panelboards.pdf

Basics of Panelboards

Siemens Technical Education Program - STEP

Siemens Energy & Automation, Inc.

Table of Contents

Introduction...............................................................................2

Distribution.Systems.................................................................4

Panelboards...............................................................................6

Overcurrent.Protective.Devices............................................... 2

Circuit.Breakers....................................................................... 5

Panelboard.Construction......................................................... 8

Panelboards.Main.Configurations............................................27

Individual.Overcurrent.Protection............................................3

Power.Supply.Systems............................................................34

Service.Entrance.Panelboards.................................................37

Panelboard.Grounding.............................................................40

Ground.Fault.Protection...........................................................44

Panelboard.Ratings..................................................................46

Siemens.P.Series.Panelboards................................................49

P,.P2,.and.P3.Panelboards.....................................................5

P4.and.P5.Panelboards...........................................................55

P.Series.Panelboard.Catalog.Numbers....................................58

Transient.Protection.System.(TPS)..........................................6

Accessories.............................................................................63

Information.Needed.to.Order.Panelboards..............................66

Additional.Types.of.Panels.and.Cabinets.................................67

Review.Answers.....................................................................69

Final.Exam...............................................................................70

quickSTEP.Online.Courses...................................................... 76

Introduction

Welcome.to.another.course.in.the.STEP.series,. S iemens.

T echnical. E ducation. P rogram,.designed.to.prepare.our.

distributors.to.sell.Siemens.Energy.&.Automation.products.

more.effectively..This.course.covers. Basics of Panelboards .

Upon.completion.of. Basics of Panelboards, .you.will.be.able.to:

•.

Explain.the.role.of.panelboards.in.a.power.distribution.

system

•.

Define.a.panelboard.according.to.the.National.Electrical.

Code®

•.

Distinguish.between.a.lighting.and.appliance.panelboard.

and.a.power.panelboard

•.

Explain.the.need.for.circuit.protection

•.

Distinguish.between.a.main.breaker.panelboard.and.a.

main.lug.only.panelboard

•.

Identify.the.most.common.power.supply.systems.for.

panelboards

•.

Explain.the.use.of.panelboards.as.service-entrance.

equipment

•.

Describe.the.proper.grounding.techniques.of.service.

entrance.and.downstream.panelboards

•.

Describe.the.five.Siemens.P.series.panelboard.models

•.

Identify.key.ratings.of.Siemens.P.series.panelboards

•.

Identify.Siemens.P.series.panelboard.options

This.knowledge.will.help.you.better.understand.customer.

applications..In.addition,.you.will.be.better.able.to.describe.

products.to.customers.and.determine.important.differences.

between.products..You.should.complete. Basics of Electricity .

and. Basics Circuit Breakers .before.attempting. Basics of

Panelboards ..An.understanding.of.many.of.the.concepts.

covered.in. Basics of Electricity .and. Basics of Circuit

Breakers .is.required.for. Basics of Panelboards .

If.you.are.an.employee.of.a.Siemens.Energy.&.Automation.

authorized.distributor,.fill.out.the.final.exam.tear-out.card.and.

mail.in.the.card..We.will.mail.you.a.certificate.of.completion.if.

you.score.a.passing.grade..Good.luck.with.your.efforts.

NFPA70®,.National.Electrical.Code®,.and.NEC®.are.registered.

trademarks.of.the.National.Fire.Protection.Association®,.

Quincy,.MA.0269..

Portions.of.the.National.Electrical.Code.are.reprinted.with.

permission.from.NFPA.70®-2005. National Electrical Code .

MA.0269..This.reprinted.material.is.not.the.complete.and.

official.position.of.the.National.Fire.Protection.Association.on.

the.referenced.subject.which.is.represented.by.the.standard.in.

its.entirety.

NEMA®.is.a.registered.trademark.and.service.mark.of.the.

National.Electrical.Manufacturers.Association,.Rosslyn,.VA.

22209.

Underwriters.Laboratories.Inc.®.and.UL®.are.registered.

trademarks.of.Underwriters.Laboratories.Inc.,.Northbrook,.IL.

60062-2096.

Other.trademarks.are.the.property.of.their.respective.owners.

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