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Noise

Because generators produce a certain level of______________ when and running, you will want to check with your building authorities to make sure the generator you choose is in compliance with local codes that might be applicable

Allows the safe connection or disconnects of different services of electricity to an electrical load.

Briefly explain the function of a transfer switch.

Emergency power source/ standby

A transfer switch shifts power from the normal utility source to the

A double-Pole, Double-throw switch (DPDT)

A typical transfer switch for residential application is

Two

Actual wiring of a typical standby generator consist of_____________ ungrounded conductors and one grounded "neutral" conductor.

disconnect

The NEC Requires that a______________ means be provided for standby power systems. in the case of portable Gen sets, this might be a simple as pulling out the plug on the extension cord that is plugged into the receptacle on the gen set and/or separately provided inside or outside of the home.

Turn off power

The basic safety rule when working with electricity is to

Listed

The best advice to follow is to always use________ equipment

115%

The conductors running from a permanently installed standby power generator to the transfer switch shall not be less than________ of the generator's. Output rating if over current protection of the conductors is not provided at the generator.

115%

The conductors that run from the standby generator to the transfer switch into the generator panel board that consist of the branch circuit overcurrent devices shall be size not less than__________ Percent of the generator's nameplate current rating

True

The generator for a standby power system is permanently installed on a concrete pad at a suitable location outside of the home

Portable generator, permanent generator, inverters

Describe in simple terms the three types of standby power systems.

3-pole double three

For home installations, transfer switches may be ____ or double-pole, double throw (DPDT), depending on how the type of system is being installed.

Watts

Generators for home use are generally rated in

It must be suitable for use as service equipment

How must a transfer switch connected to the line of the main service disconnect be listed?

standby power refers to the electrical energy that is used by devices even when they appear to be turned off.

How would you define the term standby power?

Portable cord

If a homeowner has a generator without GFCI protection a listed___________ that has GFCI protection may be used

Because the neutral - >Browning

Is it permitted to ground the neutral conductor of the standby generator to the metal enclosure of the generator, transfer switch, or critical (generator) panel board?

15

NEC 590.6 (A) (3) requires that all 125 V and 125/250 V, single phase, 15-, 20 -, and 30 ampere receptacles outlets that are a part of a___________ KW or smaller portable generator shall have listed ground fault circuit interrupter protection for personnel.

Ground - fault circuit interrupter protection for personnel

NEC 590.6 (C) requires that all 125 - volt and 125/250 - volt, Single Dash phase, 15 -, 20 -, and 30 - ampere receptacle outlets used on a construction site that are a part of a portable generator shall have listed

False

Standby power conductors and normal power conductors must not be run in the same raceway or enclosure.

A non-separately derived System

The technical NEC definition of a system in which the neutral conductor is not switched is referred to as

True

The term 'separately derived system' as defined in NEC article 100 means that the transfer equipment must break all system conductors from the generator, including the neutral

The transfer switch must isolate the utility source from the standby source

What must a transfer switch must do in such a way that there is no feedback from the generator to the utility System?

Breaks the connection to the normal power supply before it makes connection to the standby power supply.

When a transfer switch transfers to standby power, the electrical connection inside the switch

False

Where the normal power main service disconnecting means is located inside of the home, some electrical inspectors will require that a disconnect for the standby power from the generator be installed near the back door of the home.

Outside (not near window)

Where would the logical location be for running a portable generator?

Fridge, freezer, receptacle (120v)

Which loads in a house are homeowners typically concerned about continuing to have power in the event of a power outage?


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