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A simple to use cable calculator to calculate the minimum required cable size and voltage drop for various types of cables, installation methods, correction factors and protective devices based on BS 7671.

This cable size calculator will calculate cable size, R1+R2, voltage drop %, tabulated current (It) and Zs in two simple steps, a great tool for electrical surveys, EICR reports or designing new circuits.

Optional, enter your Circuit Reference and Circuit Description along with your Client Name and Client Address for the generated PDF file when saving or printing your cable calculation results.

Features:
- Print, Save, Email & Share your cable calculation results PDF file (from the print function)
- Automated verification checks and helpful calculation hints
- Supports manufacturer specific BS EN 60947-2 (Max Zs) MCCB's & ACB's
- Supports RCD's in TT Earthing Systems
- Enter your own voltage drop value (%) to use for the calculations or use the default 3% or 5% options

This cable calculator takes into account and applies the following factors for it's cable calculation formula:
- Voltage drop
- Correction factors
- Maximum disconnection time
- Length of circuit
- Installation method
- Cable type
- Tabulated Current
- Maximum Zs Values
- Calculate circuit Zs
- Calculate R1+R2
- Adjusted required minimum required cable ratings

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if buried / in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print the cable calculation results

How to share or email the Cable Calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

A simple to use cable calculator to calculate the minimum required cable size and voltage drop for various types of cables, installation methods, correction factors and protective devices based on BS 7671.

This cable size calculator will calculate cable size, R1+R2, voltage drop %, tabulated current (It) and Zs in two simple steps, a great tool for electrical surveys, EICR reports or designing new circuits.

Optional, enter your Circuit Reference and Circuit Description along with your Client Name and Client Address for the generated PDF file when saving or printing your cable calculation results.

Features:
- Print, Save, Email & Share your cable calculation results PDF file (from the print function)
- Automated verification checks and helpful calculation hints
- Supports manufacturer specific BS EN 60947-2 (Max Zs) MCCB's & ACB's
- Supports RCD's in TT Earthing Systems
- Enter your own voltage drop value (%) to use for the calculations or use the default 3% or 5% options

This cable calculator takes into account and applies the following factors for it's cable calculation formula:
- Voltage drop
- Correction factors
- Maximum disconnection time
- Length of circuit
- Installation method
- Cable type
- Tabulated Current
- Maximum Zs Values
- Calculate circuit Zs
- Calculate R1+R2
- Adjusted required minimum required cable ratings

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if buried / in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print the cable calculation results

How to share or email the Cable Calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

An easy to use cable calculator to calculate cable sizes for various types of cables, installation methods, correction factors and protective devices.

Calculates cable size, R1+R2, voltage drop and expected Zs in two simple steps.

Carry out instant cable size calculation on the go, great for electrical surveys, EICR reports or designing new circuits.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2 (Max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

How to share or email the Cable Calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate the cable size for final circuits, distribution circuits and sub-main supplies.
You can also use the Cable Calc App to check and verify EXISTING installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected.

This cable calculator also takes into account and applies the following factors for it's cable calculation formula:
- Voltage drop
- Correction factors
- Maximum disconnection time
- Length of circuit
- Installation method
- Cable type
- Tabulated Current
- Maximum Zs Values
- Calculate circuit Zs
- Calculate R1+R2
- Adjusted required minimum required cable ratings

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if buried / in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print the cable calculation results

You may also like our 'Pro Certs' Electrical Certification App for iPad.

An easy to use cable calculator to calculate cable sizes for various types of cables, installation methods, correction factors and protective devices.

Calculates cable size, R1+R2, voltage drop and expected Zs in two simple steps.

Carry out instant cable size calculation on the go, great for electrical surveys, EICR reports or designing new circuits.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2 (Max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

How to share or email the Cable Calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate the cable size for final circuits, distribution circuits and sub-main supplies.
You can also use the Cable Calc App to check and verify EXISTING installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected.

This cable calculator also takes into account and applies the following factors for it's cable calculation formula:
- Voltage drop
- Correction factors
- Maximum disconnection time
- Length of circuit
- Installation method
- Cable type
- Tabulated Current
- Maximum Zs Values
- Calculate circuit Zs
- Calculate R1+R2
- Adjusted required minimum required cable ratings

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if buried / in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print the cable calculation results

You may also like our 'Pro Certs' Electrical Certification App for iPad.

An easy to use cable calculator to calculate the required cable sizes for various cables types, installation methods, correction factors and protective devices to BS 7671 18th edition version.

Calculates cable size, r1+r2, volt drop %, and determines what the expected Zs value will be.

Carry out instant cable calculations, great for electrical surveys, condition reports, circuit design and cable sizing on the go.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2
(max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

This cable calculator also checks the volt drop %, max Zs, R1+R2 and applies the relevant correction factors from an easy to use selection list of options.

How to share or email the cable calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies.

