Most Common Installation Deficiencies

State of New Hampshire 2002

Credit: http://www.nh.gov/electrician/concerns_2002.html

The Board welcomes any input from instructors, inspectors, licensees and other concerned parties relative to this list or any other items of concern. To view the deficiencies and examples for each deficiency, please ‘control/click’ on the light bulb for the appropriate deficiency.

 1.) A grounding electrode conductor that is attached to the grounded conductor or equipment grounding terminal bar of a remote panelboard.
 2.) The bonding of metal water piping in the vicinity of separately derived systems.
 3.) The non-use of expansion fittings in Rigid Non-Metallic (PVC) conduits that are subject to thermal expansion and contraction.
 4.) The improper supporting and securing of Rigid Non-Metallic (PVC) raceways.
 5.) The non-use of expansion fittings on conduits emerging from the earth that are attached to fixed equipment and are installed in locations that are subject to ground movement.
 6.) The improper installation and securing of expansion fittings in runs of Rigid Non-Metallic (PVC) Conduit.
 7.) The lack of "in use" type covers on outdoor receptacles.
 8.) Use of electrical equipment without following the manufacturer's installation instructions.
 9.) The non-bonding of service raceways and equipment.
 10.) The non-use of a locking type disconnect for submersible well pump motors.
 11.) The improper connection of septic pumps.
 12.) The spaces about electrical equipment.
 13.) The improper supply for emergency unit equipment.
 14.) Failure to re-identify the white conductor in cables installed for the purpose of switching, employing the white conductor as an ungrounded conductor.
 15.) Swimming Pool filter motors with attached cords that contain an equipment grounding conductor smaller than 12 AWG.
 16.) Portions of raceways installed connecting varying temperate atmospheres without vapor transfer seals.

 

Mike Holt’s Comment: What an outstanding service by the State of New Hampshire. These guys really have it together. Be sure to ‘control/click’ each of the light bulbs for the technical details.