Infrared Electrical Testing Requirements

More frequent infrared inspections for example quarterly or semiannually should be performed where warranted by loss experience installation of new electrical equipment or changes in environmental operational or load conditions.

Infrared electrical testing requirements.

Level i certification and level ii certification training are both accredited by neta international electrical testing association an accredited standards developer for the american national standards institute ansi. While there is some overlap of topics the standards are different. 70b is the recommended practice for electrical equipment maintenance while 70e is the standard that covers electrical. 5 4 the infrared thermographer will be accompanied by a qualified assistant who is knowledgeable.

Since infrared inspections of electrical equipment will often require a thermographer to come in close proximity to exposed live conductors thermographers must be qualified persons in order to comply with the standard. 1 1 1 this recommended practice applies to preventive maintenance for electrical electronic and communication systems and equipment and is not intended to duplicate or supersede instructions that manufacturers normally provide. The infrared electrical testing allows for inspection of a large amount of electrical equipment in a short time as opposed to the alternative method of physically inspecting and tightening electrical components. The infrared electrical systems survey is typically conducted on an annual basis as part of a regular preventive maintenance program.

Systems and equipment covered are typical of those installed in industrial plants institutional and commercial buildings and large multifamily. 5 3 the infrared thermographer will use thermal imaging and or measurement equipment with capabilities sufficient to meet the inspection requirements. The nfpa and its effect on infrared thermography and your infrared electrical inspection program the two nfpa documents that have changed the face of infrared thermography over the last few decades are nfpa 70b and nfpa 70e. Routine infrared inspections of energized electrical systems should be performed annually prior to shut down.

Since thermography is not construction work part 1910 is the applicable standard for infrared inspection of electrical systems. Itc infrared certification courses meet or exceed asnt snt tc 1a guidelines.