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Code Quiz: Definition of Hermetic Refrigerant Motor Compressor
2015-05-21 16:26:00| Electrical Construction & Maintenance
A hermetic refrigerant motor compressor consists of a compressor and motor, both of which must be enclosed in _____ ______ ______, with no external shaft or shaft seals, with the motor operating in the refrigerant. read more
Tags: code
motor
definition
quiz
Code Quiz: Definition of Voltage to Ground
2015-05-07 00:05:15| Electrical Construction & Maintenance
As per the definition in Art. 100 of the 2014 NEC, what is the voltage to ground value on a circuit in a 480V ungrounded system. read more
Tags: code
ground
definition
quiz
Code Quiz: Underground Systems Containing Mixed Wiring Types
2015-04-23 00:05:26| Electrical Construction & Maintenance
Per Sec. 820.47(A) of the 2014 NEC, when installing underground coaxial cables in a duct, pedestal, handhole enclosure, or manhole that contains electric light, power, or Class 1 or non-power-limited fire alarm circuit, conductors shall be in a section permanently separated from such conductors by means of a _________. read more
Tags: code
systems
types
mixed
Code Quiz: Metal Conduit Grounding Requirements for Coaxial Cables
2015-04-09 15:50:00| Electrical Construction & Maintenance
When installing communication wires and cables in cable routing assemblies, vertical runs of the cable routing assemblies shall be supported at intervals not to exceed _______, unless listed for other support intervals, and shall not have more than one joint between supports read more
Tags: code
requirements
metal
quiz
Code Quiz: Vertical Support Requirements for Cable Routing Assemblies
2015-03-26 14:50:00| Electrical Construction & Maintenance
When installing communication wires and cables in cable routing assemblies, vertical runs of the cable routing assemblies shall be supported at intervals not to exceed _______, unless listed for other support intervals, and shall not have more than one joint between supports read more
Tags: support
code
requirements
cable
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