Before you install these systems, you better understand OSHA requirements.So you want to install a custom-made piece of equipment. But you don't know if you should - or if it'...
Last month, we looked at how to calculate various lighting loads. This month, we'll look at how to calculate receptacle and appliance loads. Let's tackle receptacle loads first...
Industrial Calculations: Lighting Loads This is the first in a multi-part series that will cover industrial calculations for service and feeder conductors in an industrial facility...
The What and Where of Service Point Locations Different interpretations of the Code have led to confusion when determining the service point for a premises. Clearing up some definitions...
Grounded (Neutral) Conductors - Art. 200 Choose the best answer:1. If you run one grounded (neutral) conductor in the same raceway as two ungrounded (phase) conductors, the grounded...
Because every type of machine has unique requirements for wiring methods, operator safety depends on your understanding the differences between rules in the NEC and methods outlined...
Grounding - Art. 250 Choose the best answer: 1. What size copper bonding jumper (BJ) should you use to bond/ground the secondary of a separately derived system to building steel...