This cable sizing app can also be used to check the electrical cable ratings for different electrical installation methods to ensure existing cables or wires are compliant on existing installations for an Electrical Installation Condition Report (EICR) including volt drop and Max Zs.

You can also use cable calc to check existing installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected and installed correctly.

This cable calculator also takes into account and applies the following factors for it's cable size calculation formula:
+ Volt drop
+ Correction factors
+ Maximum disconnection times
+ Length of circuit
+ Various installation methods
+ Various cable types
+ Tabulated Current
+ Maximum Zs Values
+ Calculates Zs
+ Calculates r1+r2
+ Calculates volt drop %
+ Adjusted required minimum required cable ratings
+ Calculates cable size

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if cable is buried
or in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses (rewire-able)

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print cable calculation results

A handy cable size calculator for iPhone and iPad.

You may also like our new 'Pro Certs' app for iPad, produce professional electrical installation certificates and condition reports on the go.

Check out our collection of Electrical Apps and Electrical Certification Software for iOS: https://www.procertssoftware.com/apps

An easy to use cable calculator to calculate the required cable sizes for various cables types, installation methods, correction factors and protective devices to BS 7671 18th edition version.

Calculates cable size, r1+r2, volt drop %, and determines what the expected Zs value will be.

Carry out instant cable calculations, great for electrical surveys, condition reports, circuit design and cable sizing on the go.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2
(max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

This cable calculator also checks the volt drop %, max Zs, R1+R2 and applies the relevant correction factors from an easy to use selection list of options.

How to share or email the cable calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies.

This cable sizing app can also be used to check the electrical cable ratings for different electrical installation methods to ensure existing cables or wires are compliant on existing installations for an Electrical Installation Condition Report (EICR) including volt drop and Max Zs.

You can also use cable calc to check existing installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected and installed correctly.

This cable calculator also takes into account and applies the following factors for it's cable size calculation formula:
+ Volt drop
+ Correction factors
+ Maximum disconnection times
+ Length of circuit
+ Various installation methods
+ Various cable types
+ Tabulated Current
+ Maximum Zs Values
+ Calculates Zs
+ Calculates r1+r2
+ Calculates volt drop %
+ Adjusted required minimum required cable ratings
+ Calculates cable size

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if cable is buried
or in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses (rewire-able)

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print cable calculation results

A handy cable size calculator for iPhone and iPad.

You may also like our new 'Pro Certs' app for iPad, produce professional electrical installation certificates and condition reports on the go.

Check out our collection of Electrical Apps and Electrical Certification Software for iOS: https://www.procertssoftware.com/apps

An easy to use cable calculator to calculate the required cable sizes for various cables types, installation methods, correction factors and protective devices to BS 7671 18th edition version.

Calculates cable size, r1+r2, volt drop %, and determines what the expected Zs value will be.

Carry out instant cable calculations, great for electrical surveys, condition reports, circuit design and cable sizing on the go.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2
(max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

This cable calculator also checks the volt drop %, max Zs, R1+R2 and applies the relevant correction factors from an easy to use selection list of options.

How to share or email the cable calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies.

This cable sizing app can also be used to check the electrical cable ratings for different electrical installation methods to ensure existing cables or wires are compliant on existing installations for an Electrical Installation Condition Report (EICR) including volt drop and Max Zs.

You can also use cable calc to check existing installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected and installed correctly.

This cable calculator also takes into account and applies the following factors for it's cable size calculation formula:
+ Volt drop
+ Correction factors
+ Maximum disconnection times
+ Length of circuit
+ Various installation methods
+ Various cable types
+ Tabulated Current
+ Maximum Zs Values
+ Calculates Zs
+ Calculates r1+r2
+ Calculates volt drop %
+ Adjusted required minimum required cable ratings
+ Calculates cable size

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if cable is buried
or in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses (rewire-able)

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print cable calculation results

A handy cable size calculator for iPhone and iPad.

You may also like our new 'Pro Certs' app for iPad, produce professional electrical installation certificates and condition reports on the go.

Check out our collection of Electrical Apps and Electrical Certification Software for iOS: https://www.procertssoftware.com/apps

An easy to use cable calculator to calculate the required cable sizes for various cables types, installation methods, correction factors and protective devices to BS 7671 18th edition version.

Calculates cable size, r1+r2, volt drop %, and determines what the expected Zs value will be.

Carry out on the spot instant cable calculations, great for electrical surveys, condition reports, circuit design and cable sizing on the go.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2
(max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

This cable calculator also checks the volt drop %, max Zs, R1+R2 and applies the relevant correction factors from an easy to use selection list of options.

How to share or email the cable calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies.

This cable sizing app can also be used to check the electrical cable ratings for different electrical installation methods to ensure existing cables or wires are compliant on existing installations for an Electrical Installation Condition Report (EICR) including volt drop and Max Zs.

You can also use cable calc to check existing installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected and installed correctly.

