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Section 2: Protection
This section covers the following topics:
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2.1
Protecting Equipment Systems
Electrical equipment is susceptible to damage from a variety of natural and man-made
phenomena. In addition to wind, rain and fire, the most common types of system and equipment-
damaging phenomena are lightning, power faults, communication surges, noise and other
electrical interference caused by devices such as radios, welders, switching gear, automobiles, etc.
Additionally, there are problems induced by geophysical electrical potential and noise plus things
that are often beyond our wildest imagination.
Quality is Conformance to Requirements
A quality equipment system is one that works reliably, safely and as purported by its manufacturer
(and in some cases by the system integrator) as a result of good equipment design and well defined
and followed installation practices. If we accept the general definition of quality as "conformance
to requirements," we must also accept the premise that a condition of "quality" cannot exist where
requirements for such an end have not been evolved. In other words, you cannot have quality
unless you have requirements that have been followed. By understanding the requirements for a
safe, sound, and reliable equipment system, and by following good installation practices (as
associated with the personnel and equipment in question), you enhance the operational integrity
of the equipment and system.
Understanding the requirements for properly and safely installing equipment in various
environments in accordance with good grounding, isolating, and equipment protection practices is
fundamental for maintaining a system which is healthy for both the owner and customer.
Properly installed equipment is easier to maintain and operate and is more efficient and more
profitable to our customers. Following good installation practices minimizes injury, equipment
failure, and customer frustration that accompanies failing and poorly operating equipment (of
even the finest design).
Additionally, personnel who install a piece of equipment add to or subtract from a system's
reliability based on their level of technical ability. Their understanding of the equipment, site
conditions, and the requirements for a quality installation are essential to safety and success.
2.2
Protecting Equipment and Personnel
Installations must be performed in accordance with National Electrical Code Rules, electrical rules
set by local regulatory agencies, and – depending on the customer environment (gas, water, and
so on) – other national, state and local agencies. Additionally, installation at various customer sites
may be performed in conjunction with a "safety manager" or utility personnel with hazardous
Installation
Site Considerations for Equipment Installation, Grounding, and Wiring Manual
Protecting Equipment Systems
Protecting Equipment and Personnel
Other Site Safety Considerations
D301452X012
October 2019
3
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