Washington State Journeyman Study Guide with 100% correct answers.

Who can grant a variance for electrical work? the department or city that has inspection jurisdiction Residential buildings wired in Canada, then moved into Washington, must be inspected to ensure compliance with minimum safety requirements. Which is not one of these safety requirements: the dedicated bathroom receptacle circuit must be installed per current WAC code Lawfully installed existing electrical installations that do not comply with the provisions of this chapter and remain in compliance, with the code at the time of the installation, will be: permitted to be continued without change (i.e. without circuitry or occupancy change) Listed tamper-resistant receptacles are required at __________in designated building occupancies. all locations required by NEC 406. 12; psychiatric patient care facilities where accessible to patients; psychiatric patient care facilities where accessible to children five years of age and under A ______ is a specified laboratory label, symbol, or other identifying mark that indicates the manufacturer produced the product in compliance with appropriate standards or that the product has been tested for specific and uses. Certification mark Low voltage means NEC, Class 1 power limited circuits at volts maximum, Class 2 and Class 3 per NEC 725. 121A, and telecommunications circuits per 19.28 RCW. 30 For the purposes of RCW 19.28.261, setting a manufactured, mobile, or modular building is work on a________. new building "Supervision" for the purpose of supervising specialty electrical trainees means that an appropriately certified electrician is on the same job site as the trainee being supervised and where the job site is outdoors, within _____ of the trainee when within sight of each other. 1000 feet A breaker panel that has been accidentally submerged in water must be ____. replaced or reconditioned by the original manufacturer or by its approved representative A disconnecting means must be marked by ____. identification plate or panelboard schedule Where a recreational vehicle is supplied power from other than 125 volt, single phase, 15- or 20-ampere receptacles, the requirements of GFCI for the outside receptacle______. shall not apply to RV supply power receptacles In a garage or unfinished basement, a red receptacle, with a red cover plate, supplying a fire alarm system is not required to have GFCI protection. The receptacle must be identified for use by ____. and identification plate or engraved cover with letters at least 1/4 inch high A receptacle in a wall countertop space shall be permitted to serve as the receptacle for a peninsular countertop space where the spaces are contiguous, and the receptacle is located within ___ feet of the outside edge of the peninsular countertop. 8 feet Other than plan review projects, the installer must provide a one-line diagram showing the service and feeder details for the project before the initial inspection can be approved for all non-dwelling services or feeders that are larger than: 400 amperes or 600 volts When calculating lighting loads to size feeders, a building may use the currently adopted ____ when it has been constructed and designed to comply with the code, in lieu of NEC 220.12. Washington state energy code Where an outside overhead (aerial) span does not exceed 300 volts between conductors, and the roof area is guarded or isolated, a reduction in clearance to ____ shall be permitted. 3 feet The requirements for the locations of outside feeder disconnecting means, where more than one (up to six) exist, must be grouped and within ____ feet of each other. 10 The height for the center of the service meter on a Service Entrance, served by a utility, shall be ____. as required by the serving utility, not the WAC If service feeders have a lesser ampacity than the overcurrent protection, permitted by NEC 230.90 or NEC 310.15, or the equipment that they terminate in or on, an identification plate showing the ampacity of the conductors stating "Service conductor ampacity ____" must be installed on the service equipment. on other than one- or two-family dwelling services rated up to 400 amperes A Service Mast, attached to the outside of a structure, penetrating the roof, and connected by U-bolts to the wall, shall have the U-bolts size as minimum____. (Mast not over 26" high) 5/16 inch According to the WAC, if service conductors are smaller than the overcurrent protection, for other then one- and two- family dwellings, as permitted by NEC 230.90 or NEC 310.15, they must have a____. Identification plate showing the ampacity of the conductors If an overcurrent device is being replaced in a panelboard that is located over a set of steps in an existing electrical installation location the installation is ____. allowed to be made above the steps Except for mobile homes, a ____ grounding electrode must be installed and used at each new building or structure that is built upon a permanent concrete foundation. concrete encased For a rod, pipe, or plate electrode installation, if a ground resistance test is not performed to ensure a resistance to ground of_____, two or more electrodes as specified in NEC 250.52 must be installed a minimum of 6 feet apart. 25 ohms or less Unless listed otherwise by the manufacturer's instructions, bonding of natural gas piping shall be ____. done with 6 A.W.G copper Part A of the WAC codes follows the numbering in the NEC code book. Where can the requirements for wiring methods and materials be found? Article 300 In a suspended ceiling, power limited Class 2 and Class 3 cables must be secured according to NEC code ____ and must be secured to boxes in compliant with NEC 314.17. NEC 334. 30 Flexible cord and cord connections must comply with: pendant boxes must not contain knockouts; flexible cord must be supported at each end with approved cord grip or strain relief; must be wired with minimum #14 A.W.G copper Where Type NMC cable is installed in shallow chases in plaster, masonry, concrete, adobe, or similar material the cable must be protected against nails or screws with a steel plate ____ thick: 1/16 inch thick Tray Cable may be used in any location where nonmetallic sheathed cable(Type NM or NMC) if all the installation requirements in ____are met. NEC 336; NEC 334; WAC 334 According to the WAC, Electrical Metallic Tubing (EMT) may not be installed in:____. direct contact with the earth; in concrete at or below grade; In wet locations without an equipment grounding conductor According to WAC, flexible cord and cord connections, without a ground-type attachment plug, for electric discharge luminaires must comply with NEC 410.62 and: the flexible cord must be hard or extra hard usage The requirement of NEC 410.56E do not apply to ____. lighting branch circuit conductors Water heaters with a rated circuit load in excess of 3500 watts must be provided with branch circuit conductors no smaller than ____ copper. A.W.G# 10 Except as required by the National Electrical Code, motors are not required to be ____ ? Individually listed or field evaluated by a laboratory A flammable-liquid or oil-filled transformer installed outdoors can be mounted no closer than ____ feet from a combustible building surface. 8 feet A flammable-liquid or oil-filled transformer installed outdoors can be mounted no closer than ____ feet from a non-combustible building surface. 2 feet