Table of Contents
Foreword
1.Scope
2.SwitchboardReceiving,HandlingandStorage
2.1ReceivingtheSwitchboard
2.2HandlingtheSwitchboard
2.3StoringtheSwitchboard
3.Installation
3.1Location
3.2FoundationPreparation
3.3GeneralInstallationInstructions
3.4InstallingVerticalSections
3.5JoiningSwitchboardSections
3.6AnchoringtheSwitchboard
3.7InstallingCables
3.8InstallingInterconnectionbetweenSwitchboardSections
3.9GroundBusSpliceConnections
3.10GroundingandBonding
3.11BuswayConnections
3.12ConduitArea
3.13CablePulling
3.14CableTerminations
4.Pre-EnergizingCheckoutProcedure
4.1General
4.2InsulationTest
4.3CurrentTransformers
4.4CircuitBreakersandFusibleSwitches
4.5Ground-FaultProtection
4.6Interconnection
4.7PowerFusesandControlPowerDisconnect
4.8Clean-up
4.9Close-up
5.EnergizingtheSwitchboard
6.MaintainingtheSwitchboard
6.1GeneralInspection
6.2BusBarJoints
6.3FieldTestingMolded-CaseCircuitBreakers
6.4FieldTestingBoltedPressureSwitches
6.5FieldTestingFusibleSwitches
6.6FuseReplacement
6.7Ground-FaultProtectionSystems
7.AdverseCircumstances
7.1InspectionFollowingaShort-CircuitorGround-Fault
Condition
7.2ReplacingaSwitchboardSoakedbyorSubmerged
UnderWater
7.3InspectingandRe-EnergizingaSwitchboardSprayed
orSplashedwithCleanWater
8.TorqueRequirements
9.SwitchboardInsulationResistanceChart
10.OperationsandMaintenanceDocuments
AppendixA:ReferenceStandards Abstract
Describes installation procedures for deadfront distribution switchboards rated 600 volts or less. Also covers periodic routine maintenance procedures for switchboards and special procedures to be used after adverse circumstances, such as a short circuit, ground-fault, or immersion in water.