Maryland · Property & Casualty Sample Interactive Mind Map
HO Section I — Major Exclusions
A visual breakdown of HO Section I — Major Exclusions — one of the concepts you can count on seeing on the exam.
The TESTivity Interactive Mind Mapping Graphic we picked for the Maryland Property & Casualty sample is HO Section I — Major Exclusions — and this is a concept you can count on seeing on your pre-licensing exam. Get the structure straight once and those questions turn into free points.
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Section I exclusions define what standard homeowners coverage was never designed to cover.
These apply regardless of any other contributing cause. Each represents either a risk too large for private insurance (flood, earthquake, war), a situation requiring different coverage (business, professional), or a conduct issue (neglect, intentional loss). Knowing the solution for each exclusion is as important as knowing the exclusion itself.
These apply regardless of any other contributing cause. Each represents either a risk too large for private insurance (flood, earthquake, war), a situation requiring different coverage (business, professional), or a conduct issue (neglect, intentional loss). Knowing the solution for each exclusion is as important as knowing the exclusion itself.
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Flood
External water intrusion — surface water, overflow, tidal water, storm surge, groundwater during flood events. Internal plumbing failures ARE covered. Most common gap in homeowners protection.
Solution: NFIP or private flood policy
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Sewer or Drain Backup
Water backing up through sewers or drains is excluded even when NOT caused by flooding. One of the most common water damage claims. Can be added back by endorsement at modest cost.
Solution: Sewer backup endorsement
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Earth Movement
Earthquake, landslide, earth sinking, subsidence, mudslide — all excluded. Absolute exclusion: applies even if earth movement is triggered by a covered cause like a gas explosion.
Solution: Earthquake endorsement or policy
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Power Failure
Loss caused by power failure originating off the residence premises is excluded. A utility company outage causing food spoilage is not covered under the standard policy.
On-premises power failure may be covered
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Neglect
Damage from the insured's failure to use reasonable means to protect property after a covered loss. Reinforces the post-loss duty to mitigate. Secondary damage from inaction is excluded.
Duty to mitigate after every covered loss
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War and Nuclear Hazard
All losses from war, warlike acts, nuclear hazard, or nuclear radiation are excluded. Catastrophic systemic risks too large for private insurance markets — standard across all lines.
No private insurance solution available
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Intentional Loss
Loss caused by or at the direction of the insured with intent. Personal to the insured — an innocent co-insured who did not participate may be able to recover their share in some states.
Innocent co-insured protection varies by state
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Business Activity
Business property at the residence: $2,500 sub-limit. Business property away: $500 sub-limit. Business liability excluded entirely from Coverage E. Home-based businesses need separate coverage.
Solution: Business endorsement or commercial policy
Solutions Cheat Sheet
Flood NFIP or private flood policy
Sewer Backup Endorsement (cheap add-on)
Earthquake Earthquake endorsement or policy
Business Endorsement or commercial policy
Power Failure Food spoilage endorsement
War / Nuclear No private solution
Water damage is the #1 source of property claims — and also the #1 source of coverage confusion.
The key distinction: where the water came from. External water (flood, groundwater, overflow) is excluded. Internal water (burst pipe, appliance leak) is covered. Sewer backup is its own exclusion with its own fix. The exam tests these distinctions constantly.
The key distinction: where the water came from. External water (flood, groundwater, overflow) is excluded. Internal water (burst pipe, appliance leak) is covered. Sewer backup is its own exclusion with its own fix. The exam tests these distinctions constantly.
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COVERED
Internal System Failures
Sudden & Accidental Discharge
Burst pipe, washing machine overflow, dishwasher leak, HVAC drain failure, water heater rupture. The damage must be sudden and accidental — not gradual seepage from a slow leak over months.
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EXCLUDED — Flood
External Water Intrusion
Flood Exclusion Covers:
Surface water, tidal water, storm surge, overflow of any body of water (river, lake, pond), and groundwater entering through window wells, foundation walls, or basement floors during a flood event.
