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Article 700 – Emergency Generator

Article 701 - Standby Generator

Article 702 – Optional Generator

Scope

Legally required life safety

Legally required critical support (fire fighting, health hazards, etc)

Protect property & facilities

Equipment Approval

For Emergency

For Standby

For Intended Use

TESTING

Witness Testing

Yes – at install & periodically

Yes – at install

None

Periodic Testing

Yes

Yes

None

Battery Testing

Yes

Yes

None

Maintenance Records

Yes

Yes

None

Load Bank Testing

Yes

Yes

None

Capacity

All loads

All loads to operate at one time

All loads to operate at one time

Other Loads Allowed

Yes with load shedding

Yes with load shedding

2008 - Yes
with load shedding

Peak Shaving Allowed

Yes

Yes

Yes

TRANSFER SWITCH

Automatic

Yes

Yes

No

Manual

No

No

Yes

Equipment Approval

Emergency (UL1008)

Standby (UL1008)

Intended Use (UL1008)

Neutral to GND bonded

Yes

Yes

Yes

Means to Permit Bypass

Yes

No

No

Elect.Operated-Mech.

Yes

No

No

Other Loads

No

Yes
(with load shedding)

N/A

Max.Fault Current Capable

Yes

Yes

Yes

VOICE OR AUDIO SIGNALS

Derangement

Yes/Standard Alarm

Yes/Standard Alarm

Yes/Standard Alarm

Carrying Load

Yes (Displayed at ATS)

Yes (Displayed at ATS)

Yes (Displayed at ATS)

Battery Failed

Yes

Yes

Yes

Battery Charging Failed

Yes

Yes

No

Ground Fault Indication

Yes (480V & 1000A)

No

No

NFPA 110

Yes - Annunciator

Yes - Annunciator

No

At Service

Yes
(Type & Location)

Yes
(Type & Location)

Yes
(Type & Location)

Wiring kept independent

Yes

No

No

Fire protection (Art.700.9D)

Yes

No

No

Start timing

10 sec.

60 sec.

N/A

Retransfer delay

15 min.

setting

15 min.

setting

No settings necessary

Automatic Starting

Yes

Yes

No

On-site fuel requirements

2 hours
(NFPA110)

2 hours

None

Battery Charger

Yes

Yes

No

Ground Fault

Indication Only

No

No