This cable calculator also takes into account and applies the following factors for it's cable size calculation formula:
+ Volt drop
+ Correction factors
+ Maximum disconnection times
+ Length of circuit
+ Various installation methods
+ Various cable types
+ Tabulated Current
+ Maximum Zs Values
+ Calculates Zs
+ Calculates r1+r2
+ Calculates volt drop %
+ Adjusted required minimum required cable ratings
+ Calculates cable size

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if cable is buried
or in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses (rewire-able)

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print cable calculation results

A handy cable size calculator for iPhone and iPad.

You may also like our new 'Pro Certs' app for iPad, produce professional electrical installation certificates and condition reports on the go.

Check out our collection of Electrical Apps and Electrical Certification Software for iOS: https://www.procertssoftware.com/apps

An easy to use cable calculator to calculate the required cable sizes for various cables types, installation methods, correction factors and protective devices to BS 7671 18th edition version.

Calculates cable size, r1+r2, volt drop %, and determines what the expected Zs value will be.

Carry out on the spot instant cable calculations, great for electrical surveys, condition reports, circuit design and cable sizing on the go.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2
(max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

This cable calculator also checks the volt drop %, max Zs, R1+R2 and applies the relevant correction factors from an easy to use selection list of options.

How to share or email the cable calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies.

This cable sizing app can also be used to check the electrical cable ratings for different electrical installation methods to ensure existing cables or wires are compliant on existing installations for an Electrical Installation Condition Report (EICR) including volt drop and Max Zs.

You can also use cable calc to check existing installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected and installed correctly.

This cable calculator also takes into account and applies the following factors for it's cable size calculation formula:
+ Volt drop
+ Correction factors
+ Maximum disconnection times
+ Length of circuit
+ Various installation methods
+ Various cable types
+ Tabulated Current
+ Maximum Zs Values
+ Calculates Zs
+ Calculates r1+r2
+ Calculates volt drop %
+ Adjusted required minimum required cable ratings
+ Calculates cable size

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if cable is buried
or in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses (rewire-able)

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print cable calculation results

A handy cable size calculator for iPhone and iPad.

You may also like our new 'Pro Certs' app for iPad, produce professional electrical installation certificates and condition reports on the go.

Support:- support@pro-certs.com

Check out our collection of Electrical Apps and Electrical Certification Software for iOS @ https://www.procertssoftware.com/apps

Cable size calculator to calculate the required cable sizes for various cables types, installation methods, correction factors and protective devices, BS7671 18th edition version.

Calculates cable size, r1+r2, volt drop %, and determines what the expected Zs value will be.

Carry out on the spot instant cable calculations, great for electrical surveys, condition reports, circuit design and cable sizing on the go.

Features:
- Print, Save, Email & Share the cable calculation results PDF (from the print function)
- Verification checks and helpful hints
- Support for manufacturer specific BS EN 60947-2
(max Zs) MCCB's & ACB's
- Support for RCD's in TT Earthing Systems

This cable calculator also checks the volt drop %, max Zs, R1+R2 and applies the relevant correction factors from an easy to use selection list of options.

How to share or email the cable calc results PDF file:
1) On the Results screen tap "Print".
2) Expand the displayed image (preview window is then displayed).
4) Tap the share icon to show your device's share and save options.

Calculate circuit cable sizes for final circuits, distribution circuits and sub main electrical supplies.

This cable sizing app can also be used to check the electrical cable ratings for different electrical installation methods to ensure existing cables or wires are compliant on existing installations for an Electrical Installation Condition Report (EICR) including volt drop and Max Zs.

You can also use cable calc to check existing installed cable sizes and circuits to check for compliance and to confirm the correct cable size for the type of cable, installation method and length of circuit has been selected and installed correctly.

This cable calculator also takes into account and applies the following factors for it's cable size calculation formula:
+ Volt drop
+ Correction factors
+ Maximum disconnection times
+ Length of circuit
+ Various installation methods
+ Various cable types
+ Tabulated Current
+ Maximum Zs Values
+ Calculates Zs
+ Calculates r1+r2
+ Calculates volt drop %
+ Adjusted required minimum required cable ratings
+ Calculates cable size

Correction Factors:
Cg - Grouping
Ca - Ambient air temperature
Ca - Ambient ground temperature (if cable is buried
or in a duct)
Ci - Thermal insulation
Cf - BS 3036 semi-enclosed fuses (rewire-able)

How to use:
1) STEP 1 - Enter your cable calculation design parameters
2) STEP 2 - Select an installation method & apply any relevant correction factors
3) Tap "Calculate" to calculate the cable size
4) Print cable calculation results

A handy cable size calculator for iPhone and iPad.

You may also like our new 'Pro Certs' app for iPad, produce professional electrical installation certificates and condition reports on the go.

Check out our collection of electrical apps for iOS https://www.procertssoftware.com/apps