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EXCLUDED — Separate
Sewer or Drain Backup
Distinct from Flood Exclusion
Water backing up through sewers or drains — even when the backup is NOT caused by flooding. A clogged municipal line causing basement flooding is sewer backup, not flood. Needs its own endorsement.
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The Flood Exclusion
External water intrusion — broadly defined, absolutely excluded
What Flood Means in the Policy
The flood exclusion is deliberately broad: surface water from any source; waves; tidal water; storm surge; overflow of any body of water (river, lake, pond, stream); and groundwater that enters from below — through window wells, foundation cracks, or basement floors — during a flood event.
The Critical Distinction
The flood exclusion targets external water intrusion. A burst pipe inside the house — entirely internal — is not flood. Sudden and accidental water discharge from a plumbing or HVAC system is a covered peril. The distinction is the source, not the amount of water.
- The solution is NFIP or private flood insurance. The National Flood Insurance Program (NFIP) is a federal program administered by FEMA that provides flood coverage in participating communities. Private flood insurers also offer this coverage.
- The "sewer backup caused by flooding" trap: When a sewer backs up because of a flood event, this is still treated as flood — not as a sewer backup endorsement claim. The endorsement covers backups from causes other than flooding.
- Most homeowners don't have flood coverage. Flood is excluded from every standard homeowners policy. Many homeowners are surprised to learn they have no flood protection — a major gap in protection for coastal and low-lying areas.
Exam angle — The Key DistinctionFlood = external water. Plumbing failure = internal water = covered. Sewer backup = its own exclusion with its own endorsement fix. All three are tested separately.
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Sewer or Drain Backup
A separate exclusion — one of the most common water damage claims
Why It Is Separate from Flood
Sewer and drain backup can occur even when there is no flooding at all — a clogged municipal sewer main, tree roots in the drain line, a city infrastructure failure. These are not "flood" events, but are still specifically excluded from the standard policy.
The Easy Fix
Unlike flood insurance (which requires a separate policy at significant cost), sewer backup coverage is typically available as an endorsement to the homeowners policy for a modest additional premium — often $50–$150 per year. It is one of the best-value add-ons available.
Exam angleSewer backup is excluded from the standard policy and is SEPARATE from the flood exclusion. Fix = endorsement (not a new policy). Most common water damage claim that homeowners overlook.
Three exclusions for risks that private insurance either cannot absorb or was never designed to cover.
Earth movement and war/nuclear are absolute exclusions with no private solution. Power failure is the narrowest — only off-premises failures are excluded. The earth movement exclusion's "absolute" nature is the most tested technical point here.
Earth movement and war/nuclear are absolute exclusions with no private solution. Power failure is the narrowest — only off-premises failures are excluded. The earth movement exclusion's "absolute" nature is the most tested technical point here.
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Earth Movement — The Absolute Exclusion
Earthquake, landslide, subsidence, mudslide — excluded even with a covered trigger
What Earth Movement Includes
Earthquake, landslide, earth sinking, subsidence (gradual settling or compaction of soil beneath a structure), mudslide, and mudflow. Any movement of the earth itself — whether sudden or gradual — is excluded from the standard homeowners policy.
The "Absolute" Nature — Critical Exam Point
This exclusion applies even if the earth movement is triggered by a covered cause. A gas explosion (normally covered) causes a landslide. The landslide damage is excluded — the earth movement exclusion overrides the fact that a covered peril started the chain.
- Fire following earthquake: This is a classic scenario — a fire breaks out after an earthquake. The direct earthquake damage (structural collapse, cracked foundation) is excluded. The fire damage may be covered because fire is a covered peril and the fire's trigger was the earth movement, not the fire itself causing earth movement.
- The solution is a separate earthquake endorsement or policy. Earthquake coverage can be added to a homeowners policy by endorsement in most states, or purchased as a separate stand-alone earthquake policy. It is particularly critical for residents of California, the Pacific Northwest, and New Madrid fault zone states.
