With options of panelboards, switchboards, and switchgear, the electrical system designer has a robust palette of options to provide the required overcurrent protection for conductors throughout the facility.
Can a panelboard be located “you fill in the blank?” How often have you heard this question? Let’s take a look at some of the rules on panelboard placement contained in the National Electric Code (NEC).
Whole house surge protection devices have been available for several years. The devices are normally installed at the service entrance/service equipment location. They can be sacrificial from large surges, but can also take multiple hits from smaller surges and continue to protect the home and sensitive electronic components. There are various types and designs of surge protective devices (SPD).
To support the ongoing construction of shelter and to maintain existing shelter, we must keep the infrastructure working. We must keep the electricity, gas & water flowing. Grocery stores and fueling stations must be kept open. Inspection by the Building Department is involved at some point for all of these critical functions.
How do we as electrical professionals promote the need for this electrical working space so that panelboards remain readily accessible?
Several different wiring methods may be used to route the power from the PV array to the utilization equipment.
To play this game, you need a sharp eye, a quick mind, and a 2020 National Electrical Code book. The 2020 NEC can be accessed for free at nfpa.org/70.
In the U.S. and Canada, certification marks can be used on a number of products in a variety of ways. Intertek Certified products can be listed, recognized, classified, or have a limited production certification (LPC).
