Idaho Low Voltage Practice case studies
Idaho Low Voltage Practice · Put your knowledge to work in context.
The Idaho Low Voltage Practice exam is a study resource for candidates preparing for Idaho's limited electrical (low voltage) licensing pathway. In Idaho, electrical work is regulated at the state level by the Idaho Division of Occupational and Professional Licenses, and low voltage work such as communications, alarm, control and signaling circuits falls under a limited license rather than a full journeyman or master electrician license. The Idaho Low Voltage Practice case studies are 5 cases and about 3,325 words.
1Plenum-Rated Control Cable Shared With Power in an EMT Sleeve
You are the low-voltage lead on a tenant improvement in Boise. The mechanical contractor asks you to run a 24 VAC control cable from a rooftop VAV controller to a corridor thermostat.
680 words, about 3 min2CATV Installer Drives an Isolated Ground Rod at a Retail Service
A 400 A, 120/240 V single-phase service supplies a small retail building. The existing grounding electrode system has two 8-ft copper-clad ground rods 6 ft apart, a #2 AWG copper grounding electrode conductor to the metal water pipe, and #6 copper to the rods.
689 words, about 3 min312 V LED Power Supply With Excessive Voltage Drop and a Oversized Primary Breaker
A landscape contractor has installed a 300 W, 120 V input/12 V output LED power supply for a commercial patio. The supply is 10 ft from a 120 V panel and has a nameplate input current of 2.5 A; the nameplate says maximum branch-circuit protection 5 A.
702 words, about 4 min4Box Fill and Class 2 Separation in a 4-11/16 Square Junction Box
You are replacing a damaged junction box in a commercial office. The existing 4-11/16 in.
660 words, about 3 min5Low-Voltage License Scope, Permit, and an Open Splice Above the Ceiling
A low-voltage contractor licensed in Idaho is asked by a general contractor to finish the server room in a tenant improvement. The scope includes 40 Cat 6A drops and a new 120 V, 20 A dedicated receptacle circuit for a rack.
594 words, about 3 min