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Single-line • Schematic • Panel • As-built

Electrical Drafting Services

Electrical design documentation — schematics, single-line diagrams, switchboard and control panel drawings — for contractors, panel builders and engineering teams.

SwitchboardsControl panelsCable schedulesBIM coordination

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 01C-05W-105MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVE
Circuit
—
Source
—
Load
—
Status
Hover

Illustrative diagram · hover a circuit

One connected system

From Electrical Design Information to Usable Documentation

Electrical contractors and panel builders often need drawing documentation produced or updated faster than in-house capacity allows — for a switchboard build, a control panel change, or as-built documentation that needs to match what was actually installed, usually against a commissioning date that doesn't move even when the drafting queue is backed up.

A panel build waiting on a drawing is a workshop standing idle, which is a cost that compounds quickly on a tight programme.

  1. 01Design input

  2. 02Schematic

  3. 03Single-line

  4. 04Panel layout

  5. 05Schedule

  6. 06Coordination

  7. 07As-built

  8. 08Commissioning

Existing drawings

Equipment schedules

Site information · known changes

Design input
Scope

Electrical Documentation Built for the People Who Use It

We produce electrical design documentation including single-line diagrams, schematics, switchboard drawings and control panel layouts, drafted to a clear, consistent standard that a panel shop or site electrician can work from directly without needing to call back to the design office for clarification.

This includes documenting existing installations (as-builts) and coordinating electrical drawings within a broader BIM model where a project needs electrical services coordinated against structural and architectural design.

  • DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLLLMM

    01

    Single-line diagrams

  • POWER CIRCUITCONTROL CIRCUITQ-01K-01X1MM-01LNS-01S-02K-01SEAL-IN K-01K-02H-01SCH-01 · REV B · ILLUSTRATIVE

    02

    Electrical schematics

  • BUSBARQ-01Q-02Q-03Q-04Q-05Q-06X1 · TERMINALSCABLE ENTRYPANEL A · LAYOUT-01 · ILLUSTRATIVE

    03

    Switchboard drawings

  • BUSBARQ-01K-01K-02X1 · TERMINALSCABLE ENTRYPANEL A · LAYOUT-01 · ILLUSTRATIVE

    04

    Control panel drawings

  • P-01P-02E-01DESIGNP-01P-02E-01*L7AS-BUILT

    05

    As-built documentation

  • STRUCTURALARCHITECTURALELECTRICAL

    06

    BIM coordination

Single-line

A Clear Electrical System at a Glance

We produce electrical design documentation including single-line diagrams, schematics, switchboard drawings and control panel layouts, drafted to a clear, consistent standard that a panel shop or site electrician can work from directly without needing to call back to the design office for clarification.

A single-line diagram shows how supply, protection, distribution and loads connect. Click a panel to light up everything downstream.

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 01C-05W-105MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVE
Panel
—
Source
—
Load
—
Status
Select

Hover to preview, click to pin. Choosing a panel highlights every downstream circuit; choosing a circuit traces its path back to the main supply. Illustrative values.

Signature view

One Electrical System → Multiple Connected Documents

Pick a circuit. The same reference appears in the single-line diagram, the schematic, the schedule, the panel layout and the as-built record — which is what documentation consistency looks like.

Single-line

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLLLMM

Schematic

POWER CIRCUITCONTROL CIRCUITQ-01K-01X1MM-01LNS-01S-02K-01SEAL-IN K-01K-02H-01SCH-01 · REV B · ILLUSTRATIVE

Schedule

Circuit
C-04
From
DB-02
To
LOAD 04
Cable
W-104
Conductor
As scheduled
Reference
SLD-01 / E-104

Panel

BUSBARQ-01K-01K-02X1 · TERMINALSCABLE ENTRYPANEL A · LAYOUT-01 · ILLUSTRATIVE

C-04 · W-104 → X1

As-built

C-04 · LOAD 04

Confirmed

Illustrative record

Select a circuit: the same reference appears in every document. Values are illustrative.

Schematics

From System Logic to Detailed Schematics

Yes, control panel schematics covering logic, control voltage circuits and I/O are drafted alongside power distribution schematics where a project needs both.

POWER CIRCUITCONTROL CIRCUITQ-01K-01X1MM-01LNS-01S-02K-01SEAL-IN K-01K-02H-01SCH-01 · REV B · ILLUSTRATIVE

Select a step to trace the path from control input to motor. Illustrative circuit.

Switchboards & control panels

Drawings That Translate Into Physical Panel Layouts

Switchboard and panel layout drawings are drafted with real component footprints and clearances in mind, not generic placeholder symbols, so the panel builder can use the drawing directly for layout rather than treating it as a rough schematic that still needs translating into a physical arrangement.

Hover a component on either side: the same reference lights up on the other.