- Subsidence vs. settling: Normal settling of a foundation over time is also not covered under the homeowners policy — it is excluded both as earth movement and as a wear/tear/deterioration issue.
Exam angleEarth movement exclusion is ABSOLUTE — applies even when triggered by a covered cause. Fire following earthquake may be covered; the direct quake damage is not. Fix = earthquake endorsement.
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War and Nuclear Hazard
All losses arising from war, warlike acts, undeclared war, civil war, insurrection, nuclear hazard, or nuclear radiation are excluded. These are systemic, potentially unlimited-exposure risks that would make it impossible to calculate actuarially sound premiums. Private insurance markets cannot absorb them.
There is no private insurance solution for war or nuclear hazard — these exclusions are absolute and universal across all lines of insurance.
There is no private insurance solution for war or nuclear hazard — these exclusions are absolute and universal across all lines of insurance.
Exam angleWar and nuclear are absolute exclusions — no endorsement, no separate policy. Standard across all insurance lines. Includes declared and undeclared war, civil war, and insurrection.
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Power Failure
Loss caused by power failure originating off the residence premises is excluded. The standard example: a utility company outage causes food in the refrigerator to spoil — not covered.
Important distinction: If the power failure originates on the residence premises (a blown fuse, a tripped breaker, an on-site transformer failure), resulting damage may be covered because the cause is on-premises.
Food spoilage endorsement can be added to cover refrigerated/frozen food losses from off-premises power failures for a small additional premium.
Important distinction: If the power failure originates on the residence premises (a blown fuse, a tripped breaker, an on-site transformer failure), resulting damage may be covered because the cause is on-premises.
Food spoilage endorsement can be added to cover refrigerated/frozen food losses from off-premises power failures for a small additional premium.
Exam angleOff-premises power failure = excluded. On-premises = potentially covered. Food spoilage from utility outage = excluded (but endorsable). The origin of the failure determines coverage.
Three conduct-based exclusions — what the insured does (or fails to do) determines coverage.
Neglect is about inaction after a loss. Intentional loss is about deliberate action before or during the loss. Business activity exclusions address the scope of what homeowners coverage was designed to protect. Each has nuances that the exam tests.
Neglect is about inaction after a loss. Intentional loss is about deliberate action before or during the loss. Business activity exclusions address the scope of what homeowners coverage was designed to protect. Each has nuances that the exam tests.
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Neglect Exclusion
Failure to protect property after an initial covered loss
What It Excludes
Damage resulting from the insured's failure to use all reasonable means to protect property from further loss after an initial covered loss has occurred. This is secondary damage that could have been prevented.
How It Works in Practice
A windstorm breaks a window (covered). Rain then enters for two weeks because the insured never boarded it up (the resulting interior rain damage is excluded by neglect). The initial window damage is covered — the neglect-caused rain damage is not.
Exam angleNeglect exclusion is the policy-side mirror of the insured's post-loss duty to mitigate. Original covered loss stays covered; preventable secondary damage from inaction is excluded.
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Intentional Loss
Personal to the insured — the innocent co-insured nuance is tested
What It Excludes
Loss resulting from an act committed by or at the direction of the insured with intent to cause a loss. Arson, deliberate vandalism of one's own property, intentional flooding — all excluded. No coverage and no defense obligation when the loss is intentional.
The Innocent Co-Insured Nuance
The intentional loss exclusion is personal to the insured who committed the act. An innocent co-insured — a spouse who had no knowledge of and did not participate in the intentional act — may be able to recover their share of the loss in many states. This protects the innocent party.
- Classic scenario: One spouse commits arson to collect insurance while the other spouse is unaware. Many states allow the innocent spouse to recover their interest in the property — typically half the loss. The guilty spouse's share is excluded; the innocent spouse's interest is protected.
