26111-20

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

An example location in a dwelling where a receptacle must have GFCI protection is a ______

Garage

The equipment grounding conductor is attached to the ___,

Green screw on a receptacle

The requirements for switch locations in dwelling units can be found in ______.

NEC article 210

The NEC article that covers equipment grounding and equipment grounding conductors is ___.

NEC article 220

The NEC article that lists the the requirements for installing service disconnects is___.

NEC article 230

The nec article that provides for the rules of demand factors is ____.

Nec Article 220

The NEC article that covers installation of hot tubs is _____.

Nef article 680

A residence has conductors installed under a 2" (50 mm) slab. According to nec section 230.6. These conductors are considered ______.

Outside the house, and bo disconnect is required at the meter base

In a panelboard, the black circuit conductor in lighting circuit is connected to a ____.

Overcurrent protectiob device

Dusk-to-Dawn lighting is typically controlled using a ___.

Photoeletric

List FMC may be used as an equipment grounding conductor if the circuit conductors are protected by overcurrent devices rated at ____.

20A or less

Applying the correct demand factors, the net general lighting load for the residence in the figure above is _____.

3,210VA

The NEC general lighting g load for a home in the figure provided is_______

3,600 VA

Ceiling fan boxes must be marked with the the man im um weight to be supported when they are rated to support more than ______.

35 lbs

When the voltage is limited to 300v to ground, the minimum clearance of the service drop conductors over residential driveway is reduced to ____.

12 feet

When sizing conductors used to serve Elyria heat, branch circuit conductive must be sized at ______.

125 percent of the heater nameplate rating

The square footage of living space that will be used to determine the lighting load of the home in the figure provided is _____.

1,200

The nec allows the load calculation for the grounded neutral conductor supplying electric ranges and dryers to have a demand factor of _____

70 percent

Which of the following must NEVER be used as a grounding electrode?

A metal underground gas piping system

A feeder can be used to supply ______.

A subpannel from the main service pannel

Power to the entire residence is shut off at the main service disconnect located ____.

At the pannel board

The conductors that extended from the panelboard to various outlets are called _____.

Branch circuits

A grounding electrode conductor must be made of ____.

Copper or aluminum

A GCFI sensor will trip when _____.

Current in the neutral load is less than the current in the hot load

In residential construction, conduit is MOST likely to be used where conductors are ____.

Embedded in concrete

Bends in type nm cable must not exceed_____.

Five times the cable diameter

Type nm cable is also known as _____.

Romex

The main bonding jumper is located at the ______.

Service disconnect

To control a device from three locations, a four-way switch must be used with _____

Two three way switches

A type of cable with corrugated sheath that has a maximum bend radius of seven times the cable diameter is _____.

Type Mc


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