Electrical service, mast and meter

Separate customer-owned work from utility-owned equipment before roofing, siding, panel, underground service or capacity changes.

VERT / GREEN

Photograph connection point, mast/socket, meter and clearances without touching conductors.

JAUNE / YELLOW

Roof/siding work or capacity changes can require coordination between electrician and Hydro-Québec.

ROUGE / RED

Damaged conductors, loose mast, corroded socket, arcing or work near conductors: professional/utility zone.

Guided triage

Roof/siding around mastCoordinate flashing, support and access before opening the envelope.Loose/rusted mast or socketDo not tighten energized equipment; use electrician/utility as applicable.Service capacity increaseCalculate load and start the connection request before buying major equipment.Current photo recordArchive location, overhead/underground type and prior work.

Tools / data

Service/meter photos
Panel/service capacity
Roof/siding scope

What the professional checks

Determine customer/utility responsibilities
Calculate load/capacity
Coordinate connection/commissioning

Official sources

Hydro-Québec — branchement résidentiel

Source check / vérification: 2026-08-22. Triage et planification seulement; les travaux réglementés restent aux professionnels requis.

Tools related to this issue

Whole-home action plan

Open →

Electrification and EV charging

Open →

V14

Systems to check before closing the work

V14 connects envelope, air, fire, structure, water and code instead of treating each project in isolation.

Renovation dependenciesHidden services before drillingCode versions

V15

Remaining system checks not to miss

V15 covers issues that can block a project, cause a loss or become expensive once concealed.

Before closing wallsOld electrical systemPost-renovation commissioningCodes + climate by province

V16

Advanced diagnostics to cross-check

V16 connects water, soil, climate, safety, materials and seasonal use to existing projects.

Roof snow and ice

V17

Specialized systems to cross-check

V17 completes gas, soil, water, fire, climate and structural interfaces.

Lightning and surge

V19

Edge systems to integrate into the project

V19 covers interfaces that become important when multiple home systems interact.

Smart load management

V29

Household safety and compliance details

V29 connects smaller risks that often fall between finishes, appliances, plumbing and local code.

Outdoor receptacle: GFCI and weather protection

V31

Commissioning and everyday safety

V31 helps verify systems after work and document the values that make a home safer to operate.

HRV/ERV: frost, condensate and balancing

V32

Post-disaster and legacy systems

V32 connects contamination, storm damage, legacy materials and recommissioning before rebuilding.

Knob-and-tube wiring in an older homeElectrical systems after flooding: re-energization

V33

Invisible constraints before work

V33 checks electrical, legal, environmental and climate constraints that can block a project before demolition starts.

Aluminum branch-circuit wiringOld fuse panels and overfusingGFCI/AFCI and modern protection during renovation