Those installing and inspecting electrical installations according to the provisions of the National Electrical Code might wonder from time to time how important are these rules? When discussions turn to, “You are overreacting to these small discrepancies!” or “What are the fire or shock hazards associated with this violation?” it is sometimes difficult to know [...]
(No Ratings Yet)
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 interrupter is intended to protect persons against shock and electrocution. As implied by its name, ground-fault protection of equipment protects equipment from damaging line-to-ground faults. More detailed definitions of these devices [...]
(1 votes, average: 4.00 out of 5)
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 entrance riser, a service entrance wireway, and four 200-ampere fused disconnects, fused at 150 amperes. Disconnects are marked “Suitable for Use as Service Equipment.” Each disconnect has a tap to the [...]
(No Ratings Yet)
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 volts or less; primarily because these systems are numerous, and these people work with them daily. The one exception is the sign industry where higher voltages are used primarily for neon [...]
(No Ratings Yet)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 covered. We thought that marking requirements no longer applied to power cords. Can you please clarify?
(No Ratings Yet)When required by the National Building Code of Canada, the Canadian Electrical Code, Section 46, Emergency Systems, Unit Equipment and Exit Signs provides installation and maintenance requirements for standby power for essential services when the regular power supply fails. Other sections of the code contain some requirements as well, including Section 32, Fire Alarm Systems [...]
(No Ratings Yet)Electrical inspectors sometimes struggle with the question of whether or not it is worth the effort to stay in the profession and do their part to make electrical energy safer for use by the public. The challenges to become qualified and maintain the necessary training to stay competent are significant. It is time consuming and [...]
(No Ratings Yet)
IAEI, as the keystone of the electrical industry, is a membership driven, non-profit association promoting electrical safety throughout the industry by providing premier education, certification of inspectors, advocacy, partnerships and expert leadership in Electrical Codes and Standards development.
Bad Behavior has blocked 2540 access attempts in the last 7 days.