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Monday, April 24, 2017

Monthly Archives: March 2001

Sign Fires

Those installing and inspecting electrical installations according to the provisions of the National Electrical Code might wonder from time to time how important are...

Over 600 Volts

An inspector’s first look at the service shown above seems to show a relatively simple 120/240-volt single-phase service. It seems to include a service...

Performance Testing Requirements for Ground Fault Protection Equipment

Two types of ground-fault protection are required by the Code: ground-fault circuit interrupter protection (GFCI) and ground-fault protection of equipment (GFPE). A ground-fault circuit...

“High Voltage” Systems and Safety

Most people in the non-utility side of the electrical industry are very familiar with the design, installation and inspection of electrical systems rated 600...

Yes, It’s Worth It

Electrical inspectors sometimes struggle with the question of whether or not it is worth the effort to stay in the profession and do their...

Emergency Systems

When required by the National Building Code of Canada, the Canadian Electrical Code, Section 46, Emergency Systems, Unit Equipment and Exit Signs provides installation...

UL Can Help Determine Equipment Replacement During Natural Disasters

Question: Listing mark Recently, I came across a Listing Mark on an electrical power cord, which indicated that "only the Listed Power Supply Cord” was...
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