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The Lembo Electric journal

Advice worth reading before you call

Straight answers on the questions homeowners ask us most, written the way our electricians would explain them in your kitchen.

A new gray breaker panel with its door closed, mounted on a pine backboard in an unfinished basement, with a GFCI outlet in a metal box beside it.
Featured · Panels

Panel Upgrade Cost in New Hampshire

What an electrical panel or 200-amp service upgrade really costs in Southern NH and the Merrimack Valley, what drives the price, and how to tell when yours is due.

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More articles

Know before you buy

An old basement fuse panel with its cover off and a tangle of red and black wiring, beside a Gen/Tran manual generator transfer switch on a block wall.
Panels

Five Signs Your Home Needs a Panel Upgrade

Flickering lights, a warm panel, a fuse box, or a known problem-brand panel are all telling you something. Here is how to read the signs in a Southern NH or Merrimack Valley home.

7 min readRead
Rows of labeled Eaton circuit breakers, including GFCI breakers, feeding welder, air compressor, cord reel and lighting circuits in a gray panel with printed circuit labels.
Safety

Overload, Short, Ground Fault, or Arc Fault? Reading a Breaker Trip

How to tell whether an overload, a short, a ground fault, or an arc fault tripped your breaker, what GFCI and AFCI breakers each catch, and when to stop resetting and call.

7 min readRead
A Lembo electrician in a branded hoodie and cap inspects a vintage brass chain-hung light fixture with a bulb in an older home.
Safety

Old Wiring Warning Signs in NH Homes

Knob-and-tube, aluminum, and cloth-insulated wiring each carry their own risks. Here is what to watch for in an older Southern NH or Merrimack Valley home, and what to do first.

7 min readRead
An open breaker panel with neatly dressed wiring and every circuit hand-labeled on yellow tags, from back room lights and an air compressor to the boiler and GFCI circuits.
Safety

Is a Surge Protector Required by Code in NH and MA?

Why the National Electrical Code now requires a surge protective device on a home's service in NH and MA, what that device guards, and how panel-mounted and plug-in protection work together.

7 min readRead
A Generac standby generator on a new concrete pad beside a gray-sided shed, with conduit to a disconnect box on the shed wall and an open trench in front in late-summer light.
Generators

Choosing a Generac Installer in Southern NH

What certification actually means, how sizing works, why the transfer switch is the safety heart of the job, and how a proper install protects your home in Southern NH and the Merrimack Valley.

8 min readRead
A Reliance Controls generator power inlet box and a Taymac covered GFCI outlet, linked by gray PVC conduit to a junction box on an old red brick wall.
Generators

Standby vs Portable Generator for NH Homes

A plain comparison of cost, convenience, carbon-monoxide safety, and what actually stays on when a New Hampshire storm takes the power at 2 a.m.

7 min readRead
A white breaker panel beside a gray Generac automatic transfer switch marked emergency service disconnect, both mounted on a plywood backboard with cables coiled at the right.
Generators

How to Size a Standby Generator for a New Hampshire Home

Essential-circuits versus whole-house, what a New Hampshire winter really demands, and how a load calculation and a smart transfer switch keep you from overpaying.

7 min readRead
A ChargePoint Home Flex charger hardwired through flexible metal conduit on a concrete garage pillar, its black cable coiled around the unit and the installation guide tucked above it, storage bins and the garage door beside it.
EV Charging

Installing a Home EV Charger: What to Expect

From panel capacity to the right dedicated circuit, here is how a clean, code-correct Level 2 charger install goes in a New Hampshire or Massachusetts home.

7 min readRead
Two Level 2 EV chargers side by side: a black EVIDO charger with a green status light on a garage wall, its cable coiled around the unit on flexible metal conduit, and a ChargePoint Home Flex on a concrete garage pillar with its connector holstered and cable coiled, storage bins beside it.
EV Charging

Level 2 EV Charger Install, Done Right

How to get a fast, tidy Level 2 charge at home for any EV without overloading your service, why the fastest setups are hardwired, and how power sharing handles two cars.

7 min readRead
A gray breaker panel on a plywood backboard in a garage beside the overhead door track, with PVC conduit and insulated pipe above and flexible metal conduit feeding the side.
EV Charging

Does My Electrical Panel Qualify for an EV Charger?

