Q&A

Do you need to install an earth rod for an EV charge point?

This Q & A is one of the thousands posted in our Technical Expertise area and answered by our Voltimum...

Q&A

Do EV charge points need to be on dedicated circuits?

This Q & A is one of the thousands posted in our Technical Expertise area and answered by our Voltimum...

Q&A

I am an electrician; can I work on EV charge points?

I am an electrician; can I work on EV charge points? This is something I am often asked as the trend in...

Q&A

How do I check if electrical work has been Part P...

How do I check if electrical work carried out in my home has been Part P registered by the electrician, a home...

Q&A

Does fire alarm wiring have to be red?

Does fire alarm wiring have to be red, asks one of our readers? This Q & A is one of the thousands posted in...

Q&A

Does the communal area of a block of flats need to have a...

Our reader asks: does the communal area of a block of flats need to have a fire alarm system and panel? This Q...

Q&A

Fire alarm mains isolators

Should fire alarm mains isolators be double pole? This Q & A is one of the thousands posted in our Technical...

Q&A

Fire alarm panel mains supply

Should a fire alarm panel 230V mains supply be wired in fire rated cable or is it okay in non-fire rated cable...

Q&A

Safe isolation procedure and certification

A Voltimum user asks: Please advise on the proper isolation procedure, completion testing and certification...

Q&A

RCDs and three-phase sockets

A Voltimum user asks whether they need to provide protection for external three-phase socket outlets.

Q&A

Sizing surge protection devices

How to choose the right size of surge protection device for a particular application.

Q&A

Earthing braid of SY and CY cable

A Voltimum user asks: should the braiding of SY and CY cables be earthed?

Q&A

TT supply and RCD protection

A customer having a new 3-phase supply to his house where the earthing is TT provides questions on RCD...

Q&A

Earth conductor CSA and four-core cable

What should be the earth conductor cross-sectional assessment be running four-core?

Q&A

Solar PV and board connection

Should the connection be on a non-RCD part of the board or made through an independent distribution board,...

Q&A

RCD protection in flats

A refurbishment job in a second floor flat presents a few problems for a Voltimum user...

Q&A

Kitchen isolator position

Is it acceptable to mount a cooker switch in a cupboard, provided that the switch is readily accessible?

Q&A

Preparation of transformer specifications

A Voltimum user has a query of the most appropriate transformer to install and what questions to ask before...

Q&A

Coding for low insulation resistance

What code is appropriate for a pre-17th edition wired circuit with minimum accepted values of 0.5 Megaohms?

Q&A

RCD protection of external circuits

Requirements for failed lighting circuits on an EICR.

Q&A

Under LVD, should cables be CE marked?

A Voltimum user asks BASEC's Dr, Jeremy Hodge a question about CE marking and cable.

Q&A

TT systems and Amendment 3

A Voltimum user has a question regarding fitting an upstream 100mA RCD to a TT system using a metal consumer...

Q&A

Are there regulations relating to smoke alarms in a...

Colin asks our experts if there are any regulations related to emergency lighting and smoke alarms in...

Q&A

EICR: Is this a C2 or C3 coded observation?

John needed some help when carrying out an EICR.