Mark Lamendola

Read electrical equipment safety labels
Tip of the Week: Read All Labels 1
Read before you make measurements with your digital multimeter
Tip of the Week: NFPA 70 1
Meet the minimum requirements of this standard
Tip of the Week: NFPA 70E
Tips on why to own a copy of this standard
Easy Energy Savings, at Your Service
Squeezing energy savings out of your electrical service
A Love-Hate Relationship with Electrical Testing
Learn to be passionate about your electrical testing duties.
The Power of Professionalism 2
The manner in which you and your employees present themselves is crucial to your business success.
Implied Impedance 1
Basic mathematical equations and how you might apply them in the field.
Tip of the Week: Motor Maintenance
Tips to keep your motors running smoothly
Article 625: Electric Vehicle Charging Systems  1
Article 625 provides the installation requirements for conductors and equipment that connect an electric vehicle to an electric supply.
The Basics of Electrically Driven Irrigation Equipment 
Irrigation machines, by definition, contain at least one motor [675.2] and thus are special case motor applications. This means Art. 430 applies, except as modified by Art. 675.
Lifting Your Knowledge Level of Cranes and Hoists 

Electric cranes and hoists are ubiquitous (see Photos), but the NEC considers them to be “special equipment.” Though Art. 610 says it covers cranes, monorail hoists, hoists, and runways [610.1], it doesn’t define them in 610.2 (nor does Art. 100 define them).

Full Coverage of Combustible Coating Equipment 
Article 516 of the NEC applies to things you use every day. Walk into your kitchen for example.
NEC Electrical Requirements for Prefabricated Homes  1
Article 550 generally includes manufactured homes in the term “mobile home” [550.2].
Making Your Way through the Entertainment Industry 
Most of the Art. 520 requirements are in one of four Parts (II, III, IV, and V). Part I provides the general requirements. Part VI provides requirements specifically for dressing rooms, and Part VII is a paragraph we’ll discuss last.
Energy Management Systems and the NEC  1
Not that long ago, it took some doing to convince a building owner to pay for even low-cost energy-saving measures.
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