Electrical schematic

POWER CIRCUITCONTROL CIRCUITQ-01K-01X1MM-01LNS-01S-02K-01SEAL-IN K-01K-02H-01SCH-01 · REV B · ILLUSTRATIVE

Physical panel layout

BUSBARQ-01K-01K-02X1 · TERMINALSCABLE ENTRYPANEL A · LAYOUT-01 · ILLUSTRATIVE
Panel component
Hover a part
Schematic ref
—
Location
—
Values
Illustrative
Schedules

Schedules That Stay Connected to the Drawings

Cable and conductor schedules are cross-checked against the schematics they're derived from, since a mismatch here is one of the more common — and more disruptive — errors in electrical documentation, often only discovered when a cable arrives on site sized for the wrong load.

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 01C-05W-105MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVE

Cable schedule

Illustrative

CircuitFromToCableConductorReference
C-01DB-01LOAD 01W-101As scheduledSLD-01 / E-101
C-02DB-01LOAD 02W-102As scheduledSLD-01 / E-102
C-03DB-02LOAD 03W-103As scheduledSLD-01 / E-103
C-04DB-02LOAD 04W-104As scheduledSLD-01 / E-104
C-05MCCMOTOR 01W-105As scheduledSLD-01 / E-105
C-06MCCMOTOR 02W-106As scheduledSLD-01 / E-106
As-built

Document What Was Actually Installed

As-built documentation work starts from whatever site records, markups or photographs exist, and we're explicit about which parts of the as-built are confirmed against physical inspection versus inferred from incomplete records, so the client knows exactly how much to trust each part of the drawing set.

Yes, reconciling an as-built cable schedule against physical labels installed on site is a standard part of our as-built documentation process, flagging any labels that don't match existing records.

P-01P-02E-01DESIGNP-01P-02E-01*L7AS-BUILTPANEL MOVEDCABLE ROUTECIRCUIT ADDEDEQUIPMENT CHANGED
As-builtDesign
  • Confirmed
  • Inferred
  • Requires verification
After handover

Electrical Documentation Has a Long Second Life

Electrical drawing sets are frequently the last documentation touched before a project closes out, and also the first thing referenced years later during a fault-finding exercise or a facility upgrade — that long, gap-filled second life is exactly why we treat clarity and honesty about confidence level as seriously as we treat technical correctness when producing this kind of documentation.

  1. 01

    Design

    DESIGN DOCUMENT

  2. 02

    Construction

    FOR CONSTRUCTION · MARKUPS

  3. 03

    Commissioning

    COMMISSIONING REFERENCE

  4. 04

    Operations

    MAINTENANCE REFERENCE

  5. 05

    Future upgrade

    UPGRADE REFERENCE

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVEDESIGN DOCUMENT
Commissioning

Schedules That Work During Commissioning

Component and cable schedules are structured so they remain useful as a live reference during commissioning, not just as a static record — clear cross-references between the schematic, the schedule and the physical labelling scheme mean a commissioning electrician can move between all three without translation effort.

Schematic

POWER CIRCUITCONTROL CIRCUITQ-01K-01X1MM-01LNS-01S-02K-01SEAL-IN K-01K-02H-01SCH-01 · REV B · ILLUSTRATIVE

Schedule

Circuit
C-04
From
DB-02
To
LOAD 04
Cable
W-104
Conductor
As scheduled
Reference
SLD-01 / E-104

Physical label

C-04DB-02 · W-104

Select a circuit: the same reference appears in every document. Values are illustrative.

Deliverables

What You Get

A connected document package: pick a sheet type to preview it.

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 01C-05W-105MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVE

Included

  • Single-line diagrams
Applications

Where Electrical Drafting Is Used

  • Switchboard and panel building

  • Industrial control systems

  • Commercial electrical installations

  • As-built documentation

  • Electrical services coordination in BIM projects

  • Facility electrical upgrade documentation

BIM

Electrical Coordination Inside the Wider Building Model

This includes documenting existing installations (as-builts) and coordinating electrical drawings within a broader BIM model where a project needs electrical services coordinated against structural and architectural design.

Yes — where a project is running in a shared BIM environment, electrical documentation can be coordinated for clash detection against other discipline models before installation.

BIM modelling & coordination →

STRUCTURALARCHITECTURALELECTRICALCLASH IDENTIFIEDCOORDINATIONUPDATED ROUTE

Conceptual route conflict and re-route; no clash statistics are implied.

Workflow

How Electrical Documentation Moves From Input to Issue

Existing drawings

Equipment schedules

Site information · known changes

INPUT
  1. 01

    Design input

    Existing drawings, equipment schedules or site information for as-built work, plus any known changes since the last documented revision.

  2. 02

    Scope & quote

    Drawing set and standard confirmed before starting, based on whether this is new design documentation or as-built capture.

  3. 03

    Drafting

    Schematics and layout drawings produced to a clear, buildable standard, with cable schedules cross-checked against the schematic as drafting proceeds.

  4. 04

    Review

    Drawings checked for consistency against equipment schedules and design intent before issue.

  5. 05

    Delivery & revisions

    Drawing set delivered with revision tracking, so a panel shop always knows which issue is current.