A plain-English load calculation walkthrough, so you know before you buy whether your panel can carry a Level 2 charger or needs an upgrade first.

7 min readRead
A covered hot tub with steps on a gray paver patio, beside a chain-link fence and a covered grill, in low golden light among bare trees.
Installs

Hot Tub Electrical Hookup: The Safe Way

The dedicated 240-volt circuit, the GFCI disconnect five feet from the water, the equipotential bonding, and the permit that keeps a backyard soak safe and inspection-ready.

7 min readRead
A white Lembo Electric pickup with a ladder rack parked at the curb and the lettered Lembo Electric box van in the driveway of a gray house on a sunny fall day.
Hiring

How to Choose a Licensed Electrician in NH

What a license number tells you, how to verify one yourself in New Hampshire and Massachusetts, the questions that separate honest work from trouble, and why the permit matters.

7 min readRead
A gray meter socket with meter and conduit on gray vinyl siding beside white porch stairs, with blue and purple hydrangeas, potted mums and an autumn wreath on the red front door.
Rebates & Incentives

New Hampshire Electrical Rebates and Incentives Worth Knowing

The NHSaves programs, the state electrification rebates, what recent federal law changed about the tax credits, and where the electrical work fits, so you know what to ask before you start.

7 min readRead
A split-level house at night after a snowfall, with red, green, and white permanent lights along the eaves washing the white siding, black shutters, and double front doors lit by two sconces.
Installs

Govee Permanent Outdoor Lighting

Permanent Govee outdoor lighting, professionally installed by Lembo Electric on a track system: a finished look year-round with custom colors and effects for every holiday and occasion.

2 min readRead
Long icicles hanging from a black gutter in front of a dark-framed window, with snow on the roof edge above and cream siding behind.
Installs

Roof De-Icing Cables (Ice Dam Prevention)

How ice dams form on New England roofs, how roof de-icing cables keep water flowing off the edges, the signs your home needs them, and why professional installation matters.

3 min readRead
An orange plug-in outlet tester in an open gray weatherproof in-use box on a wood post, with gray PVC conduit running down the post and lawn and orange marker flags behind it.
Safety

GFCI Outlets: Where You Need Them & Why They Matter for Your Home

What a GFCI outlet does, where the electrical code requires one in your home, the signs yours need an upgrade, and why professional installation matters.

4 min readRead
A technician in a black beanie and a hoodie with the Lembo logo, seen from behind, kneeling on a new deck beside a gray disconnect box mounted on a railing post with conduit, with tools and boxes around him.
Hiring

DIY vs Hiring an Electrician: What's Safe and What's Not

Which electrical tasks are generally safe for a homeowner to do, which should always be left to a licensed electrician, and why professional work matters.

3 min readRead
A gray electrical panel mounted on a plywood backer in a basement, with a round Lembo Electric sticker on its door.
Safety

What Is a Whole-House Surge Protector?

What a whole-house surge protector is, where surges come from, why a power strip is not enough, the signs your home needs one, and why it is a job for a licensed electrician.

3 min readRead
A purple kid's bedroom with a playhouse loft bed under a dark roof, recessed ceiling lights glowing with warm orange halo rings, and a curtained window.
Installs

Govee Smart Recessed Lights Pro with Night Light

A closer look at Govee's smart recessed lights with a built-in night light ring: what they do, where they work best, and why professional installation matters.

3 min readRead
Wood barn rafters with two lit round LED fixtures, a white three-blade ceiling fan, and a basketball hoop at the lower right.
Installs

Customer Spotlight: Lighting Up a Garage Turned Basketball Court

A homeowner turned their garage into a full basketball court. We lit the court, added a fan, set up power for future heaters, and replaced the bathroom fans.

2 min readRead
An open breaker panel with the cover off on a plywood backboard, neatly dressed wires running to two long rows of white AFCI breakers and black breakers below them.
Safety

Why Does My Breaker Keep Tripping? A Homeowner's Guide

The five common reasons a breaker keeps tripping, what each one looks like and why it matters, safe troubleshooting steps, and when to call Lembo Electric.

4 min readRead

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