Older electric radiant ceiling: before drilling or demolition
Identify heating cables potentially embedded in plaster before drilling, lighting, partitions or demolition.
VERT / GREEN
Identify thermostat, circuits and heated zones without random opening.
JAUNE / YELLOW
Older systems used electric heating cables embedded in plaster; ceiling work should begin by identifying the system.
ROUGE / RED
Drilling/cutting a heated ceiling, electrical fault or damaged cable: de-energize and use a qualified electrician.
Quick triage
What the professional checks
The electrician checks circuits, insulation, protection, thermostat, continuity and compliant removal/abandonment under current code.
Official sources
Checked 2026-08-23
Tools related to this issue
Manage the project through closeout
V14
Systems to check before closing the work
V14 connects envelope, air, fire, structure, water and code instead of treating each project in isolation.
V15
Remaining system checks not to miss
V15 covers issues that can block a project, cause a loss or become expensive once concealed.
V16
Advanced diagnostics to cross-check
V16 connects water, soil, climate, safety, materials and seasonal use to existing projects.
V17
Specialized systems to cross-check
V17 completes gas, soil, water, fire, climate and structural interfaces.
V19
Edge systems to integrate into the project
V19 covers interfaces that become important when multiple home systems interact.
V26
Often-overlooked service interfaces
V26 connects systems that cross utility, plumbing, HVAC, envelope and metering boundaries.
V29
Household safety and compliance details
V29 connects smaller risks that often fall between finishes, appliances, plumbing and local code.