- "At the direction of" language: The exclusion also applies when the insured doesn't personally commit the act but directs another person to do it — hiring someone to burn down the house is intentional loss even if the insured wasn't there.
Exam angleIntentional loss exclusion is PERSONAL. The guilty insured cannot recover. The innocent co-insured may recover their share. "At the direction of" is also covered by the exclusion.
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Business Activity Exclusions
Sub-limits on business property; liability excluded entirely
Business Property Sub-Limits (Coverage C)
Business property on the residence premises: $2,500 sub-limit under Coverage C, regardless of the total Coverage C limit. Business property away from the premises: $500 sub-limit. These are not exclusions but severe limitations.
Business Liability (Coverage E)
Business liability arising from the insured's business activities is completely excluded from Coverage E — not just limited. Even a small home-based business can generate significant liability exposure that requires separate commercial coverage.
Exam angleBusiness property: sub-limits ($2,500 on premises / $500 away) — not complete exclusion. Business liability: complete exclusion from Coverage E. Know both treatments and the endorsement solutions.
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Top Exam Tips — Section I Exclusions
1. Flood = external water. Plumbing failure = internal water = COVERED. The source determines coverage. This distinction appears on every exam.
2. Sewer backup is a SEPARATE exclusion from flood — needs its own endorsement, not a flood policy.
3. Earth movement exclusion is absolute — applies even when triggered by a covered cause (explosion, etc.). Fire following earthquake may still be covered.
4. Power failure: only OFF-premises is excluded. On-premises failures may be covered.
5. Intentional loss is personal to the guilty insured. The innocent co-insured may recover their share in many states.
6. Business property: sub-limits (not total exclusion). Business liability: total exclusion from Coverage E.
2. Sewer backup is a SEPARATE exclusion from flood — needs its own endorsement, not a flood policy.
3. Earth movement exclusion is absolute — applies even when triggered by a covered cause (explosion, etc.). Fire following earthquake may still be covered.
4. Power failure: only OFF-premises is excluded. On-premises failures may be covered.
5. Intentional loss is personal to the guilty insured. The innocent co-insured may recover their share in many states.
6. Business property: sub-limits (not total exclusion). Business liability: total exclusion from Coverage E.
Exam vocabulary
Key Terms to Know
Flood Exclusion
Excludes all external water intrusion — surface water, overflow, tidal, groundwater. Does NOT exclude internal plumbing or appliance failures (sudden and accidental discharge).
Sewer/Drain Backup
A separate exclusion from flood. Water backing up through sewers or drains, even without a flood event. One of the most common water damage claims. Fixed by endorsement.
Earth Movement
Absolute exclusion for earthquake, landslide, subsidence, mudslide. Applies even when triggered by a covered cause. Fixed by earthquake endorsement or separate policy.
Sudden & Accidental Discharge
The internal plumbing/appliance failure trigger that IS covered. Distinguishes a covered burst pipe from the excluded flood. Must be sudden and accidental — not slow, gradual seepage.
Neglect Exclusion
Excludes secondary damage from the insured's failure to protect property after an initial covered loss. The original covered damage remains covered; preventable secondary damage is excluded.
Intentional Loss
Excludes loss caused by or directed by the insured with intent. Personal exclusion — an innocent co-insured who did not participate may recover their share in many states.
Concurrent Causation
When a covered and excluded peril both contribute to a loss. For earth movement, the absolute exclusion overrides any covered contributing cause — the exclusion wins.
NFIP
National Flood Insurance Program — the federal program administered by FEMA that provides flood insurance in participating communities. The primary solution for the flood exclusion.
Subsidence
Gradual sinking or settling of the ground beneath a structure. A form of earth movement — excluded from the standard homeowners policy along with earthquake and landslide.
Business Property Sub-Limits
Coverage C limits for business property: $2,500 on premises, $500 away from premises. Not a complete exclusion — a limited sub-limit. Business liability under Coverage E is a complete exclusion.
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