Revision control

Always Know Which Electrical Drawing Is Current

Drawing set delivered with revision tracking, so a panel shop always knows which issue is current.

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 01C-05W-105MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVE
RevDescriptionStatus
AFirst issue of the single-line diagram.Issued
BMotor circuit C-05 added at the MCC.Viewing
CCircuit C-04 modified; DB-02 updated.Issued
DCircuit C-06 removed.Current
Drawing viewer

One Document Set, One Place to Look

Switch between the documents of the same illustrative electrical system.

DB-01DISTRIBUTIONDB-02DISTRIBUTIONMCCMOTOR CONTROLLLOAD 01C-01W-101LLOAD 02C-02W-102LLOAD 03C-03W-103LLOAD 04C-04W-104MMOTOR 01C-05W-105MMOTOR 02C-06W-106MAIN INCOMINGMSBSLD-01 · REV B · ILLUSTRATIVEE-101 · REV B · FOR REVIEW
FAQs

Electrical Drafting FAQs

Yes, documenting an existing installation into accurate as-built drawings is a common part of this service, and we're explicit about which details are confirmed versus inferred from incomplete records.

Yes, this includes panel layout, wiring schematics and cable schedules, drafted with real component footprints in mind so the panel builder can work from the layout directly.

Yes — where a project is running in a shared BIM environment, electrical documentation can be coordinated for clash detection against other discipline models before installation.

Cable and conductor schedules are cross-checked against the schematic they're derived from as part of our review process, rather than compiled independently and reconciled later.

Electrical drawings are often the primary reference during a much later fault-finding exercise or facility upgrade, sometimes long after the original installation team has moved on — clear, honestly-flagged documentation at handover pays off precisely at that later, harder-to-predict moment.

Yes, we structure schematics, schedules and physical labelling references so a commissioning electrician can move between them without extra translation effort, which speeds up commissioning considerably compared to loosely cross-referenced documentation.

Yes, control panel schematics covering logic, control voltage circuits and I/O are drafted alongside power distribution schematics where a project needs both.

Yes, where a panel builder has an established internal drawing convention, we draft to match it so the output slots directly into their existing documentation library.

Yes, physical routing drawings can be produced alongside schematics where a project's installation team needs a clear routing reference, not just the electrical logic.

Yes, working within an existing drawing set to reflect a specific modification is a common and more efficient approach than a full redraft, provided the existing drawing set is a reasonably accurate starting point.

Yes, single-line diagrams for solar and other renewable generation and interconnection systems are covered under this service.

Electrical documentation is drafted to reflect whatever standard and hazardous-area classification the electrical engineer's design specifies, rather than assumed independently by the drafting process.

Yes, lighting layout, circuiting and switching documentation for commercial fit-outs is available, coordinated against the architectural reflected ceiling plan.

Yes, upgrade documentation reflecting new load calculations and switchboard capacity is a common request, usually starting with as-built verification of the existing switchboard.

Yes, earthing and lightning protection layout documentation can be produced where this is part of the electrical engineer's design scope.

Yes, MCC schematics and layout drawings for industrial control applications are covered under this service.

Yes, single-line diagrams and schematics for combined solar generation and battery storage systems are within scope.

Yes, cable schedules are structured so a change in load calculation can be reflected consistently across the schedule and schematic, rather than requiring a full manual reconciliation each time.

Where this falls within the electrical engineer's design scope, yes — schematics for fire alarm interconnection and emergency systems can be produced alongside general power and lighting documentation.

Yes, documentation for temporary construction power or generator-fed installations is a common request, particularly for larger construction sites with staged power requirements.

Yes, where a utility provider has specific drawing or application format requirements for a new connection, we draft to match them.

Yes, documenting sub-metering, tenancy distribution boards and shared services for a multi-tenancy facility is a common and slightly more involved documentation task we regularly take on.

Yes, standby generator integration, including changeover switching and interlocking logic, is shown on single-line diagrams where this is part of the electrical design.

Yes, a simplified summary diagram alongside the full technical schematic can be produced where a project needs to communicate the electrical design to a non-technical audience such as a building owner or tenant.

Yes, single-line diagrams and circuit documentation for EV charging installations, including load management considerations, are within scope as this becomes an increasingly common addition to both commercial and residential electrical designs.

Yes, panel schedule formatting is adapted to your team's preferred layout and level of detail where this is specified upfront.

Yes, documenting an interim or staged electrical configuration alongside the final design is a common requirement on projects that need partial power availability during construction.

Yes, schematics covering combined solar, battery and generator systems with the associated switching and control logic are within scope, following the electrical engineer's design intent.

Yes, reconciling an as-built cable schedule against physical labels installed on site is a standard part of our as-built documentation process, flagging any labels that don't match existing records.

Yes, including the higher-density power distribution and dedicated cooling-related electrical documentation this equipment type typically requires, based on the electrical engineer's design.

Start a project

Get a Quote for Electrical Drafting

Tell us what you need and our team can review the project requirements.