmer. This change in power on the AC input side will vary the voltage on the DC output side and control the intensity of the LEDs. TRIAC dimmers are common hardware store and household dimmers, which include brand names such as Lutron and Leviton.

Pulse-Width Modulation Dimming: Pulse-width modulation (PWM) dimming can be used to control dimmable power supplies such as Mean Well LPF Series. This type of dimming control adjusts the output current based on the duty cycle. As the duty cycle increases, current will increase and the LEDs will be brighter. Conversely, if the duty cycle decreases, the current will decrease and the LEDs will be dimmer. Pulse-width modulation for these drivers is based on a 10-volt signal level with a frequency between 100Hz-3KHz. The MLD-5A are compatible for this application.

Resistive Dimming: Resistive dimming can be used to control dimmable power supplies such as 12-Volt Mean Well HLG-40-240 Series or 12-Volt Mean Well HLG-600 Series or here.

The efficiency of a power supply or driver indicates the percentage of power that goes toward making your LED product function. An efficiency of 80 percent or higher is recommended for operating LEDs. 

When choosing a driver or power supply, the size of an LED product’s housing or area of installation is important. If you wish to put a constant-current LED driver inside of a product, the driver must be small enough to fit in the product’s housing. Similarly, if the driver or power supply is used outside of the product’s housing, it should fit the area of installation. Drivers and power supplies are available in a variety of sizes to suit your needs.

A Class 2 driver or power supply is in accordance with limited power levels defined by the National Electric Code (NEC) and fulfills the requirements of Standard UL 1310. Output is limited to 60 volts DC and 100 watts. Because power sources with this rating have limited output, it might not be possible to power as many LEDs or lights as those that don’t have a Class 2 rating. However, these power supplies and drivers provide protection from fire and electric shock.

A Class II rating refers to a double insulation layer between AC input and DC output wires. These drivers and power supplies do not require a ground connection.